type of material – steel, galvanized, stainless, aluminum, or fiberglass. com Maximum panel width dimensions are measured from outside to outside of bearing bars. Electro-Polished. Our serrated stair treads are designed specifically to offer protection against slips in areas. 11-W-2 Stainless Steel Light-Duty Bar Grating 100-11 Serrated (1" Depth) 11-W-2 Carbon Steel Light-Duty Bar Grating 100-11 Smooth (1" Depth) Bar grating is ideal for industrial steel grating flooring and metal grates. Expanded Metal. 3820 [email protected] which is applicable for welding, both sides are edged with flat bars of which the height is same with the bearing flat bars and the thickness is 5mm. The grating is available in Plain or Serrated surfaces, with cross bar spacing at 2" or 4" on center and bearing bar spacing ranging from 19/16" to 7/16" on center. Carbon Steel. Rp5. Perimeter gap grating is used with drains in medium-to-heavy traffic areas and can be forklift rated. You can also choose from a wide variety of attractive finishes to achieve the ideal look for your work environment including Galvanized Steel, Bare Steel and Mill Finished Caustic Cleaned. TiteWeld ® bar grating satisfies ADA comfort requirements for wheel chairs and walking pedestrians. 10 ft. Bar Grating. Specialty clips manufactured from type 316 stainless steel are available for all fiberglass products. 2019. Cold Rolled 1018;. Whether you need tube, bar stock, sheet, plate or structural metals, Metal Supermarkets Seattle (Kent) has you covered. These products are manufactured with bearing bars spaced either 1-1/8″ or 3/4″ apart and the standard rivet spacing is 7 inches on center. When developing H-10, H-15 or H-20 steel grating products, a great starting point is bar spacing. Call or email us for a quote today. Any flooring application that would require exceptional drainage, additional light, or remarkable air flow can still achieve the noteworthy performance of SLIPNOT’s unique traction maximizing. Manufactured from ASTM B221, 6063 or 6061 alloy, aluminum grating is available in four distinct product types. With an unmatched strength-to-weight ratio, these products are ideal for both industrial and architectural applications. TiteWeld ® steel bar grating is Direct Metals ® answer to applications requiring bearing bars placed close together. Stainless Steel. foot warehouse for instant access to thousands of metal types, shapes, grades and thicknesses, including a wide variety of hot rolled shapes and sheets as well as cold rolled sheet and bar, aluminum. 04 Lbs. Harga Clamp Grating C/W BOLT AND NUT SS304 stainless steel KLEM. Metal Grip Strut™ Ladder Rung 1-Diamond (2. We also supply a. 125" x 36". NAAMM Headquarters 800 Roosevelt Rd. The sheet can then be cut to size and flattened. Applications: Walkways, flooring, ramps, bridge. Shop Bar Grating online at Brown-Campbell. G-Clip model XSSGG is a 316 stainless steel bar grating clip used to fasten bar. Beam. 15W4 is. The aluminum steel grating features lightweight and outstanding corrosion. Different material. Expanded Metal Grating is manufactured by slitting and stretching a single sheet of metal to maximize use of the raw material while producing a strong, rigid, and open sheet. Stainless Steel Bar Grating. Beam. 10. 1. AMICO is the largest manufacturer of carbon steel, Stainless Steel and Aluminum grating in North America. BAR GRATING STANDARD-DUTY WELDED BEARING BARS (1/8" & 3/16" THICK) & MAXIMUM PANEL WIDTHS CARBON, GALVANIZED & STAINLESS STEEL CHART uperior Service, Q uality and P erformance. Steel Plates, Shapes, and Bars: ASTM A 36/A 36M. Manufactured by assembling a series of equally spaced metal bars to connecting cross. /sf load/ defl clear span 19-w-4 19-w-2 12" 18" 24" 30" 36" 42" 48" 54" 60" 66" 72" 78" 84" 90" 96" 102" 108" 114. 35 and 40mm are recommended. Allowable stress, F = 18,000 psi Industrial Bar Grating is dipped in black primer for temporary protection and not for cosmetic applicatons as is. W19-4. Rectangular Bar, GW-100, 19-W-4 Spacing, Stainless Steel, Type 304, 1" x 3/16" Rectangular Bar, Serrated Surface, 77% Open Area. Fits Grating Height: 25mm, 30mm, 38mm & 50 mm. Galvanized Metal. Need it cut to size, welded, or a certain finish?15W2 Heavy Duty Welded Steel Bar Grating is primarily used for areas with traffic of H-10, H-20, automobiles, and forklift traffic. 120'', 144''. Material - MS , 316 and Fiber glass. Carbon Steel . 15W2 Heavy Duty Grating is available in bearing bar sizes ranging from 1” to 6” depths and thicknesses of 1/4", 5/16”, and 3/8”. Rectangular Bar, GW-125, 19-W-4 Spacing, Stainless Steel, Type 304L, 1-1/4". Stainless expanded metal grating; Carbon steel expanded metal grating; Galvanized expanded metal grating; Aluminum expanded metal grating . The support bars are made of 3/8” square stock, as well. 50 – $ 198. Finish: Mill or Polished. com | 800. Please try our Heavy-Duty Bar Grating or RivDexteel® Bridge Deck. Our goal is to help all customers obtain the exact product they need for their unique applications. Woven Wire Mesh; Welded Wire Mesh; Market Grade; Space Cloth; Refinery Grade; Galvanized Hardware Cloth;. The high percentage of open area makes bar grating practically maintenance-free, and all products are fully recyclable. 1. Essential current technical data concerning heavy duty bar gratings of structural carbon steel and stainless steel. Common material types include Aluminum, Carbon Steel, Powder Coated Carbon. Bar Grating. We’ve been servicing residential and business customers in the area since 1997 – we know metal! Our store is conveniently located with easy access between I5 and Hwy 167 near the crossroads of West Valley Hwy and 212th. 125" and L/400) Riveted Heavy Duty Gratings. This process creates grating that can support loads in airfields, industrial plants, truck and bus. Through hard work, determination and humble beginnings, Ohio Gratings. McNICHOLS® carries Standard-Duty Welded Bar Grating, Carbon Steel, Hot Rolled - Powder Coated Gray, GW 100A Smooth, Welded Construction, 1" x 1/8" Bearing Bars, 1-3/16" on Center, Regular Cross Bars 4" on Center, 19W4 Spacing. We have a rush service and are available. Vast inventory from 19 U. Stainless Steel. The grating is resting between stone pavers and handicap pavers on a cast in place trench. Delivered Anywhere! ™ How May We Help You? 1-859-745-2650. Available Anchoring and Fastener Solutions for Bar Grating: Saddle Clip: Special bent-clip type bar grating fastener for removable bar grating panels; Available in aluminum, stainless steel, and galvanized steel; Clips are supplied by request and don’t come automatically with grating orderStainless steel 316/304 gratings with pressed clamp, Plates, bolt and nut. Buy bar grating Trench Grates and Drain Covers online at America's Metal Superstore. Type G Hold Down Clamps: stainless steel clips designed to attach grating to any structural member flanges, 3/4” or smaller in thickness. 5mm, thickness 0. Many of these bar grating. H-10, H-15 & H-20 Grating. Call us for a quote today. MBG 533 - Welding Specification for Fabrication of Steel, Aluminum and Stainless Steel Bar Grating. +86-15052255397. 1. McNICHOLS ® Bar Grating brings safety, strength, durability, and character when installed in either industrial or architectural applications. Thats The Hole Story ®! 800. 1 Sungei Kadut Crescent Singapore 728684 +65 6747 0200 +65 6747 9877; sales@bedecsteelgrate. Diamond Tread. 4 HEAVY DUTY METAL BAR GRATING ANSI/NAAMM MBG 532-19. 800-472-8464. Some of the applications of expanded metal U-Edging include: Handrail expanded metal infills. Secure grating to your support structure. Pressure-locked bar grating offers a clean, architectural look because of its design. Various meshes in 24″ and 36″ widths and 20′ and 24′ lengths. Product Details Feedback. 101. Easily fabricated to any configuration. 35、38、40、50、60、80、90mm, of which 25、30、. 4” 19W2. 7 lb/sq ft. Grating Pacific is Your Preferred Source for Industrial and Architectural Perforated Metals. SS316 gratings - 30 × 60. Other. Stainless steels can compete with higher cost engineering metals and alloys whilst offering a range of corrosion resisting properties suitable for a wide range of applications. Bar Grating is a rugged, high-performance, low-maintenance, and slip-resistant product capable of handling pedestrian or vehicular loads. Complete inventories of common hole sizes and spacings available for immediate shipment. Pay Online; Request a Quote (800)-324-8417. Cold Rolled 1018; Hot Rolled. Aluminum. One-piece plank construction is also available. 1250" Thick), Checkered Plate 90° Angle Nosing, Unequal Legs (1-1/4" Leg x 1-3/4" Leg), Slip-Resistant Surface. S. Bearing bar pitches may be 15 to 20、25、30、33、. Grating Manufacturers in UAE Get in touch with us Grating Manufacturers & Suppliers in UAE At Emerald, we Provide Grating Products like Galvanized Steel, Stainless Steel, Bar Type Grating, Wire Grating, Grating plates, M. GRATEX® SS STAINLESS STEEL GRATING is offered with non-standard bearer bar depths and pitches to suit abnormal load conditions. Catalog Library PDFs. 500. Heavy Duty Floor Drain Grates. Metal Supermarkets Wichita is owned and operated by ICT Metal LLC. Stainless Steel. The type and mark of Press-locked Steel Grating. To specify welded steel grating, first specify the TYPE of grating from the table below. Bar Grating is a rugged, high-performance, low-maintenance, and slip-resistant product capable of handling pedestrian or vehicular loads. 3003. Yanxin Road,Wuxi,Jiangsu,China. Weldforged ® grating panels from IKG provide durable, strong, and lightweight open flooring across tens of millions of square feet in multiple industrial and commercial applications. Cross Rods 4in. McNICHOLS® carries a large selection of Heavy Duty Welded Bar Grating. Stair treads in each of these metal grating types are available with plain or serrated surfaces. However, coated or galvanized steel, stainless steel or aluminum may be an option. O. We have No Minimum Orders, We Cut to. Inventory is typically "mill finish". 19W4/19W2 Carbon Heavy Duty Bar Grating 1-3/16" Center to Center of Bearing Bars. org. Harga Grating Stainless Steel 304 size 1mx 3m. 3820 [email protected]® carries a diverse inventory of Bar Grating options. Marco Specialty Steel offers stainless steel bar grating products manufactured from alloy types 304, 304L, T304, 316, or 316L. Stainless steel bar Aluminum gratingHow to Specify. T4 which is applicable for bolting, both sides are edged with 65×5 flat bars and are punched. Heavy Duty Metal Bar Grating Manual. Shop Stainless Steel Bar Grating at Brown-Campbell. Weldforged ® grating panels from IKG provide durable, strong,. We inventory thousands of panels of grating and stair treads, ready for immediate shipment. Call or email us for a quote today. com. Metal Bar Grating Stair Treads. We stock stainless steel bar grating in both smooth and serrated surfaces. 6401310122, 6401310132, 6401310134. A series of bearing bars are welded, swage-locked, or press-locked with perpendicular crossbars to. Along with the material grade, another major consideration when choosing the appropriate bar grating for your application is the construction method. Type M Hold Down Clamps: 316 stainless steel clips used to secure panels to support using two adjacent grating bars for a secure fit. Carbon steel grating is the most economical type with galvanized and painted surface treatment. WELDED BAR GRATING. 14# Carbon and 3. 2194. Bearing Bar Height. Our impressive stock inventory includes carbon steel, stainless steel and aluminum press-locked bar grating with spacings ranging from 7/16″ to 1-3/16″. 04 Lbs. Standard Size: 10’ SWD x 2’, 2’-6”, 3’ LWD or Marco can cut to your size specifications with our fast and accurate fabrication. 1 APPLICATIONS This Standard cover s fillet welding requirement s as they apply to bar grating made of steel, aluminum and stainless steel. Each of our nine service centers stocks an extensive inventory offering Same Day. Select Size 12. 1. 496. There are many materials to choose from, like aluminum,. Welded stainless steel grating can. Previous Next Grating SLIPNOT slip resistant grating is an excellent selection for non-slip flooring applications on mezzanines, platforms, catwalks, or other wet or potentially oily environments. Email: sales@siskgratings. Pressed steel grating is created by cold pressing the cross bars to the bearing bars under a load pressure of 500 tons. Select the primary material type including Aluminum, Carbon Steel, Galvanized Steel, or Stainless Steel. Typical uses include stair tread in industrial areas and parking. Typical uses include catwalks, platforms, stairways, entranceways, and trench grating. 35 and 40mm are recommended. We carry a wide range of metal products including hot-rolled steel, cold-rolled steel, aluminum, stainless steel and more. Lg. As a result, Clinched Grating facilitates the prevention of corrosion and. Grip Strut Ladder Rungs Highly serrated diamond matrix provides maximum slip-resistance. Load Table; Panel Width Chart; Span Table; Download / Print High Resolution PDF. We provide more information on. Optional 2″ wide nosings are. 21 mm. Perf-O Grip is a one-piece metal plank grating manufactured from a single sheet with formed side channels. Add To Cart. Houston, Texas 77275. Type “G” stainless steel hold clips designed to attach grating to any structural member flange, 3/4″ or smaller in. Gratings YOU HAVE SELECTED: PRODUCT LINE: Gratings McNICHOLS® Gratings Choices in the McNICHOLS® Grating lineup include bar-styles, formed planks, expanded types, and Gratings that are constructed via a molded or pultruded manufacturing process. Steel Bar Grating. Stainless Steel, Type 304, 1/8" Thick (. 11-DT-4 Carbon Steel Dove Tail Bar Gratings; 15-DT-4 Carbon Steel Dove Tail Bar Gratings; 19-DT-4 Carbon Steel Dove Tail Bar Gratings; CARBON STEEL RIVETED: R SERIES. Stainless Steel. 3. 125" x 36". Type 19-W-4 Type 19-W-2 Type 15-W-4 Type 15-W-2; 3/4 x 1/8: 4: 4. 3 FASTENERS . Standard Expanded Metal. Stainless Steel Bar Grating. Specifications (PDF) Get Quote. The high percentage of open area makes bar grating practically maintenance-free, and all products are fully recyclable. Select bar spacing from Table of Spacings. Aluminum. McNICHOLS® offers Standard-Duty Bar Grating, Welded, Stair Tread, GW-125, 19-W-4 Spacing, Carbon Steel, Hot Rolled, Mill Finish, 1-1/4" Height x 3/16" Bearing Bars, 1-3/16" on Center, Serrated, Bearing Bars Parallel to Length, Cross Bars 4" on Center, Checkered Plate. We also supply a. G-Clip Model WSSGG is a 316-stainless steel grating fastener used to fasten bar grating to metal or other structural shapes, where the structural flange is in a horizontal plane. The recommended minimum weld pattern to the right also indicates the minimum fastener spacing for pedestrian applications. Over the years, we have received numerous requests from customers expressing a desire for us to bring back bar grating. Call or email us for a quote today. 6061; 6063. Principal Design Features: The strength of this alloy is a combination of good strength and corrosion resistance in temperatures up to 2100 F. 237. Custom made orders. 8 mm. Standard: Serrated:Marco Specialty Steel: An Experienced Metal Fabricator You Can Trust. For technical drawings and 3-D. Bar Size Nominal Weight (psf)** Recommended Max. That’s why at Ohio Gratings Inc. or austenitic stainless steel. Thats The Hole Story ®! 800. Need help? Call (800) 321-4314. Channel. Steel bar grating can be made of different materials including carbon steel, aluminum steel and stainless steel. Welded. Alro Steel - Tulsa, Oklahoma, offers stainless steel, tool steel, carbon steel, alloys, aluminum, brass, bronze, copper, cast iron, and much more. Center-to-Center Wd. Because of its light weight and simple installation, as compared with other surfaces, it permits resurfacing. PER SQ. (ANSI/NAAMM MBG 532-19)bar grating gw & gw-2 series | 19-w-4 & 19-w-2 (1-3/16" on center) spacing | rectangular bar standard-duty welded carbon & galvanized steel load table sales@mcnichols. STEEL, STAINLESS STEEL AND ALUMINUM BAR GRATING SECTION 1 GENERAL PROVISIONS 1. ) for 1/4. No-Ledge™ Galvanized Driveway Drain Grate, Stock Size - 1" x 24" x 24". Stock mat – nominal 3’0″ x 24’0″. Ferrograte SS Gratings are manufactured by using SS 304, 304L, 316, 316L Grade materials. Our precision saws provide fast and tight tolerance cuts. 020". Steel bar grating has different fabrications, such as welded, swage-locked, press-locked and rivets connections. Call us at (800) 200-3047 for more information and a bar grating quote. Reliability. In stock and ready to ship. (Fasteners available in Self tapping, or Bolts with nuts and washers included). We manufacture, fabricate and distribute a wide breadth of products and offer a full line of engineering and fabrication services. Alro Steel - Milwaukee, Wisconsin, offers stainless steel, tool steel, carbon steel, alloys, aluminum, brass, bronze, copper, cast iron, and much more. View Stainless Steel Bar Grating Products. is available in welded and press locked as well as in many bearing bar sizes: Stainless steel bar grating is mainly. is a leading fabricator of grating, light duty grating, heavy duty grating, aluminum grating, and fiberglass grating. Typical uses include stair tread in industrial areas and parking lots, walkways, and drainage trench covers. These grates are strong enough to handle a high volume of traffic, even from vehicles. Stainless Steel and Aluminum Bar Grating Manual and MBG-532 Heavy Duty Metal Bar. Specially modified top assembly is designed to span a total of 3-1/16" with good rigidity and fits flat across the top of the grating surface. For Cut-To-Size or if you are looking for an item not listed, please fill out our Fast Quote Form or call 800-472-8464. /Each: Product Form Each: Each:Bar Grating: 304, Stainless Steel, Smooth, 1. We provide all customers including Businesses, Municipalities, Governments with fast, convenient, and reliable access to all metal types, shapes, sizes and grades. PER SQ. Flat Bar. Stainless sleet surface options with excellent self-cleaning characteristics. Aluminum bar grating is lightweight, corrosion resistant, and fully recyclable. 60C5999999 McNICHOLS® offers Grating Fastener, Stainless Steel/Type 304, Each, Type CB Saddle 1-3/16" Centers. Welded bar grating is the most common type of bar grating. Steel grating products are usually shipped with one of three standard finishes, bare steel, painted with one coat of the manufacturer’s red or black paint, or hot dip galvanized after fabrication in accordance with ASTM Standard A-123. $ 115. Powder Coated Carbon Steel, Galvanized Steel, and Stainless Steel. Safety Grating is manufactured by cold stamping and forming carbon steel, aluminum, or stainless steel into a one piece, modular plank, or sheet with distinct walking surfaces. Vietnam, USA, and European countries. Attach grating to steel members with horizontal edges in selected corrosive environments. Aluminum products are commonly supplied as mill finished, but are also. Bar Grating. Welded steel grating is joined at the intersection of the bearing bars and cross bars. Surface. In stock and ready to ship. Due to discolorization that occurs during. 15W2. 15W4 Heavy Duty Welded Steel Bar Grating is primarily used for areas with traffic of H-10, H-20, automobiles, and forklift traffic. Also Available in Stainless Steel NOTE: Spans and loads to the right of the heavy line exceed a defl ection of 1/4" for uniform loads of 100#/sq. Open area of approximately 35% allow fluids, ice, and mud to easily flow through the grating. Mon - Fri: 7:30 am -. Contact Us: (888) 936-9201. Locking is performed hydraulically by pressing together two near-perfectly designed slotted bars. AMICO provides grating and fabricated assemblies worldwide. GI-RO technique offers different constructions of grating, each with its advantages. Buy Stainless Bar Grating Online at MetalsDepot - America's Metal Superstore!. Accurate Screen and Grating manufactures and distributes a variety of Bar. Call us today (713)-649-5310. McNICHOLS® Bar Grating, Standard-Duty Welded, Rectangular Bar, GW-125, 19-W-4 Spacing, Stainless Steel, Type 304L, Mill Finish, 1-1/4" Height x 3/16" Thick Rectangular Bearing Bars, Spaced 1-3/16" on Center with 1" Clear Space Between Bearing Bars, Smooth Surface, Bearing Bars Run Parallel to Length of Panel, Cross Bars Spaced 4". 60MI601099 McNICHOLS® stocks Grating Fastener, Stainless Steel/Type 316, Each, Type MI-6010/15 Saddle Clip With Hardware. We provide a full solution of 19-w-4 bar grating, press locked grating, heavy duty grating , steel stair treads ,plank gratings, safety grating, trench cover,etc. Stock Number: NLTG3161-2424-G. Contact Us: (800) 491-7999. Raised Disc. Need Project Assistance? 1-859-745-7708. Characteristics. Alro Steel offers a variety of stainless steel shapes and sizing, including bars, plates, sheets,. Slip-resistant surfaces. In addition to being one of the most aesthetically appealing floor gratings with its clean uniform lines, the interlocking design provides excellent lateral stability and. Brown-Campbell Company. For technical drawings and 3-D models, click on. Metal Bar Gratings: stainless steel grating, aluminum grating, floor grating, manhole, trench drain grates, stairs treads, catwalks, clips, 7SG4, 8SG4, 11W2, 11W4. This product is made of aluminum, stainless steel, and low-carbon steel. Stainless Steel. Open steel grating is one of the most commonly used steel grating, also called metal open bar grating. Perforated Metal, Expanded. Available in both smooth and serrated surfaces. Beam. Q2: In the regular-duty and Aluminum grating calculators, why do I not see vehicular loads? A2: These types of grating are not recommended for vehicular loads. As the most frequently used material in the metal bar grating industry, carbon steel can withstand significant force without warping, buckling or bending. 19SW4/19SW2; 19SP4/19SP2; 19SS4/19SS2; 15SW4/15SW2;. Note that the material for a bar grate is typically selected for corrosion resistance and weight. When it comes to Stainless Steel Stainless Steel Grating, you can count on Grainger. No-Ledge™ Galvanized Driveway Drain Grate, Stock Size - 1" x 24" x 24". Paint 20 - Specification of Zinc-Rich Coating. Bar Grating. McNICHOLS® carries Standard-Duty Welded Bar Grating, Galvanized Steel, Hot Dipped, GW 100 Smooth, Welded Construction, 1" x 3/16" Bearing Bars, 1-3/16" on Center, Regular Cross Bars 4" on Center, 19W4 Spacing. Cus-Type of grating – welded, pressure-locked, swage-locked, riveted. Mini Mesh is only available in 38mm deep bars * Aperture is 12x 12mm Standard Panel Sizes: Mild Steel Grating The standard range of panel sizes are; Code Panel Sizes nominal 12 1000 x 5800 span 13 1200 x 5800 span *sourced from WACarbon Steel Press-Locked Bar Grating 19-W-4 Steel Welded Grating 1. Bond and repair nosing and stair treads with this thick, two-part epoxy. /sf load/96'', 120''. 24188R125-C4. com Office: (713) 688-8588Bar grating mezzanines are a great solution when you need extra space but don’t have more square footage in your facility. slot opening. com (888)499-8494 PRODUCT . Type “M” 316 stainless steel hold down clips used to secure panels to a support using two adjacent grating bars for a secure fit. Stainless steel gratings are mostly used in the food processing applications, shipboard use, Engine decks, or highly corrosive environments such as marine & offshore, Oil & gas, sewage treatment plants and Dry-docks, etc. With the flexibility to create different spacings and utilize a variety of metals, press-locked bar gratings find their ideal application in. Our. We maintain some stock inventory of ornamental perforated metal. PVF. 2. Stainless Bar Grating. Used in many architectural, commercial, and industrial applications, Grating Pacific’s durable, safe, and slip resistant stair treads are available in many styles. these operations can cause iron contamination which, if not removed, will cause rusting and discoloration of. Expanded metal grating is made by creating slits in a metal sheet and then stretching (expanding) the sheet, resulting in a diamond pattern. 00. Available in welded, press-locked, and swaged. Cold Rolled 1018;. Marco Specialty Steel has in-stock custom industrial steel, metal & FRP products. Available in Carbon Steel, Powder Coated Carbon Steel, Galvanized Steel and Stainless Steel, Welded Treads come in many heights, thicknesses and spacings and are available directly from inventory. G-Clip model YSSGG is a 316 stainless steel grating fastener used to fasten 1-1/2″ square mesh fiberglass grating to structural shapes where the structural flange is in a horizontal plane. StainlessDrains. Box 750518. com Office: (713) 688-8588 Bar grating mezzanines are a great solution when you need extra space but don’t have more square footage in your facility. Mon - Fri: 8:00 AM - 5:00 PM. (mm). Some patterns available in smaller pieces. Flat Bar. FT. Material Finish: Mill Finish, Pickled Finish, Electro-polished etc. It is available in primarily 304, but also 316 grades of. Stainless Steel. 08" Bearing Bars, 1-7/8" on Center, Regular Cross Bars 1. McNICHOLS ® Standard-Duty Welded Bar Grating Stair Treads consist of rectangular-shaped bearing bars (smooth or serrated), Carrier Plates and Nosing. In stock at our 19 locations nationwide.