In all the years of doing commercial work, I never performed, saw, or heard of self drilling screws into heavy building steel, only studs. Set a 4-foot level against … Mark the wall with a … (1), October I've had very poor experiences anchoring into steel studs using toggles. Solar Attachment Clamps For Metal Roofs, Roof Walkways, Work Platforms, and Crossover Platform Systems. Copyright © 2020 Unistrut. The procedure is relatively simple, and it demonstrates the versatility of Unistrut framing channel. Metal building materials were once found mainly in industrial settings, but residential construction has caught on to the benefits of metal. (1), May Select a common, wood-boring drill bit that is large enough to allow the spring-loaded wings of the bolts to fit through the wall and stud, but small enough to keep the bolt head from slipping through as well. Steel channel can also be used to create rails to secure the load, or as studs to create the walls and roof of an enclosed trailer, such as a box trailer or a travel trailer. Using metal studs as a framing material in your home is challenging, especially if you are using standard lumber framing materials. TEST RESULTS Plywood-and-Metal Connections Self-drilling, self-tapping screws are commonly used to attach plywood up to 1-1/8 in. 1/4-inch-diameter by 2 1/2-inch-long toggle bolts. Despite that fact, Unistrut hardware is an integral part of the core functionality of the Unistrut system – especially spring nuts and channel nuts. There are even more standard sizes of steel studs than there are wooden studs.The standard metal stud sizes range anywhere from 2 ½” to 14” and above. S-5! (3), March Set a 4-foot level against the mark horizontally and trace the edge of the level with a pencil. Solid an electronic stud finder lightly across the wall until you see a light or hear a sound that indicates a metal stud behind the drywall. Choose bolts that are at least 2-1/2 inches long; the diameter should be the largest that will fit through the screw holes in the brackets. Use a hammer drill fitted with a carbide tipped masonry bit. A 3/16-inch toggle bolt needs a 1/2-inch drill bit. (5), April (1), June (5), December (3), August I have used mostly 1/4 x 20 x 1-2 1/2" studs, but they do a great job. If you are using 1/8-inch diameter toggle bolts, you need a 3/8-inch drill bit. If the bolts are 1/4 inch, you need a 5/8-inch drill bit. The rounded nut ends make it easy to insert into the channel. Unistrut is a registered trademark or trademark of Unistrut Corporation and/or its affiliates in the United States and/or other countries. Step 4 If no stud is available, use the power drill with a correctly sized drill bit to drill pilot holes for each toggle bolt at the connection point markings. (2), May (3), October (4), December With today's emphasis on building green to save the environment, metal studs are a wise choice as a framing. Align a bracket with the screw holes in the wall and push the bolts and wings through the holes. tened with wood and sheet metal screws. Using the power drill fitted with a Phillips head drill bit, fasten the screws through the pilot holes in the stucco and into the wall stud--until the fixture is secure. Self-tapping fasteners usually have a 14-diameter hex- or hex-washer head, and feature steel-backed, bonded rubber washers. Slide the level over and continue tracing to extend the level line across the marked studs. An 8-foot, 3-1/2-inch metal stud, for instance, may support over 2,000 pounds, while a 16-foot stud of the same width will support as little as 400 pounds. (2), December Trace through the screw holes with a pencil or marker, and repeat for each bracket at each stud. A stud with an eye in the end of it. These load values are based upon tests conducted by APA – The Engineered Wood Association. (4), June When most people think of metal framing systems, they tend to only think about the Unistrut channel and the Unistrut fittings. (1), January Phillips screwdriver. The washer assembly⎯not attached to the screw⎯moves to accommodate any error in driving the screw… A couple times we would drill and use 1/4-20 bolts, but the other 99.9% of the time we used beam clamps. The spring-loaded wings cinch up when you push the bolts into the holes, and they snap back open when they come out the back side of the metal studs. (1), March You will need to drill all your holes first in the 2x4, then hold that to the wall and drill into the drywall just enough to locate the centre of all the larger holes on the wall. Ensure they are plumb. If you simply can't position the fastener at a stud, then span two studs with a board screwed to the studs, and screw the object to the board. Step-3 Preparing The Sheet Metal Framing And Uni Strut Tiedowns. Mark edges of the stud on the wall with a pencil, then locate and mark the other studs where the shelves will hang. (4), January Unistrut: How to Attach Slotted Framing Channel to Threaded Rod We often receive phone calls and e-mails from contractors asking how to attached threaded rod to Unistrut. Yes No. (2), August (4), February Shoot the stud in concrete or steel, slip the unistrut on, add washer and bolt,hang pipe, etc. Use metal-clad (MC) with a metal sheath specifically listed as impervious to water, or underground feeder/branch circuit cable (UF), either by itself or in a conduit system approved for use in wet locations (if you desire additional protection from physical damage to the cable). Hilti’s innovative mechanical fastening system for attaching steel deck to bar joist or structural steel beams provides a reliable and productive solution. Twist the wings off the bolts and slip one or two metal washers onto each bolt and up against the bolt heads. (6), April Carole Oldroyd, a writer based in East Tennessee, has authored numerous DIY home improvement, Human Resources, HR and Law articles. (3), November Set screws first at each end of the metal framing track and then every 3 ft. along the track. , which are perfect for custom or DIY projects toggle bolts, but any nut..., self-tapping screws are commonly used to attaching unistrut to metal studs panels concrete or steel, slip bolts! Of 18 gauge sheet metal from our local metal Supermarket a bracket attaching unistrut to metal studs... Bolts in the 2x4, then work on pushing them all through the screw holes a... Systems, they tend to only think about the Unistrut on, add washer bolt. 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