Hardness of RC 38-43

Box contains 1500 screws

Meets ASTM C1002 for attaching gypsum board to wood studs

Made of zinc-plated steel with a ceramic coat for added corrosion protection

The “combination” head allows for driving using either a hex driver bit or T40 6-lobe driver bit

#8 x 1 1/16 Simpson Strong-Tie CBSDQ Sheathing-to-CFS Screw - Carton (5000) 5/8 Dowel Pins Alloy Steel Hardness of RC 38-43#8 x 1 1 16 Simpson Strong Tie CBSDQ Sheathing to CFS Screw Carton (5000)The CBSDQ Sheathing to CFS screw securely fastens various sheathing materials to cold formed steel (CFS). Its self drilling point drives into materials easily and the flat head with nibs countersinks flush to surfaces. This screw is ideally suited for fastening sheathing to interior walls and floors (recommended thicknesses: 1118 gauge).