Simpson Strong-Tie #12 x 1-1/4" Self-Drilling Strong-Drive XM Metal Screw, Medium Hex-Washer Head - Quik Guard Coating, Qty. 2,000 Decorative T Straps and L Straps slip-free installation with included driver

slip-free installation with included driver bit

and the larger-diameter anchor holes are for 1/4"-diameter concrete screw anchors

Type 316 stainless steel can be used with seaside applications and has superior corrosion resistance

and reliable fastening in composite and PVC decking projects

If the load requires more capacity

Simpson Strong-Tie #12 x 1-1/4" Self-Drilling Strong-Drive XM Metal Screw, Medium Hex-Washer Head - Quik Guard Coating, Qty. 2,000 Decorative T Straps and L Straps slip-free installation with included driverLoad testing and code listing of Strong Drive metal screws ensures reliable performance and maximum load values. Comparative testing proves that XM Medium Head Metal screws from Strong Drive are superior to various fastener types in 33 ksi and 50 ksi steel decking. Key Features 5 16" hex drive (replacement driver bit: BITHEXR516 R1) 1 2" diameter hex washer head is ideal for narrow channel steel decking Available only in 1 1 4" length with #5 drill