Simpson #12 x 2" Self-Drilling Hex-Washer Head Screw, 305 Stainless Steel PACK:100 Pk Supports joists on purlins or

Supports joists on purlins or beams for a wide variety of structural configurations

10d penny size at 3 in

precise holes - eliminates bit walking on hard surfaces and ensures accurate anchor placement on the first pass

953 inches at 45 degrees for structural and mechanical tube work

How does the annular ring shank improve holding power compared to a smooth shank

Simpson #12 x 2" Self-Drilling Hex-Washer Head Screw, 305 Stainless Steel PACK:100 Pk Supports joists on purlins orSimpson #12 x 2" Self Drilling Hex Washer Head Screw in 305 Stainless Steel is a precision engineered fastener built for reliable, long lasting connections in aluminum and fiberglass applications. Designed with a #3 drill point that eliminates the need for pre drilling, this self drilling screw drives cleanly into non steel substrates and delivers a secure, corrosion resistant hold. The indented hex washer head provides excellent bearing surface and