Comparison : Item # S12125HDUC, #12 x 1-1/4" Simpson Self-Drilling Hex-Washer Head Screw, 5/16" Hex Drive Type, 14 TPI, 305 Stainless Steel, 100/pk
Item # S12125HDUM, #12 x 1-1/4" Simpson Self-Drilling Hex-Washer Head Screw, 5/16" Hex Drive Type, 14 TPI, 305 Stainless Steel, 1000/pk
Item # S12150HDUC, #12 x 1-1/2" Simpson Self-Drilling Hex-Washer Head Screw, 5/16" Hex Drive Type, 14 TPI, 305 Stainless Steel, 100/pk
Item # S12150HDUM, #12 x 1-1/2" Simpson Self-Drilling Hex-Washer Head Screw, 5/16" Hex Drive Type, 14 TPI, 305 Stainless Steel, 1000/pk
Item # S12200HDUC, #12 x 2" Simpson Self-Drilling Hex-Washer Head Screw, 5/16" Hex Drive Type, 14 TPI, 305 Stainless Steel, 100/pk