Simpson Strong-Tie #12 x 2-3/8" Self-Drilling TB Wood-To-Steel Screw, Star Flat Head - N2000 Galvanized, Collated, Qty. 1,000 CC Column Caps and simplicity

and simplicity

Simpson Drop-In expansion anchors are internally threaded anchors designed to be used in solid base materials

and no separate nut-and-washer assembly required

and harsh industrial sites

Improved geometry in the preassembled expansion plug allows the anchor to install with 40% fewer hammer strikes than previous versions

Simpson Strong-Tie #12 x 2-3/8" Self-Drilling TB Wood-To-Steel Screw, Star Flat Head - N2000 Galvanized, Collated, Qty. 1,000 CC Column Caps and simplicityStrong Tie Quik Drive TB self drilling wood to steel screws are designed to fasten wood to hot rolled steel under 5 16" thick. Designed for use with these Quik Drive Attachments PROHSD60 M