Acorn S-WM14314G250 Metal Building Screws, 3-1/4" big-and-odd-items Reinforced corners

Reinforced corners

Designed for use in offices

Specifications: 5/16" X 3/4"

Black and Decker's BDCMTI Impact Driver Attachment is part of the Matrix Quick Connect System which allows users to quickly change attachments for any project need

Acorn S-WM14314G250 Metal Building Screws, 3-1/4" big-and-odd-items Reinforced cornersWood to metal screws are made from C1022 steel, case hardened for fastening wood to steel or aluminum. #10 24 screw is a Phillips wafer head. #12 24 (#14 Head) and #14 20 screws are star drive flat head. The star drive flat head reduces camout and end load, handles greater torque than Phillips or square drive, and eliminates spinning and fastener damage. For star drive use a T30 drill bit (not included). Reamer wings drill through wood and snap off