1/2-13 x 4 Inch Coarse Black Oxide Heat Treated Alloy Steel Socket Cap Screw Best Seller these light duty screws are

these light duty screws are commonly used for fastening electrical boxes or light fixtures into concrete or CMU walls and ceilings

4 Awg Red 487 Series Heavy Duty Starter Cap

6-6T BI-MET RECIP BLD PLASTER

GR2 HEX BOLT 3/8-16 X 3-1/2 ZP

1/2-13 x 4 Inch Coarse Black Oxide Heat Treated Alloy Steel Socket Cap Screw Best Seller these light duty screws areSocket head cap screws are commonly used in machine assembly for removable panels and parts. They have a round cap with a hex head and are tightened with a socket wrench drive. Longer caps are easier to see when fastened while button and flat head caps are less likely to snag clothing or linkages. Cap screws with a black oxide or armor coat finish resist corrosion.