The green color identifies these as grounding screws. They are available in "Type F" to cut threads in metal and "Type C" for a blunt machine screw point. The combination drive, one-piece hex washer head provides a large flat bearing surface for making solid electrical connections. Made from zinc-plated steel. Available through your local City Electric Supply. Click here to find a branch near you. Learn More

A machine screw is designed as a straight fastener that works to bind metal to metal through insertion of a pre-tapped opening. This fully-threaded machine screw features a combination drive that accepts both Phillips and slotted drivers. Available through your local City Electric Supply. Click here to find a branch near you. Learn More

A machine screw is designed as a straight fastener that works to bind metal to metal through insertion of a pre-tapped opening. This fully-threaded machine screw features a combination drive that accepts both Phillips and slotted drivers. Available through your local City Electric Supply. Click here to find a branch near you. Learn More

A machine screw is designed as a straight fastener that works to bind metal to metal through insertion of a pre-tapped opening. This fully-threaded machine screw features a combination drive that accepts both Phillips and slotted drivers. Available through your local City Electric Supply. Click here to find a branch near you. Learn More

A machine screw is designed as a straight fastener that works to bind metal to metal through insertion of a pre-tapped opening. This fully-threaded machine screw features a combination drive that accepts both Phillips and slotted drivers. Available through your local City Electric Supply. Click here to find a branch near you. Learn More

The green color identifies these as grounding screws. They are available in "Type F" to cut threads in metal and "Type C" for a blunt machine screw point. The combination drive, one-piece hex washer head provides a large flat bearing surface for making solid electrical connections. Made from zinc-plated steel. Available through your local City Electric Supply. Click here to find a branch near you. Learn More

The green color identifies these as grounding screws. They are available in "Type F" to cut threads in metal and "Type C" for a blunt machine screw point. The combination drive, one-piece hex washer head provides a large flat bearing surface for making solid electrical connections. Made from zinc-plated steel. Available through your local City Electric Supply. Click here to find a branch near you. Learn More

USS and SAE (Type A) are the most widely used types of washers. SAE standard washers generally have a smaller ID and OD than USS standard washers. Commonly used with bolts, screws, and nuts, zinc coated options provide mild corrosion resistance while the stainless steel versions provide excellent corrosion resistance and may be mildly magnetic. Available through your local City Electric Supply. Click here to find a branch near you. Learn More

Compared to regular flat washers, these split lock (or spring lock) washers reduce the likelihood that your fastened joint will loosen under shock or vibration. Under compression, spring tension forces the split ends to dig into mating surfaces and hold tight. Available through your local City Electric Supply. Click here to find a branch near you. Learn More