5/16-18 x 4 1/2 Slotted Round Machine Screw Fully Threaded 18-8 Stainless Steel 3/8-16 093-126 This 1/4" External Tooth Lock

This 1/4" External Tooth Lock Washer is crafted from durable 410 stainless steel

The 1/4-20 thread size provides a secure hold in various materials

this washer is hot-dipped galvanized for superior corrosion resistance

This 4-40 x 1/2 Phillips flat machine screw is fully threaded and has a black oxide finish

5/16-18 x 4 1/2 Slotted Round Machine Screw Fully Threaded 18-8 Stainless Steel 3/8-16 093-126 This 1/4" External Tooth LockThis 5 16 18 x 4 1 2 slotted round machine screw is fully threaded and made of 18 8 stainless steel. It has a slotted drive and a round head. This screw is commonly used in a variety of applications, including automotive, marine, and industrial. It is corrosion resistant and has a high strength to weight ratio.