5/16-20 x 1/2 Slotted Indented Hex Washer Self Tapping Screw Type A Fully Threaded Zinc AQF Its castle-style design features notches

Its castle-style design features notches that allow for the insertion of a cotter pin or safety wire

The sharp point and self-drilling design allow for easy penetration into drywall without the need for pre-drilling

The square drive design provides a secure grip for easy installation

This 1/4-20 x 1 1/2 ribbed neck carriage bolt is made of Grade 5 steel and has a fully threaded design

It has a 1/2"-13 thread size and is 11 1/2" long

5/16-20 x 1/2 Slotted Indented Hex Washer Self Tapping Screw Type A Fully Threaded Zinc AQF Its castle-style design features notchesThe 5 16 20 x 1 2 Slotted Indented Hex Washer Self Tapping Screw Type A Fully Threaded Zinc is a versatile and durable screw designed for various applications. Made of high quality zinc plated steel, it offers excellent corrosion resistance and strength. The slotted indented hex washer head provides a secure grip for tightening and prevents slippage. The self tapping feature allows the screw to create its own threads in metal, plastic, or wood,