5/16-18 x 1 3/4 Six Lobe Pan Thread Cutting Screw Type F Fully Threaded Zinc BW188 The 1/4-20 x 1 1/4

The 1/4-20 x 1 1/4 Unslotted Hex washer Head with Number 4 Point Self-Drilling Screw Zinc is a versatile and durable fastener designed for a wide range of applications

preventing it from loosening due to vibration or movement

Their plain finish makes them suitable for various applications

These 4-40 x 5/16 Phillips pan split lock washer SEMS screws are fully threaded and made of 18-8 stainless steel

This screw is also easy to install

5/16-18 x 1 3/4 Six Lobe Pan Thread Cutting Screw Type F Fully Threaded Zinc BW188 The 1/4-20 x 1 1/4The 5 16 18 x 1 3 4 Six Lobe Pan Thread Cutting Screw Type F Fully Threaded Zinc is a high performance fastener designed for demanding applications. It features a six lobe pan head with a fully threaded shank, providing superior holding power and resistance to vibration. The thread cutting design allows the screw to create its own threads in metal or plastic materials, eliminating the need for pre tapping. The zinc coating provides corrosion