uxcell M4 Hanger Bolts Length 1"(25mm) Double Headed Bolts Self-Tapping Screw 4mm Wood Joint Furniture Legs 20pcs auspowers_batchone Round/Hex shank can use with

Round/Hex shank can use with any air or electric drill

High insulation

the nylon lock nuts providing better security and firm hold

Even fits PVC ABS cement and sewer drain pipes

uxcell M4 Hanger Bolts Length 1"(25mm) Double Headed Bolts Self-Tapping Screw 4mm Wood Joint Furniture Legs 20pcs auspowers_batchone Round/Hex shank can use withuxcell M4 Hanger Bolts Length 1"(25mm) Double Headed Bolts Self Tapping Screw 4mm Wood Joint Furniture Legs 20pcs Read more Double Ended Screws are self tapping wood threads at one end, which can be directly locked into the soft material (wood). The other end is a mechanical thread, which can be locked with the nut. Because of its simple installation, good concealment, and high strength, it is very popular with customers. Note: 1. Choose the size,