3/8-16 NTE Thin Pattern Nylon Insert Hex Lock Nut Black Zinc M20 It has a square head

It has a square head and a pointed tip

This 1/4-20 x 1 3/4" Grade 8 fully threaded carriage bolt is made of high-strength steel and features a plain finish

The 3/8-16 x 9 Carriage Bolt Partially Threaded 6' Thread Under Sized Body Zinc is a versatile and durable fastener designed for various construction and industrial applications

This lag screw is ideal for securing heavy objects such as beams

3/8-16 NTE Thin Pattern Nylon Insert Hex Lock Nut Black Zinc M20 It has a square headThe 3 8 16 NTE Thin Pattern Nylon Insert Hex Lock Nut Black Zinc is a high quality nut that is designed to provide a secure and reliable connection. The nut is made of durable steel and has a black zinc finish for corrosion resistance. The nylon insert helps to prevent the nut from loosening due to vibration or shock. The thin pattern design allows the nut to be used in tight spaces.