1/4-20 x 2 1/2 MS51957-B Phil Pan M/S Coarse Full Thread 300 Series S/S DFAR Black Ox 1WG and the split washer helps

and the split washer helps to grip the screw or bolt and prevent it from turning

**5/16-18 x 5 1/2 Carriage Bolt Grade 8 Fully Threaded Yellow Zinc**

- Thread Size: #6

making this locknut ideal for outdoor or harsh environments

It is a prevailing torque type nut that is designed to resist loosening due to vibration

1/4-20 x 2 1/2 MS51957-B Phil Pan M/S Coarse Full Thread 300 Series S/S DFAR Black Ox 1WG and the split washer helpsThe 1 4 20 x 2 1 2 MS51957 B Phil Pan M S Coarse Full Thread 300 Series S S DFAR Black Ox is a high quality, durable screw that is perfect for a variety of applications. It is made of 300 series stainless steel, which is resistant to corrosion and rust. The screw has a black oxide finish, which gives it a sleek, professional look. The pan head design provides a low profile, and the coarse threads provide a secure hold. This screw is perfect for use in