Shoulder Screw Black Steel 1/2-13 * 4-1/4" Grade 8 [Cup Point] [Allen Drive] od_3-1-2 black-plated steel nuts resist corrosion

black-plated steel nuts resist corrosion in wet environments

This hexagonal bolt has a length of 3" with a threading of 3/4-10 [Partially Threaded]

The nylon insert grips the bolt to resist loosening without damaging threads

This hexagonal bolt has a length of 8" with a threading of 5/8-18 [Partially Threaded]

Shoulder Screw Black Steel 1/2-13 * 4-1/4" Grade 8 [Cup Point] [Allen Drive] od_3-1-2 black-plated steel nuts resist corrosionComparable to Grade 8 steel, these alloy steel shoulder screws are the strongest we offer. They have a standard shoulder with an undersized tolerance to fit most machinery and equipment. Also known as stripper bolts, they're commonly used in punch and die assemblies, and as an axle or pivot point. The screw has a length of 4 1 4" and a thread of 1 2 13.