5/8" x 1/2" x 3-1/8" Plain Socket Head Shoulder Screws (2 pcs.)

Diameter: 5/8"
Length: 3-1/8"
Material: Steel
Finish: Plain
Head Style: Socket (5/16" Socket)
Thread Size: 13 (Coarse)
Thread Length: 3/4"
Hardness: Alloy Steel
Style: Socket Head
Type: Shoulder Bolt

Box of 2.

A shoulder screw differs from machine screws in that the shank is ground to a precise diameter, known as the shoulder, and the threaded portion is smaller in diameter than the shoulder. Shoulder bolt specifications call out the shoulder diameter, shoulder length, and threaded diameter; the threaded length is fixed, based on the threaded diameter, and usually quite short. It is usually used for revolving joints in mechanisms and linkages; when used as a guide for the stripper plate in a die set its called a stripper bolt.