1/2 in.-13 x 3 in. Grade 18-8 Stainless Steel Hex (Allen) Drive Button Head Socket Cap Screws (5-Pack)

Socket head cap screws have cup points that produce a thin edge that digs into hard surfaces for a secure hold. Rounded head has splined outer circumference with internal hex drive. Use an Allen wrench (hex key) to secure with required torque as needed. Length is measured from underneath the head to the base of the cup point.Size: 1/2 in.-13 x 3 in.Button head, hex (Allen) driveInstalls using an Allen wrenchCan be used in tight spaces where there may not be room for a socket tool or wrenchOften used in machinery, tools and diesThread type: coarse, thread class: UNC-3A, point style: bluntSpecification(s) met: ASME B18.3 and ASTM F879