Origin: ImportedSocket head cap screws are bolts (cap screws) with a hexagonal recessed driveAlso know as Allen bolts, they are driven with a hex key or Allen wrenchSocket cap screws are popular in tight spaces where an Allen wrench would fit when another type of drive may notCommonly used in machinery and assembliesDiameter: M12 Drive Type: Internal Hex Finish: Plain Grade: A4 Head Diameter: 17.73 - 18.27 mm Head Diameter Max: 18.27mm Head Height: 11.57 - 12.00 mm Head Height Max: 12.00mm Head Style: Socket Industry Standard: DIN 912 Item: Socket Cap Screw Key Size: 10 mm Length: 25 mm Material: A4 Stainless Steel Measurement: Metric Origin: Imported Specification: DIN 912 Tensile Strength : 101500 psi Thread Length: 25 mm Thread Type: Coarse Type: Full Threaded