PRODUCT SPECIFICATIONS Part #: 0000-112832 Fastener Type: Hex Cap Screw (Bolt) Size Description: 1/4 -20 x 1 1/2 (PT) Diameter/Nominal Size: 1/4 Length: 1 1/2 Thread Pitch: 20 Thread Pitch Type: Coarse Thread Direction: Right Thread Coverage: Partial System of Measurement: Inch Grade: 8 Material: Alloy Steel Finish: Yellow Zinc Plated Head Type: Hex Drive Type: External Hex Average Piece Weight: 0.0243000 lbs. Hex Cap Screws are similar to hex bolts but are manufactured with tighter tolerances than hex bolts for socket or wrench tightening hex cap screws are available in both fully threaded and partial threaded varieties and in many different materials.