Dewamarket 1/4×22-20 x 3 1/2×22 (PT) Coarse Thread Grade 8 Hex Cap Screw (Bolt) Alloy Steel Black Oxide

Part #: 0000-116310. Buy as few as 550 pcs. Discounts on larger quantities. PRODUCT SPECIFICATIONS Part #: 0000-116310 Fastener Type: Hex Cap Screw (Bolt) Size Description: 1/4″-20 x 3 1/2″ (PT) Diameter/Nominal Size: 1/4″ Length: 3 1/2″ Wrench Size/Across Flats: 7/16″ (0.428-0.438″) Width Across Corners: 0.488-0.505″ Head Height: 0.150-0.163″ Thread Pitch: 20 Thread Pitch Type: Coarse Thread Direction: Right Thread Coverage: Partial System of Measurement: Inch Grade: 8 Material: Alloy Steel Finish: Thermal Black Oxide Head Type: Hex Drive Type: External Hex Average Piece Weight: 0.0510000 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.