5/16 -18 x 2 1/2 (PT) Coarse Thread A307 Grade A Hex Bolt Low Carbon Steel Hot Dip Galvanized Pk 100

PRODUCT SPECIFICATIONS Part #: 0000-117217 Fastener Type: Hex Bolt Size Description: 5/16 -18 x 2 1/2 (PT) Diameter/Nominal Size: 5/16 Length: 2 1/2 Thread Pitch: 18 Thread Pitch Type: Coarse Thread Direction: Right Thread Coverage: Partial System of Measurement: Inch Grade: A (2) Material: Low Carbon Steel Finish: Hot Dip Galvanized Head Type: Hex Drive Type: External Hex Standards Met: A307 Average Piece Weight: 0.0606500 lbs. Hexagonal heads and machine threads used with a nut or in a tapped hole; also known as or machine bolts. Hex bolts are similar to hex cap screws. What is the difference between a hex cap screw and a hex bolt? A hex cap screw has tighter tolerances on the body dimensions and features a chamfered end and a washer face under the bolt head. A hex cap screw is often called a finished hex bolt. Hex bolts have a flat end and lack the washer face under the head. Hex bolts may have an undersize body in longer lengths.