PRODUCT SPECIFICATIONS Part #: 0000-200537 Fastener Type: Hex Tap (Full Thread) Bolt Size Description: 1/2-13 x 5 1/2 Diameter/Nominal Size: 1/2 Length: 5 1/2 Thread Pitch: 13 Thread Pitch Type: Coarse Thread Direction: Right Thread Coverage: Full System of Measurement: Inch Grade: 8 Material: Alloy Steel Finish: Yellow Zinc Plated Head Type: Hex Drive Type: External Hex Average Piece Weight: 0.2800000 lbs. Hex Tap Bolts are also known as fully-threaded hex bolts. Designed to be inserted through holes and tightened by torqueing a nut or mated with an internally threaded (tapped) hole and tightened by torqueing the bolt s head.