Grade 2 Shear Bolts 1/2" x 3-1/2" for Rotary Cutter,Tractor Gearbox,by Color Galvanization with Nylon Lock Nut Kit,by Metalsuberg .(5pcs Pack)

Thread Size: Diameter 1/2 inch-13 pitch, Length exclude head: 3-1/2 inch; Partially thread. Material: Made of high quality low carbon steel to make Hex head bolts much more strength,durability, and reliability. Exterior finish: Color Galvanization to make surface more Resistant to Rust for compare with sliver zinc. there are no issues of biting death or thread damaging to compare with nonrust steel bolts in high and low temperature environments Bolt and Nylon lockNut pack up together as one unit for conviences to end user with easy installation experiences. Nylon Insert Hex Lock Nut have more strong and long lifetime for full course thread clamping force to avoid loose; large size flat washer apply for much more worse work conditions. This Hex head bolt,nut and washer Assortment Kit following up with Grade 2 SAE J429 standard and Our fasteners have passed many limit test requirements/quality control before selling out.they can widely use in different industries for fixing, please check the picture, size and self working condition clearly and choose right spec before you purchase it.please feel free to contact with us if you have any queries need our help.we will reply you soon and let your installation feeling more smoothly.