Description
Size: Diameter 5/16 inch, Length 1/2 inch-18 pitch. Material: Made of high quality low carbon steel and color Galvanization to make Carriage bolts much more strength and Resistant to Rust.there are no issues of biting death or thread damaging to compare with nonrust steel bolts in high and low temperature environments.Bolt, Nut and flat washer 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..Square neck underneath the round head feature as suit for their self-locking when position in square hole for nut tighting..This carriage bolt,nut and washer assortmens following up with ANSI standard and Our fasteners have passed many limit test requirements/quality control before selling out.please check the picture, size and self working condition requirements clearly and choose right spec before you purchase it. Offer reliable after sales-service,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.
