5/16" x 4" Hex Head Bolt by Color Galvanization with Nylon Lock nut and Large Size Washer Assortment Kit,Alloy Steel,Grade 5.(8pcs Pack),by Metalsuberg.

5/16" x 4" Hex Head Bolt by Color Galvanization with Nylon Lock nut and Large Size Washer Assortment Kit,Alloy Steel,Grade 5.(8pcs Pack),by Metalsuberg.

• Thread Size: Diameter 5/16 inch-18 UNC Course thread, Length exclude head: 4 inch; partially thread.Comply with ASME B1.1 standard.
• Requirements of SAE J429/ASTM A449/ASME B18.2.6 for material,mechanics,dimensional inspection level to make sure the bolt and nut have much more strength,duraility, and reliability; ASTM F1941/ASME B18.18.2M/ASTM B117 surface treatment with SC2 to SC3 level quanility control requirements to make sure our fastener can suit with outdoor environment.
• 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.
• Widely application: Vehicles, agricultural and garden machinery, industrial automation, construction, outdoor leisure equipment, Especial design for use in sport, vibration, impact, earthquake situation.
• This Hex head bolt,nut and washer Assortment Kit following up with ASME B18.2.1 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.