Sell High tensile bolts

High tensile bolts You May Also Be Interested In: cap screws head cap screws high tensile bolts spring washers torque wrench
The product is grade 12.9 high tensile hexagon socket head cap screws for industry and machinery use. Grade 12.9 bolts are tightened with a torque wrench, right up to their 90% proof load. There is no other effective way to tighten a grade 12.9 bolt. Grade 12.9 bolts do not work effectively with spring washers or shake-proof washers.

Grade 12.9 bolts are most often supplied as socket head bolts or socket head cap screws.

Grade 12.9 bolts are tightened with a torque wrench, right up to their 90% proof load.

Material: SCM 435 alloy steel