Also known as: Small wrench Japanese Industrial Standard external hex drive flange bolt, JIS flanged screws with reduced wrench, one-piece flange bolt for mechanical applications, non-serrated flange screw
Material: Class 10.9 flange bolts are considered hardened, providing a high strength, high tensile fastening solution
Extra Fine Thread Reduced 15mm wrench size with non-serrated smooth bottom flange. The underside of the flange surface ensures superior force distribution over a greater area, eliminating the need for a separate washer. To be used with locking or non-locking nuts or in a tapped hole, commonly used on vehicle frames and various automotive applications
Description
Partial thread: Partially threaded hex bolts have an unthreaded length under the head that is stronger than the threaded portion of the bolt