Hex Washer Phillips

Hex Washer Phillips High Low
Self Tapping Screws - A Hi-Lo is a dual lead thread formong screw for use in plastic, nylon, wood, or other low density materials. The thread design reduces driving torque, improves drive to strip out torque and lessons the risk of cracking the application.
Head dimensions often differ from standard tapping screws
Case Hardened to Rockwell C45-50 (Core Hardness: Rockwell C28-36)
Fully Threaded