5/16-18x3/4 slot indent hex washer serrated thread cutting screw type 23 full thread zincbak. Thread-cutting type-23 screws provide excellent chip clearance with minimum tightening torques. Steel: used in cast iron and zinc, aluminum die castings, and plastics.
- Stainless: material into which the screw is to cut threads should have a lower hardness
- Indented hex washer head offers advantages of hex head, plus greater protection to mating surface.
- Size 5/16-18
- Manufacturers part number 31123sws
- Package qty 1500
- Length inches 3/4
- Country of origin Import
- Drive Slotted
- Finish Zinc
- Head Indented hex washer
