Item Details:
Material: 416 Steel
Hardness: HRC 39-44
M4 Screw
Dimensions:
Intermediate Connecting Rod Size: 5x13mm (0.2x0.5in)
Adjustable Tightening Length (between 16-22mm (0.63-0.87in))
Nut Diameter: 7.5mm
Package Includes: 4 x M4 Screw Knife Handle Bolt Rivets
Easy Installation: Drill a hole in the surface of the object where the knife screw will be installed. If desired, grind off the protruding portion to create the appearance of a solid handle pin.
Versatile Use: These bolts are suitable for all types of handle materials.