Product Description
Specification
Surface treatment: oxidation and blackening
Material grade: 12.9 level
Size: 4#-40x1/8inch
Material: carbon steel
Weight: 35g
Feature
Made of 12.9 alloy steel, cup-shaped pointed sleeve with hexagon head Grub screw. Usually used to keep pulleys, gears or other parts rotating relative to the shaft.
These headless screws have a hex socket in which a hex wrench is inserted to tighten and loosen the screw.
These set screws are headless screws, usually called blind screws or flat head screws. Set screws are usually used to fix an object within or relative to another object, such as a pulley or gear to a shaft.
Contains products:
50PCS 4-40 x 1/8inch Cup Point Socket Set
1PC 1.27mm hexagon wrench