Material: carbon steel
Surface treatment: black oxide
Thread size: M27x1.5mm/ M27x0.06inch
Type: fine thread
Outer diameter: 42mm/ 1.65inch
Height: 9mm/ 0.35inch
The pitch and helix angle of fine thread are smaller, which is more conducive to self-locking. Therefore, fine thread is generally used where it is necessary to prevent loosening.
Internal thread design, 4-groove slotted round nut, operated by hook wrench (not included here).
Widely used in roller bearing, axial shaft, pump valve, etc.