M40x1.5mm Retaining Four-Slot Slotted Round Nuts 2 Pcs

- Made of carbon steel, oxidized black finished, good rust and corrosion resistance.
- The pitch and spiral angle of the fine thread is smaller, which is more conducive to the self-locking, so the fine thread are generally used in places where it is necessary to prevent loosening.
- Design with thread inside, 4-slot slotted round nut.
- Operated with hook spanners (not included here).
- Widely used for roller bearing, axial shaft, pump valve, etc
 
Specification:
Material: Carbon Steel
Finish: Oxidized black
Thread Size: M40x1.5mm
Type: Fine Thread
Outer Diameter: 57mm / 2.24"
Height: 9mm / 0.35"
 
Package Content: 
2 x Slotted Nuts