This lock nut is made of malleable cast iron and has Rp threads. A locking nut resists loosening from vibrations and torque.
Specifications
Thread size (imperial) : 1 inch
Material : Malleable cast iron
Self-locking : No
Thread type : Inner thread cylindrical BSPT-Rp
Left-handed thread : No
Model : Nut
Halogen free : No
With nylon ring : No
Wrench width (mm) : 47
![Lock Nut Rp1'' Malleable Cast Iron [5 Pieces]](https://www.coolgrittools.com/wp-content/uploads/2026/06/f2ep7_00.97051f5f.webp)




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