Technical data:
Operating range: 3/8 - 2''
Length: 335 mm
Weight: 1.15 kg
Knurling machine for threads
For knurling in the range of 3/8 - 2"
Made of forged steel, with hardened rollers.
It is used to blunt threads for hemp and Teflon seals.
It is not possible to scratch the workpiece by protruding screws.
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Photos have an illustrative function.