Re-adjustable hand reamer
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Up to 5 mm with straight flutes; from 6 mm with left hand helix 7 − 8°. The reamer body is slit and can be adjusted by approx. 1/100 of the reamer ⌀ using the expansion screw (e.g. 20 mm ⌀ = 0.2 mm).
For opening through holes to a slight oversize. Use the straight fluted reamers only in holes which are not interrupted. Make sure that the screw is not left tightened when stored.
Application for type of drilling
for through hole