Version suitable for NC similar to DIN 212 with straight shank ⌀ for standard chucking especially in hydraulic chucks or high precision collet chucks. For highest concentricity and process reliability. No need to order special collets.
With long flutes and left-hand helix.
≤ ⌀ size 1.7 with 3 teeth; ≥ ⌀ size 1.8 even number of teeth and irregular spacing. ≤ ⌀ size 3.7 both ends with centre points; ≥ ⌀ size 3.8 both ends with centre holes.
Reamer manufacturing or cutting edge tolerance to DIN1420 for H7 bore tolerance.

For reamers in 1/100 sizes see No. 162902.
For reamers with diameters and fits to specification see No. 162951