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.
Up to size 1.7 with 3 teeth; from size 1.8 even number of teeth and irregular spacing. Up to size 3.7 both ends with centre points; from size 3.8 both ends with centre holes.
Reamer manufacturing tolerances:
- Whole-number ⌀ and 1/10 sizes: to DIN 1420 for H7 hole tolerance field.
- 1/100 sizes: from ⌀ 1.01 to 5.03: +0.004/− 0.000 mm and from ⌀ 5.97 to 12.03: +0.005/− 0.000 mm.
For reamers with other diameters and fits see No. 162951.