90 Deg Countersinks 3 Flute HSS | Guhring Size:20.5mm Standard - DIN 371

Standard  - DIN 371

These intermediate (second) taps are used after a taper tap to progressively cut clean and precise metric threads

these round button dies provide reliable thread cutting performance for engineering

Corner rounding cutters are used to round off the sharp corners of workpieces

90 Deg Countersinks 3 Flute HSS | Guhring Size:20.5mm Standard - DIN 371Countersinks are used for countersinking drilled holes, countersinking screws and deburring of holes. HSS APPLICATIONS Suitable for machine operations For Countersunk screws Chamfering of holes Suited for use in a variety of ferrous and non ferrous materials HSS TECHNICAL DATA Made from High Speed Steel Standard DIN 335 Guhring No. 476