PROTEC.class PGBK15 thread drill box 15 pieces.

Thread drill box tap drill cartridge 15-part, high quality HSS (DMO5) - steel, hardness at the cutting part = up to d1 = 3.0 mm min. 61 HRC. 3.0 to 6.0 mm at least 62 HRC. About 6.0 mm 63 HRC / hardness on the shaft min. 45 HRC.Gewind: metric DIN ISO 13. Cutting direction: right-hand cutting. Contents: (thickness - incline mm - thread hole - total length - thread length): M 3 - 0.50 - 2.50 - 40 - 10 M 4 - 0.70 - 3.30 - 45 - 12 M 5 - 0.80 - 4.20 - 50 - 13 M 6 - 1.00 - 5,00 - 50 - 15 M 8 - 1.25 - 6.80 - 5650