HAND TAPPERS M4x0.7 3pcs HSS DIN352 FORTIS

KPL. TAPPERS M4X0,7 3-elem. HSS DIN3523-piece set consisting of a pre-tapping threader with shape A (6-8 turns), an intermediate threader with shape D (3.5-5 turns) and a finishing threader with shape C (2-3 turns).Application: For metric common threads according to ISO DIN 13.Thread: M4Stroke: 0.7 mmTotal length: 44 mmSquare shank: 3.4 mmTap hole size: 3.3 mm