Exact 30102 DIN 352B M4 HSS Hand Taps (Set of 3)

• Pre-, medium and finish cutters in M4 x 0.70mm
• for cutting internal threads for through and blind holes
• Thread length 13mm
• High quality tool quality in HSS DIN 352
• Drill threaded core hole with diametro 3.3mm

Product Description The 1x1 of the thread cutting product information Hand tap: Three-part set for metric ISO rule thread consists of printer (marking with 1 ring, long annealing, form A / 6-8 speed), middle cutter (marking with 2 rings, medium attachment, shape D / 3, 5-5 speed), finish cutter (marking: without ring, short portion, shape C / 2-3 speed Operation female thread in hand screws The core hole is pre-drilled with a core hole spiro drill. (Kerlochdurchmesser = the thread diameter minus the slope. Important: The core hole is important Sack holes around the cut length deeper than the desired thread are pre-drilled. We recommend that you lower the core hole to the thread diameter. Attach the threaded hole in an adjustable wind iron or with smaller dimensions in a tool holder. Make sure that the screw thread of the arm of the adjustable Wind iron tightly tightened. Put the tap vertical T to the hole! Under light pressure, the tap is rotated in the bore with the help of the wind iron in a green-rotation. After half a revolution, the SPAN must be turned back through. Please do not forget to use drill paste or cutting oil! Box Contains 1 taper / 1 second / 1 final Tap