EXACT 30105 Hand Tap Set M8 HSS DIN 352
EXACT 30105 Hand Tap Set M8 HSS DIN 352
The 1x1 of thread cutting. Product information: Hand thread drill: Three-piece set for metric ISO standard thread consists of taper (marking with 1 ring, long cut, shape A / 6-8 gear), middle cutter (marking with 2 rings, medium cut, shape D / 3.5-5 gear), finishing cutter (marking: without ring, short cut, shape C / 2-3 gears. Working method internal thread for hand taps. The core hole is pre-drilled with a core hole spiral drill. (Hole diameter = the thread diameter minus the pitch. Important: the core hole must be pre-drilled deeper than the desired thread for blind holes by the cutting length. We recommend that you lower the core hole to the thread diameter. Attach the tap in an adjustable tap wrench or in a tool holder for smaller dimensions. Make sure that the screw thread of the arm of the adjustable tap wrench is tightened tightly. Place the tap perpendicular to the hole. Under light pressure, the tap is turned into the hole in the clockwise direction with the help of the tap wrench. After half a turn, the chip must be broken by turning back. Please do not forget to use drill paste or cutting oil.
Product Features
- Taper, middle and finishing taps in M8 x 1.25 mm
- For cutting internal threads for through and blind holes
- Thread length: 22 mm
- High-quality tool quality in HSS DIN 352
- Threaded core hole with diameter 6.8 mm drilling