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International Tools machine taps for through and blind holes, M4 to M20

International Tools machine taps cut threads on a pillar drill, tapping machine or machining centre, for production, metal construction and the maintenance workshop. They are made of HSS-E, which stands up better to the heat and wear of machine tapping.

Start with the type of hole. Taps for through holes have a spiral point that pushes the chip forward, through the hole. Taps for blind holes have spiral flutes that carry the chip upwards, so it does not jam at the bottom. Then choose the standard: DIN 371 with a reinforced shank covers the smaller metric sizes up to M10, DIN 376 with a reduced shank the larger sizes from M12 to M20. For pipe thread, there is a tap with BSP gas thread to DIN 5156.

Drill the core hole to the right diameter for the thread size and use cutting oil, so the thread stays to size and the tap does not break. These taps are part of the International Tools cutting tools. For the core holes themselves, use the International Tools HSS twist drills DIN 338 and DIN 345.

Category International tools hand tap International tools hand tap
Category International tools machine tap International tools machine tap
Category International tools die nut International tools die nut
Category International tools thread cutting die International tools thread cutting die
Category International tools stud extractor International tools stud extractor
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