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HSCo machine tap for through holes in nuts DIN 357
Long machine nut screw tap with overrun shaft for cutting nuts for metric threads in steel up to a strength of 800 N/mm².
- Thread type: Metric thread
- Material to be processed: Steel
- Hole type: Clearance hole ≤ 1xD
- Suitable for machine type: Milling/drill center, Pedestal drilling machine
- Quality: ZEBRA-Premium
- DIN: 357
- Cutting material: HSCo
- Surface: Plain
- Shank style: Cylindrical with square drive
- Tolerance of screw taps: ISO 2 (6H)
- Suitable for tensile strength up to: 800 N/mm²
- Service life (points system): 3 of 4 points
- Trueness to gauge (points system): 4 of 4 points
- Versatility (points system): 1 of 4 points
- Cutting behaviour (points system): 3 of 4 points
- Chip formation (points system): 3 of 4 points
- Material of sub-group: General structural steels, Non-alloyed tempering steels, Tool steels, High-speed steels, Copper, low-alloyed, Aluminium alloys, Aluminium, Aluminium casting alloys (<10% silicon), Aluminium wrought alloys
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Variants
Long service life
Very long threaded start (approx. 2/3 of the thread length) and up to 4x more teeth compared to conventional machine taps
Specially developed for machining nuts
The groove and thread geometry has been specially designed for machining nuts.
Product packaging made from 100 % PCR (recycled plastic from household waste) and 100 % recyclable
Sufficient coolant and lubricant must be added when cutting threads.
Before reversing the screw tap, the entire point of the tool must be removed from the drill hole. Failure to do so may cause cutting edges to chip or the tool to break.
Select RAL-colour code
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