Standard machine tap HSS-E5 (cobalt 5%) -UNC UNF -DIN 371 -B SHape (GUN) -2B -Reinforced shank
Reference : 9622021
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Presentation
Benefits
Tap for steel. Reinforced tail. Profile: UNC UNF.
- GUN entry
- 5% cobalt HSS
- Queue renforcée
- STEAM treatment
MACHINE
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Machine conventionnelle
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Drill press
Geometry
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High speed steel Cobalt 5% (tool material)
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Pas Américain unifié gros filets / Américain unifié filets fins
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Tolerance
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DIN 371 norm
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Entrée forme B "GUN" / 4-4,5 hls
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Entrée GUN
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With square drive (tap)
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Steam homo surface treatment
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denture à conicité arrière
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Application
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P2- Weakly allied steels
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P3- strong alloy steels
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P1- Unrealized steels
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K- Ferrous Cast iron with Short Chips
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M1- austenitic stainless steels
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Form
Properties
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Gun entry: entry geometry consisting of facets shaped to guide debris towards the front. Improves threading efficiency and precision.
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5% cobalt high-speed steel: HSS substrate enriched with 5% cobalt. Improved heat retention (strength, cutting sharpness)
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Queue renforcée : la queue du taraud est épaulée, soit plus large que le diamètre nominal.
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STEAM treatment : Steam oxidation treatment.
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Reference : 9622021
