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Surface chuck (Weldon)
In accordance with ISO 7388-2 (JIS B6339/MAS-BT); with resealable coolant bores
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Application
For clamping tools with straight shank and clamping surface in accordance with DIN 1835 B.
Execution
- Alloyed case-hardening steel with core tensile strength of at least 950 N/mm².
- Case-hardened HRc 60 ± 2 (HV 700 ± 50), hardening depth 0.8 mm ± 0.2 mm.
- Taper angle tolerance quality < AT3 in accordance with DIN 7187 and DIN 2080.
- All functional surfaces machined.
Notes
The previous standard JIS B 6339 MAS BT was superseded by ISO 7388-2.
Delivery
1x surface chuck (Weldon) BT40 (ISO 7388-2).
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