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Weldon surface chucks
Weldon surface chucks - 1
Weldon surface chucks - 2

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Weldon surface chucks

In accordance with ISO 7388-2 (JIS B6339/MAS-BT)

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Available in 53 versions

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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.
  • Tool holder concentricity, internal taper to clamping diameter ≤ 0.005 mm.
  • 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The previous standard JIS B 6339 MAS BT was superseded by ISO 7388-2.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).