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Reducing sleeve for tools with MK shank

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Reducing sleeve for tools with MK shank

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

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Available in 7 versions

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Application

For holding tools with Morse taper shank and flat tangs in accordance with DIN 228-1 form B.

Execution

  • Alloyed case-hardening steel, core tensile strength at least 950 N/mm²
  • Case-hardened HRc 60 ± 2 (HV 700 ± 50), hardness depth 0.8 mm ± 0.2 mm, black oxide finish
  • Taper angle tolerance quality < AT3 in accordance with DIN 7187 and DIN 2080
  • Max. concentricity < 0.005 mm

Notes

The previous standard JIS B 6339 MAS BT was superseded by ISO 7388-2.

Delivery

1x BT40 spacer sleeve (ISO 7388-2)