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JIS B 6339 — dimensioned drawing

Pick a size in the table below to see its own drawing and 3D model.

Rotating Tools / Pull Stud (JIS B 6339)

JIS B 6339

14 sizes available · 11 specification fields

JIS B 6339 is a pull stud (retention knob). It is listed here in 14 sizes, each with full specifications and a dimensioned drawing. Typical use: clamping the tool holder into the machine spindle.

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Specifications

14 sizes
Product code Spindle / taper size Clamping / retention thread Third bore diameter (mm) Second bore diameter (mm) Bore diameter (mm) Connection dimension Body length (mm) Overall length (mm) Second body length (mm) BHTA Figure
APS-BT30-45-M12-JIS 30 M12 11 7 12.5 – 18 43 23 45 1
APS-BT40-45-M16-JIS-O-H 40 M16 15 10 17 3 28 60 35 45 2
APS-BT30-45-M12-JIS-O-H 30 M12 11 8 – 2.5 18 43 23 45 2
APS-BT40-45-M16-JIS-O 40 M16 15 10 17 0 28 60 35 45 2
APS-BT50-45-M24-JIS-O 50 M24 23 17 25 0 35 85 45 45 2
APS-BT50-45-M24-JIS-O-H 50 M24 23 17 25 0 35 85 45 45 2
APS-BT30-60-M12-JIS 30 M12 11 7 – 0 18 43 23 60 1
APS-BT40-60-M16-JIS-O-H 40 M16 15 10 17 3 28 60 35 60 2
APS-BT50-60-M24-JIS-O 50 M24 23 17 25 0 35 85 45 60 2
APS-BT50-60-M24-JIS-O-H 50 M24 23 17 25 6 35 85 45 60 2
APS-BT40-90-M16-JIS-O 40 M16 15 10 17 0 28 60 35 90 2
APS-BT40-90-M16-JIS-O-H 40 M16 15 10 17 3 28 60 35 90 2
APS-BT50-90-M24-JIS-O 50 M24 23 17 25 0 35 85 45 90 2
APS-BT50-90-M24-JIS-O-H 50 M24 23 17 25 6 35 85 45 90 2
Column codes
  • SS — Spindle / taper size
  • CRKS — Clamping / retention thread
  • BD_3 — Third bore diameter (mm)
  • BD_2 — Second bore diameter (mm)
  • BD — Bore diameter (mm)
  • CND — Connection dimension
  • LB — Body length (mm)
  • OAL — Overall length (mm)
  • LB_2 — Second body length (mm)
  • BHTA — BHTA
  • Fig. — Figure

Dimensions in millimetres unless noted. Values are the manufacturer's published figures.