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BT40 High-Precision Chuck

Certificate of Quality

  • Chuck fine balanced G2.5 at 25.000 rpm
  • All functional surfaces fine machined
  • Taper tolerance AT3
  • Coolant supply form JD/JF
Your current product selection:
BT40 High-Precision Chuck

High-Precision Chuck
JIS B 6339-2 · BT40

Certificate of Quality

  • Chuck fine balanced G2.5 at 25.000 rpm
  • All functional surfaces fine machined
  • Taper tolerance AT3
  • Coolant supply form JD/JF

High-Precision Chuck
JIS B 6339-2 · BT40

For high-precise clamping of tools with cylindrical shank with special collets. Also for shanks with clamping flats. Very useful for high-speed machining.

With taper JIS B 6339-2 BT 40 form JD/JF.
Form JD/JF: interior coolant supply through centre (Form JD) and through the collar (form JF)

  • Delivery comprises: High-precision chuck with clamping screw and pull-out hook without collet
  • Shank tolerance h6
  • Optional: Cool Jet bores on HG Collets from diam. 1/4" (6 mm)
  • Extensions available for High-Precision Chuck

Technical data subjects to change without prior notice.

Technical drawing

BT40 High-Precision Chuck Technical Drawing

Please select your clamping diameter:

Version HG 01
Ø D [inch]1.18
Clamping Ø [inch]0.08 - 0.35
Order No. Gage length A in inch    
40.620.01 BT40 High-Precision Chuck short Pictogram
short, 2.56 inch
DXF
 Step
Add item to wishlist Add item to wishlist Item already on wishlist
Accessory
  1. Pull studs

    Pull studs

    Available in different versions

  2. Balancing rings

    Balancing rings

    For fine-balancing of all tool holders with cylindrical outer diameter

  3. Pull-out hook

    Pull-out hook

    For removing HG Collets out of High-Precision Chucks

  4. Torque wrench Mini HG

    Torque wrench Mini HG

    For highest clamping and repeatability when tightning Collets for HG Mini Extentions (pre-adjusted)

  5. Cool Jet

    Cool Jet

    Upgrade of Cool Jet bores on HG Collets
    Order No.: 91.100.24

  6. HG Collets

    HG Collets

    For clamping tools with cylindrical shank with utmost precision in High-Precision Chucks

  7. HG Mini Collets

    HG Mini Collets

    HG Mini Collets for HG Mini Extentions

  8. HG Mini Extentions

    HG Mini Extentions

    For clamping tools with small diameters in High-Precision Chucks and Collet Chucks Type ER and Power Collet

  9. Coolant bores

    Coolant bores

    Upgrade of coolant bores on Face Mill Arbors and Combination Shell End Mill Arbors
    Order No.: 91.100.03

  10. Clamping screw

    Clamping screw

    For High-Precision Chucks

  11. Dowel

    Dowel

    Dowel for sealing the coolant supply via the collar (Form B)

  12. Balancing screws

    Balancing screws

    For fine-balancing of all tool holders with balancing threads M6

  13. Lubricating paste

    Lubricating paste

    Lubricating paste for HG Collets

  14. HG cone wiper

    HG cone wiper

    For cleaning tool holder ID of High-Precision Chucks
40.621.01 BT40 High-Precision Chuck long Pictogram
long, 3.94 inch
DXF
 Step
Add item to wishlist Add item to wishlist Item already on wishlist
Accessory
  1. Pull studs

    Pull studs

    Available in different versions

  2. Balancing rings

    Balancing rings

    For fine-balancing of all tool holders with cylindrical outer diameter

  3. Pull-out hook

    Pull-out hook

    For removing HG Collets out of High-Precision Chucks

  4. Torque wrench Mini HG

    Torque wrench Mini HG

    For highest clamping and repeatability when tightning Collets for HG Mini Extentions (pre-adjusted)

  5. Cool Jet

    Cool Jet

    Upgrade of Cool Jet bores on HG Collets
    Order No.: 91.100.24

  6. HG Collets

    HG Collets

    For clamping tools with cylindrical shank with utmost precision in High-Precision Chucks

  7. Clamping screw

    Clamping screw

    For High-Precision Chucks

  8. HG Mini Collets

    HG Mini Collets

    HG Mini Collets for HG Mini Extentions

  9. HG Mini Extentions

    HG Mini Extentions

    For clamping tools with small diameters in High-Precision Chucks and Collet Chucks Type ER and Power Collet

  10. Lubricating paste

    Lubricating paste

    Lubricating paste for HG Collets

  11. Dowel

    Dowel

    Dowel for sealing the coolant supply via the collar (Form B)

  12. HG cone wiper

    HG cone wiper

    For cleaning tool holder ID of High-Precision Chucks
Version HG 02
Ø D [inch]1.38
Clamping Ø [inch]0.39 - 0.57
Order No. Gage length A in inch    
40.620.02 BT40 High-Precision Chuck short Pictogram
short, 2.76 inch
DXF
 Step
Add item to wishlist Add item to wishlist Item already on wishlist
Accessory
  1. Pull studs

    Pull studs

    Available in different versions

  2. Balancing rings

    Balancing rings

    For fine-balancing of all tool holders with cylindrical outer diameter

  3. Pull-out hook

    Pull-out hook

    For removing HG Collets out of High-Precision Chucks

  4. Torque wrench Mini HG

    Torque wrench Mini HG

    For highest clamping and repeatability when tightning Collets for HG Mini Extentions (pre-adjusted)

  5. Cool Jet

    Cool Jet

    Upgrade of Cool Jet bores on HG Collets
    Order No.: 91.100.24

  6. HG Collets

    HG Collets

    For clamping tools with cylindrical shank with utmost precision in High-Precision Chucks

  7. HG Mini Collets

    HG Mini Collets

    HG Mini Collets for HG Mini Extentions

  8. HG Mini Extentions

    HG Mini Extentions

    For clamping tools with small diameters in High-Precision Chucks and Collet Chucks Type ER and Power Collet

  9. Coolant bores

    Coolant bores

    Upgrade of coolant bores on Face Mill Arbors and Combination Shell End Mill Arbors
    Order No.: 91.100.03

  10. Clamping screw

    Clamping screw

    For High-Precision Chucks

  11. Dowel

    Dowel

    Dowel for sealing the coolant supply via the collar (Form B)

  12. Balancing screws

    Balancing screws

    For fine-balancing of all tool holders with balancing threads M6

  13. Lubricating paste

    Lubricating paste

    Lubricating paste for HG Collets

  14. HG cone wiper

    HG cone wiper

    For cleaning tool holder ID of High-Precision Chucks
40.621.02 BT40 High-Precision Chuck long Pictogram
long, 3.94 inch
DXF
 Step
Add item to wishlist Add item to wishlist Item already on wishlist
Accessory
  1. Pull studs

    Pull studs

    Available in different versions

  2. Balancing rings

    Balancing rings

    For fine-balancing of all tool holders with cylindrical outer diameter

  3. Pull-out hook

    Pull-out hook

    For removing HG Collets out of High-Precision Chucks

  4. Torque wrench Mini HG

    Torque wrench Mini HG

    For highest clamping and repeatability when tightning Collets for HG Mini Extentions (pre-adjusted)

  5. Cool Jet

    Cool Jet

    Upgrade of Cool Jet bores on HG Collets
    Order No.: 91.100.24

  6. HG Mini Collets

    HG Mini Collets

    HG Mini Collets for HG Mini Extentions

  7. HG Collets

    HG Collets

    For clamping tools with cylindrical shank with utmost precision in High-Precision Chucks

  8. HG Mini Extentions

    HG Mini Extentions

    For clamping tools with small diameters in High-Precision Chucks and Collet Chucks Type ER and Power Collet

  9. Lubricating paste

    Lubricating paste

    Lubricating paste for HG Collets

  10. Clamping screw

    Clamping screw

    For High-Precision Chucks

  11. HG cone wiper

    HG cone wiper

    For cleaning tool holder ID of High-Precision Chucks

  12. Dowel

    Dowel

    Dowel for sealing the coolant supply via the collar (Form B)
Version HG 03
Ø D [inch]1.89
Clamping Ø [inch]0.63 - 0.79
Order No. Gage length A in inch    
40.620.03 BT40 High-Precision Chuck short Pictogram
short, 2.95 inch
DXF
 Step
Add item to wishlist Add item to wishlist Item already on wishlist
Accessory
  1. Pull studs

    Pull studs

    Available in different versions

  2. Balancing rings

    Balancing rings

    For fine-balancing of all tool holders with cylindrical outer diameter

  3. Pull-out hook

    Pull-out hook

    For removing HG Collets out of High-Precision Chucks

  4. Torque wrench Mini HG

    Torque wrench Mini HG

    For highest clamping and repeatability when tightning Collets for HG Mini Extentions (pre-adjusted)

  5. Cool Jet

    Cool Jet

    Upgrade of Cool Jet bores on HG Collets
    Order No.: 91.100.24

  6. HG Collets

    HG Collets

    For clamping tools with cylindrical shank with utmost precision in High-Precision Chucks

  7. HG Mini Collets

    HG Mini Collets

    HG Mini Collets for HG Mini Extentions

  8. HG Mini Extentions

    HG Mini Extentions

    For clamping tools with small diameters in High-Precision Chucks and Collet Chucks Type ER and Power Collet

  9. Coolant bores

    Coolant bores

    Upgrade of coolant bores on Face Mill Arbors and Combination Shell End Mill Arbors
    Order No.: 91.100.03

  10. Clamping screw

    Clamping screw

    For High-Precision Chucks

  11. Dowel

    Dowel

    Dowel for sealing the coolant supply via the collar (Form B)

  12. Balancing screws

    Balancing screws

    For fine-balancing of all tool holders with balancing threads M6

  13. Lubricating paste

    Lubricating paste

    Lubricating paste for HG Collets

  14. HG cone wiper

    HG cone wiper

    For cleaning tool holder ID of High-Precision Chucks
40.621.03 BT40 High-Precision Chuck long Pictogram
long, 3.94 inch
DXF
 Step
Add item to wishlist Add item to wishlist Item already on wishlist
Accessory
  1. Pull studs

    Pull studs

    Available in different versions

  2. Balancing rings

    Balancing rings

    For fine-balancing of all tool holders with cylindrical outer diameter

  3. Pull-out hook

    Pull-out hook

    For removing HG Collets out of High-Precision Chucks

  4. Torque wrench Mini HG

    Torque wrench Mini HG

    For highest clamping and repeatability when tightning Collets for HG Mini Extentions (pre-adjusted)

  5. Cool Jet

    Cool Jet

    Upgrade of Cool Jet bores on HG Collets
    Order No.: 91.100.24

  6. HG Mini Collets

    HG Mini Collets

    HG Mini Collets for HG Mini Extentions

  7. HG Collets

    HG Collets

    For clamping tools with cylindrical shank with utmost precision in High-Precision Chucks

  8. HG Mini Extentions

    HG Mini Extentions

    For clamping tools with small diameters in High-Precision Chucks and Collet Chucks Type ER and Power Collet

  9. Lubricating paste

    Lubricating paste

    Lubricating paste for HG Collets

  10. Clamping screw

    Clamping screw

    For High-Precision Chucks

  11. Dowel

    Dowel

    Dowel for sealing the coolant supply via the collar (Form B)

  12. HG cone wiper

    HG cone wiper

    For cleaning tool holder ID of High-Precision Chucks
Product wishlist