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SK40 Collet Chuck Type ER

Certificate of Quality

  • Chuck body fine balanced G2.5 at 22.000 rpm
  • All functional surfaces fine machined
  • Taper tolerance AT3
  • Coolant supply form AD/AF
Your current product selection:
SK40 Collet Chuck Type ER

Collet Chuck Type ER
DIN ISO 7388-1 SK40 (formerly DIN 69871)

Certificate of Quality

  • Chuck body fine balanced G2.5 at 22.000 rpm
  • All functional surfaces fine machined
  • Taper tolerance AT3
  • Coolant supply form AD/AF

Collet Chuck Type ER
DIN ISO 7388-1 SK40 (formerly DIN 69871)

For clamping tools with cylindrical shank in ER collets according to ISO 15488.

With steep taper SK40 form AD/AF DIN ISO 7388-1 (formerly DIN 69871). 
Form AD/AF means: Central coolant supply and coolant channels on the collar which can be sealed again.

  • Included in delivery: Locknut (balanced, with slide coating for higher clamping forces)
  • Locknut type HS (High-Speed, fine balanced, with slide coating for higher clamping forces) for an extra charge
  • Enlarging of size L upon request

Technical data subjects to change without prior notice.

Features Collet Chuck Typ ER

The most important features:

  • 1. Fine balanced G2.5 at 25,000 rpm
  • 2. All functional surfaces grinded
  • 3. Fine balanced ER nut
  • 4. High runout accuracy
Features Collet Chuck Typ ER

The most important features:

  • 1. Fine balanced G2.5 at 25,000 rpm
  • 2. All functional surfaces grinded
  • 3. Fine balanced ER nut
  • 4. High runout accuracy

Technical drawing

SK40 Collet Chuck Type ER Technical Drawing

Please select your clamping diameter:

Version ER 16
Ø D [mm]28
Clamping range [mm]0,5 - 10,0
L [mm] short-
L [mm]-
Order No. Gage length A in mm    
40.320.16 SK40 Collet Chuck Standard short Pictogram
short, 70.00 mm

Also suitable for ANSI-CAT
L = drilled through
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. ER Collets

    ER Collets

    High precision collets for all Collet Chucks Typ ER

  4. Torque wrench

    Torque wrench

    For highest clamping and repeatability when tightning Standard-ER and Power Collets (Inserts for torque wrench additionally required)
    Order No.: 84.600.00

  5. Flat wrench for ER locknuts

    Flat wrench for ER locknuts

    Wrench for locknuts ER 11, ER 16, ER 20

  6. HG Mini Collets

    HG Mini Collets

    HG Mini Collets for HG Mini Extentions

  7. HG Mini Extentions

    HG Mini Extentions

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

  8. Locknut ER

    Locknut ER

    Locknut pre-balanced

  9. Locknut ER (HS-Version)

    Locknut ER (HS-Version)

    Locknut fine-balanced

  10. Dowel

    Dowel

    Dowel for sealing the coolant supply via the collar (Form B)
40.321.16 SK40 Collet Chuck Standard long Pictogram
long, 100.00 mm

Also suitable for ANSI-CAT
L = drilled through
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. ER Collets

    ER Collets

    High precision collets for all Collet Chucks Typ ER

  4. Torque wrench

    Torque wrench

    For highest clamping and repeatability when tightning Standard-ER and Power Collets (Inserts for torque wrench additionally required)
    Order No.: 84.600.00

  5. Flat wrench for ER locknuts

    Flat wrench for ER locknuts

    Wrench for locknuts ER 11, ER 16, ER 20

  6. HG Mini Collets

    HG Mini Collets

    HG Mini Collets for HG Mini Extentions

  7. HG Mini Extentions

    HG Mini Extentions

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

  8. Locknut ER

    Locknut ER

    Locknut pre-balanced

  9. Locknut ER (HS-Version)

    Locknut ER (HS-Version)

    Locknut fine-balanced

  10. Dowel

    Dowel

    Dowel for sealing the coolant supply via the collar (Form B)
40.322.16 SK40 Collet Chuck Standard oversize Pictogram
oversize, 160.00 mm

Also suitable for ANSI-CAT
L = drilled through
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. ER Collets

    ER Collets

    High precision collets for all Collet Chucks Typ ER

  4. Torque wrench

    Torque wrench

    For highest clamping and repeatability when tightning Standard-ER and Power Collets (Inserts for torque wrench additionally required)
    Order No.: 84.600.00

  5. Flat wrench for ER locknuts

    Flat wrench for ER locknuts

    Wrench for locknuts ER 11, ER 16, ER 20

  6. HG Mini Collets

    HG Mini Collets

    HG Mini Collets for HG Mini Extentions

  7. HG Mini Extentions

    HG Mini Extentions

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

  8. Locknut ER

    Locknut ER

    Locknut pre-balanced

  9. Locknut ER (HS-Version)

    Locknut ER (HS-Version)

    Locknut fine-balanced

  10. Dowel

    Dowel

    Dowel for sealing the coolant supply via the collar (Form B)
40.326.16 SK40 Collet Chuck Standard ZG200 Pictogram
ZG200, 200.00 mm

Also suitable for ANSI-CAT
L = drilled through
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. ER Collets

    ER Collets

    High precision collets for all Collet Chucks Typ ER

  4. Torque wrench

    Torque wrench

    For highest clamping and repeatability when tightning Standard-ER and Power Collets (Inserts for torque wrench additionally required)
    Order No.: 84.600.00

  5. Flat wrench for ER locknuts

    Flat wrench for ER locknuts

    Wrench for locknuts ER 11, ER 16, ER 20

  6. HG Mini Collets

    HG Mini Collets

    HG Mini Collets for HG Mini Extentions

  7. HG Mini Extentions

    HG Mini Extentions

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

  8. Locknut ER

    Locknut ER

    Locknut pre-balanced

  9. Locknut ER (HS-Version)

    Locknut ER (HS-Version)

    Locknut fine-balanced

  10. Dowel

    Dowel

    Dowel for sealing the coolant supply via the collar (Form B)
Version ER 20
Ø D [mm]34
Clamping range [mm]1,5 - 13,0
L [mm] short41,5
L [mm]41
Order No. Gage length A in mm    
40.320.20 SK40 Collet Chuck Standard short Pictogram
short, 70.00 mm

Also suitable for ANSI-CAT
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. ER Collets

    ER Collets

    High precision collets for all Collet Chucks Typ ER

  3. Torque wrench

    Torque wrench

    For highest clamping and repeatability when tightning Standard-ER and Power Collets (Inserts for torque wrench additionally required)
    Order No.: 84.600.00

  4. Flat wrench for ER locknuts

    Flat wrench for ER locknuts

    Wrench for locknuts ER 11, ER 16, ER 20

  5. HG Mini Collets

    HG Mini Collets

    HG Mini Collets for HG Mini Extentions

  6. HG Mini Extentions

    HG Mini Extentions

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

  7. Locknut ER

    Locknut ER

    Locknut pre-balanced

  8. Locknut ER (HS-Version)

    Locknut ER (HS-Version)

    Locknut fine-balanced

  9. Dowel

    Dowel

    Dowel for sealing the coolant supply via the collar (Form B)
40.321.20 SK40 Collet Chuck Standard long Pictogram
long, 100.00 mm

Also suitable for ANSI-CAT
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. ER Collets

    ER Collets

    High precision collets for all Collet Chucks Typ ER

  3. Torque wrench

    Torque wrench

    For highest clamping and repeatability when tightning Standard-ER and Power Collets (Inserts for torque wrench additionally required)
    Order No.: 84.600.00

  4. Flat wrench for ER locknuts

    Flat wrench for ER locknuts

    Wrench for locknuts ER 11, ER 16, ER 20

  5. HG Mini Collets

    HG Mini Collets

    HG Mini Collets for HG Mini Extentions

  6. HG Mini Extentions

    HG Mini Extentions

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

  7. Locknut ER

    Locknut ER

    Locknut pre-balanced

  8. Locknut ER (HS-Version)

    Locknut ER (HS-Version)

    Locknut fine-balanced

  9. Dowel

    Dowel

    Dowel for sealing the coolant supply via the collar (Form B)
Version ER 25
Ø D [mm]42
Clamping range [mm]1,0 - 16,0
L [mm] short62
L [mm]57
Order No. Gage length A in mm    
40.320.25 SK40 Collet Chuck Standard short Pictogram
short, 70.00 mm

Also suitable for ANSI-CAT
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. Clamping wrench for ER locknuts

    Clamping wrench for ER locknuts

    Wrench for locknuts ER 25 - ER 40

  3. ER Collets

    ER Collets

    High precision collets for all Collet Chucks Typ ER

  4. Torque wrench

    Torque wrench

    For highest clamping and repeatability when tightning Standard-ER and Power Collets (Inserts for torque wrench additionally required)
    Order No.: 84.600.00

  5. HG Mini Collets

    HG Mini Collets

    HG Mini Collets for HG Mini Extentions

  6. HG Mini Extentions

    HG Mini Extentions

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

  7. Locknut ER

    Locknut ER

    Locknut pre-balanced

  8. Locknut ER (HS-Version)

    Locknut ER (HS-Version)

    Locknut fine-balanced

  9. Dowel

    Dowel

    Dowel for sealing the coolant supply via the collar (Form B)
40.321.25 SK40 Collet Chuck Standard long Pictogram
long, 100.00 mm

Also suitable for ANSI-CAT
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. Clamping wrench for ER locknuts

    Clamping wrench for ER locknuts

    Wrench for locknuts ER 25 - ER 40

  3. ER Collets

    ER Collets

    High precision collets for all Collet Chucks Typ ER

  4. Torque wrench

    Torque wrench

    For highest clamping and repeatability when tightning Standard-ER and Power Collets (Inserts for torque wrench additionally required)
    Order No.: 84.600.00

  5. HG Mini Collets

    HG Mini Collets

    HG Mini Collets for HG Mini Extentions

  6. HG Mini Extentions

    HG Mini Extentions

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

  7. Locknut ER

    Locknut ER

    Locknut pre-balanced

  8. Locknut ER (HS-Version)

    Locknut ER (HS-Version)

    Locknut fine-balanced

  9. Dowel

    Dowel

    Dowel for sealing the coolant supply via the collar (Form B)
40.322.25 SK40 Collet Chuck Standard oversize Pictogram
oversize, 160.00 mm

Also suitable for ANSI-CAT
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. Clamping wrench for ER locknuts

    Clamping wrench for ER locknuts

    Wrench for locknuts ER 25 - ER 40

  3. ER Collets

    ER Collets

    High precision collets for all Collet Chucks Typ ER

  4. Torque wrench

    Torque wrench

    For highest clamping and repeatability when tightning Standard-ER and Power Collets (Inserts for torque wrench additionally required)
    Order No.: 84.600.00

  5. HG Mini Collets

    HG Mini Collets

    HG Mini Collets for HG Mini Extentions

  6. HG Mini Extentions

    HG Mini Extentions

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

  7. Locknut ER

    Locknut ER

    Locknut pre-balanced

  8. Locknut ER (HS-Version)

    Locknut ER (HS-Version)

    Locknut fine-balanced

  9. Dowel

    Dowel

    Dowel for sealing the coolant supply via the collar (Form B)
40.326.25 SK40 Collet Chuck Standard ZG200 Pictogram
ZG200, 200.00 mm

Also suitable for ANSI-CAT
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. Clamping wrench for ER locknuts

    Clamping wrench for ER locknuts

    Wrench for locknuts ER 25 - ER 40

  3. ER Collets

    ER Collets

    High precision collets for all Collet Chucks Typ ER

  4. Torque wrench

    Torque wrench

    For highest clamping and repeatability when tightning Standard-ER and Power Collets (Inserts for torque wrench additionally required)
    Order No.: 84.600.00

  5. HG Mini Collets

    HG Mini Collets

    HG Mini Collets for HG Mini Extentions

  6. HG Mini Extentions

    HG Mini Extentions

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

  7. Locknut ER

    Locknut ER

    Locknut pre-balanced

  8. Locknut ER (HS-Version)

    Locknut ER (HS-Version)

    Locknut fine-balanced

  9. Dowel

    Dowel

    Dowel for sealing the coolant supply via the collar (Form B)
Version ER 32
Ø D [mm]50
Clamping range [mm]1,5 - 20,0
L [mm] short64
L [mm]64
Order No. Gage length A in mm    
40.320.32 SK40 Collet Chuck Standard short Pictogram
short, 70.00 mm
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. Clamping wrench for ER locknuts

    Clamping wrench for ER locknuts

    Wrench for locknuts ER 25 - ER 40

  3. ER Collets

    ER Collets

    High precision collets for all Collet Chucks Typ ER

  4. Torque wrench

    Torque wrench

    For highest clamping and repeatability when tightning Standard-ER and Power Collets (Inserts for torque wrench additionally required)
    Order No.: 84.600.00

  5. HG Mini Collets

    HG Mini Collets

    HG Mini Collets for HG Mini Extentions

  6. HG Mini Extentions

    HG Mini Extentions

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

  7. Locknut ER

    Locknut ER

    Locknut pre-balanced

  8. Locknut ER (HS-Version)

    Locknut ER (HS-Version)

    Locknut fine-balanced

  9. Dowel

    Dowel

    Dowel for sealing the coolant supply via the collar (Form B)
40.321.32 SK40 Collet Chuck Standard long Pictogram
long, 100.00 mm
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. Clamping wrench for ER locknuts

    Clamping wrench for ER locknuts

    Wrench for locknuts ER 25 - ER 40

  3. ER Collets

    ER Collets

    High precision collets for all Collet Chucks Typ ER

  4. Torque wrench

    Torque wrench

    For highest clamping and repeatability when tightning Standard-ER and Power Collets (Inserts for torque wrench additionally required)
    Order No.: 84.600.00

  5. HG Mini Collets

    HG Mini Collets

    HG Mini Collets for HG Mini Extentions

  6. HG Mini Extentions

    HG Mini Extentions

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

  7. Locknut ER

    Locknut ER

    Locknut pre-balanced

  8. Locknut ER (HS-Version)

    Locknut ER (HS-Version)

    Locknut fine-balanced

  9. Dowel

    Dowel

    Dowel for sealing the coolant supply via the collar (Form B)
40.322.32 SK40 Collet Chuck Standard oversize Pictogram
oversize, 160.00 mm
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. Clamping wrench for ER locknuts

    Clamping wrench for ER locknuts

    Wrench for locknuts ER 25 - ER 40

  3. ER Collets

    ER Collets

    High precision collets for all Collet Chucks Typ ER

  4. Torque wrench

    Torque wrench

    For highest clamping and repeatability when tightning Standard-ER and Power Collets (Inserts for torque wrench additionally required)
    Order No.: 84.600.00

  5. HG Mini Collets

    HG Mini Collets

    HG Mini Collets for HG Mini Extentions

  6. HG Mini Extentions

    HG Mini Extentions

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

  7. Locknut ER

    Locknut ER

    Locknut pre-balanced

  8. Locknut ER (HS-Version)

    Locknut ER (HS-Version)

    Locknut fine-balanced

  9. Dowel

    Dowel

    Dowel for sealing the coolant supply via the collar (Form B)
40.326.32 SK40 Collet Chuck Standard ZG200 Pictogram
ZG200, 200.00 mm
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. Clamping wrench for ER locknuts

    Clamping wrench for ER locknuts

    Wrench for locknuts ER 25 - ER 40

  3. ER Collets

    ER Collets

    High precision collets for all Collet Chucks Typ ER

  4. Torque wrench

    Torque wrench

    For highest clamping and repeatability when tightning Standard-ER and Power Collets (Inserts for torque wrench additionally required)
    Order No.: 84.600.00

  5. HG Mini Collets

    HG Mini Collets

    HG Mini Collets for HG Mini Extentions

  6. HG Mini Extentions

    HG Mini Extentions

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

  7. Locknut ER

    Locknut ER

    Locknut pre-balanced

  8. Locknut ER (HS-Version)

    Locknut ER (HS-Version)

    Locknut fine-balanced

  9. Dowel

    Dowel

    Dowel for sealing the coolant supply via the collar (Form B)
Version ER 40
Ø D [mm]63
Clamping range [mm]2,5 - 26,0
L [mm] short73
L [mm]73
Order No. Gage length A in mm    
40.320.40 SK40 Collet Chuck Standard short Pictogram
short, 70.00 mm
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. Clamping wrench for ER locknuts

    Clamping wrench for ER locknuts

    Wrench for locknuts ER 25 - ER 40

  3. ER Collets

    ER Collets

    High precision collets for all Collet Chucks Typ ER

  4. Torque wrench

    Torque wrench

    For highest clamping and repeatability when tightning Standard-ER and Power Collets (Inserts for torque wrench additionally required)
    Order No.: 84.600.00

  5. HG Mini Collets

    HG Mini Collets

    HG Mini Collets for HG Mini Extentions

  6. HG Mini Extentions

    HG Mini Extentions

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

  7. Locknut ER

    Locknut ER

    Locknut pre-balanced

  8. Locknut ER (HS-Version)

    Locknut ER (HS-Version)

    Locknut fine-balanced

  9. Dowel

    Dowel

    Dowel for sealing the coolant supply via the collar (Form B)
40.321.40 SK40 Collet Chuck Standard long Pictogram
long, 100.00 mm
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. Clamping wrench for ER locknuts

    Clamping wrench for ER locknuts

    Wrench for locknuts ER 25 - ER 40

  3. ER Collets

    ER Collets

    High precision collets for all Collet Chucks Typ ER

  4. Torque wrench

    Torque wrench

    For highest clamping and repeatability when tightning Standard-ER and Power Collets (Inserts for torque wrench additionally required)
    Order No.: 84.600.00

  5. HG Mini Collets

    HG Mini Collets

    HG Mini Collets for HG Mini Extentions

  6. HG Mini Extentions

    HG Mini Extentions

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

  7. Locknut ER

    Locknut ER

    Locknut pre-balanced

  8. Locknut ER (HS-Version)

    Locknut ER (HS-Version)

    Locknut fine-balanced

  9. Dowel

    Dowel

    Dowel for sealing the coolant supply via the collar (Form B)
40.322.40 SK40 Collet Chuck Standard oversize Pictogram
oversize, 160.00 mm
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. Clamping wrench for ER locknuts

    Clamping wrench for ER locknuts

    Wrench for locknuts ER 25 - ER 40

  3. ER Collets

    ER Collets

    High precision collets for all Collet Chucks Typ ER

  4. Torque wrench

    Torque wrench

    For highest clamping and repeatability when tightning Standard-ER and Power Collets (Inserts for torque wrench additionally required)
    Order No.: 84.600.00

  5. HG Mini Collets

    HG Mini Collets

    HG Mini Collets for HG Mini Extentions

  6. HG Mini Extentions

    HG Mini Extentions

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

  7. Locknut ER

    Locknut ER

    Locknut pre-balanced

  8. Locknut ER (HS-Version)

    Locknut ER (HS-Version)

    Locknut fine-balanced

  9. Dowel

    Dowel

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