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BT30 Collet Chuck Typ ER

Certificate of Quality

  • Chuck body fine balanced U < 1 gmm
  • All functional surfaces fine machined
  • Taper tolerance AT3
  • Coolant supply form JD
Your current product selection:
BT30 Collet Chuck Typ ER

Collet Chuck Type ER
JIS B 6339-2 · BT30

Certificate of Quality

  • Chuck body fine balanced U < 1 gmm
  • All functional surfaces fine machined
  • Taper tolerance AT3
  • Coolant supply form JD

Collet Chuck Type ER
JIS B 6339-2 · BT30

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

JIS B 6339-2 BT30.

  • Included in delivery: Locknut type HS (Fine balanced, with slide coating for higher clamping forces)
  • 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

BT30 Collet Chuck Typ ER Technical Drawing

Please select your clamping diameter:

Version ER 11
Ø D [inch]0.75
Clamping range [inch]0.02 - 0.28
L [inch]1.04
Order No. Gage length A in inch    
30.525.11 BT30 Collet Chuck Standard ultra short Pictogram
ultra short, 1.97 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. 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

  3. ER Collets

    ER Collets

    High precision collets for all Collet Chucks Typ ER

  4. HG Mini Collets

    HG Mini Collets

    HG Mini Collets for HG Mini Extentions

  5. HG Mini Extentions

    HG Mini Extentions

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

  6. Back up screws for Collet Chucks

    Back up screws for Collet Chucks

    Available in different versions

  7. Locknut ER

    Locknut ER

    Locknut pre-balanced

  8. Locknut ER (HS-Version)

    Locknut ER (HS-Version)

    Locknut fine-balanced

  9. Balancing screws

    Balancing screws

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

  10. Reduction Sleeves for Mechanical Chucks

    For clamping small shanks in chucks with diameter 8 mm ID`s
30.520.11 BT30 Collet Chuck Standard short Pictogram
short, 2.36 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. 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

  3. ER Collets

    ER Collets

    High precision collets for all Collet Chucks Typ ER

  4. HG Mini Collets

    HG Mini Collets

    HG Mini Collets for HG Mini Extentions

  5. HG Mini Extentions

    HG Mini Extentions

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

  6. Back up screws for Collet Chucks

    Back up screws for Collet Chucks

    Available in different versions

  7. Locknut ER

    Locknut ER

    Locknut pre-balanced

  8. Locknut ER (HS-Version)

    Locknut ER (HS-Version)

    Locknut fine-balanced

  9. Balancing screws

    Balancing screws

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

  10. Reduction Sleeves for Mechanical Chucks

    For clamping small shanks in chucks with diameter 8 mm ID`s
30.521.11 BT30 Collet Chuck Standard 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. 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

  3. ER Collets

    ER Collets

    High precision collets for all Collet Chucks Typ ER

  4. HG Mini Collets

    HG Mini Collets

    HG Mini Collets for HG Mini Extentions

  5. HG Mini Extentions

    HG Mini Extentions

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

  6. Back up screws for Collet Chucks

    Back up screws for Collet Chucks

    Available in different versions

  7. Locknut ER

    Locknut ER

    Locknut pre-balanced

  8. Locknut ER (HS-Version)

    Locknut ER (HS-Version)

    Locknut fine-balanced

  9. Balancing screws

    Balancing screws

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

  10. Reduction Sleeves for Mechanical Chucks

    For clamping small shanks in chucks with diameter 8 mm ID`s
Version ER 16
Ø D [inch]1.10
Clamping range [inch]0.02 - 0.39
L [inch]1.28
Order No. Gage length A in inch    
30.525.16 BT30 Collet Chuck Standard ultra short Pictogram
ultra short, 1.97 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. 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

  3. ER Collets

    ER Collets

    High precision collets for all Collet Chucks Typ ER

  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. Back up screws for Collet Chucks

    Back up screws for Collet Chucks

    Available in different versions

  8. Locknut ER

    Locknut ER

    Locknut pre-balanced

  9. Locknut ER (HS-Version)

    Locknut ER (HS-Version)

    Locknut fine-balanced

  10. Balancing screws

    Balancing screws

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

  11. Reduction Sleeves for Mechanical Chucks

    For clamping small shanks in chucks with diameter 8 mm ID`s
30.520.16 BT30 Collet Chuck Standard short Pictogram
short, 2.36 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. 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

  3. ER Collets

    ER Collets

    High precision collets for all Collet Chucks Typ ER

  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. Back up screws for Collet Chucks

    Back up screws for Collet Chucks

    Available in different versions

  8. Locknut ER

    Locknut ER

    Locknut pre-balanced

  9. Locknut ER (HS-Version)

    Locknut ER (HS-Version)

    Locknut fine-balanced

  10. Balancing screws

    Balancing screws

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

  11. Reduction Sleeves for Mechanical Chucks

    For clamping small shanks in chucks with diameter 8 mm ID`s
30.523.16 BT30 Collet Chuck Standard ZG80 Pictogram
ZG80, 3.15 inch
DXF
 Step
Add item to wishlist Add item to wishlist Item already on wishlist
30.528.16 BT30 Collet Chuck Standard ZG90 Pictogram
ZG90, 3.54 inch
DXF
 Step
Add item to wishlist Add item to wishlist Item already on wishlist
30.521.16 BT30 Collet Chuck Standard 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. 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

  3. ER Collets

    ER Collets

    High precision collets for all Collet Chucks Typ ER

  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. Back up screws for Collet Chucks

    Back up screws for Collet Chucks

    Available in different versions

  8. Locknut ER

    Locknut ER

    Locknut pre-balanced

  9. Locknut ER (HS-Version)

    Locknut ER (HS-Version)

    Locknut fine-balanced

  10. Balancing screws

    Balancing screws

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

  11. Reduction Sleeves for Mechanical Chucks

    For clamping small shanks in chucks with diameter 8 mm ID`s
Version ER 20
Ø D [inch]1.34
Clamping range [inch]0.04 - 0.51
L [inch]1.51
Order No. Gage length A in inch    
30.525.20 BT30 Collet Chuck Standard ultra short Pictogram
ultra short, 1.97 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. 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

  3. ER Collets

    ER Collets

    High precision collets for all Collet Chucks Typ ER

  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. Back up screws for Collet Chucks

    Back up screws for Collet Chucks

    Available in different versions

  8. Locknut ER

    Locknut ER

    Locknut pre-balanced

  9. Locknut ER (HS-Version)

    Locknut ER (HS-Version)

    Locknut fine-balanced

  10. Balancing screws

    Balancing screws

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

  11. Reduction Sleeves for Mechanical Chucks

    For clamping small shanks in chucks with diameter 8 mm ID`s
30.520.20 BT30 Collet Chuck Standard short Pictogram
short, 2.36 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. 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

  3. ER Collets

    ER Collets

    High precision collets for all Collet Chucks Typ ER

  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. Back up screws for Collet Chucks

    Back up screws for Collet Chucks

    Available in different versions

  8. Locknut ER

    Locknut ER

    Locknut pre-balanced

  9. Locknut ER (HS-Version)

    Locknut ER (HS-Version)

    Locknut fine-balanced

  10. Balancing screws

    Balancing screws

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

  11. Reduction Sleeves for Mechanical Chucks

    For clamping small shanks in chucks with diameter 8 mm ID`s
30.523.20 BT30 Collet Chuck Standard ZG80 Pictogram
ZG80, 3.15 inch
DXF
 Step
Add item to wishlist Add item to wishlist Item already on wishlist
30.528.20 BT30 Collet Chuck Standard ZG90 Pictogram
ZG90, 3.54 inch
DXF
 Step
Add item to wishlist Add item to wishlist Item already on wishlist
30.521.20 BT30 Collet Chuck Standard 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. 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

  3. ER Collets

    ER Collets

    High precision collets for all Collet Chucks Typ ER

  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. Back up screws for Collet Chucks

    Back up screws for Collet Chucks

    Available in different versions

  8. Locknut ER

    Locknut ER

    Locknut pre-balanced

  9. Locknut ER (HS-Version)

    Locknut ER (HS-Version)

    Locknut fine-balanced

  10. Balancing screws

    Balancing screws

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

  11. Reduction Sleeves for Mechanical Chucks

    For clamping small shanks in chucks with diameter 8 mm ID`s
Version ER 25
Ø D [inch]1.65
Clamping range [inch]0.04 - 0.63
L [inch]1.61
Order No. Gage length A in inch    
30.520.25 BT30 Collet Chuck Standard short Pictogram
short, 2.36 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. 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

  3. Clamping wrench for ER locknuts

    Clamping wrench for ER locknuts

    Wrench for locknuts ER 25 - ER 40

  4. ER Collets

    ER Collets

    High precision collets for all Collet Chucks Typ ER

  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. Back up screws for Collet Chucks

    Back up screws for Collet Chucks

    Available in different versions

  8. Locknut ER

    Locknut ER

    Locknut pre-balanced

  9. Locknut ER (HS-Version)

    Locknut ER (HS-Version)

    Locknut fine-balanced

  10. Balancing screws

    Balancing screws

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

  11. Reduction Sleeves for Mechanical Chucks

    For clamping small shanks in chucks with diameter 8 mm ID`s
30.523.25 BT30 Collet Chuck Standard ZG80 Pictogram
ZG80, 3.15 inch
DXF
 Step
Add item to wishlist Add item to wishlist Item already on wishlist
30.528.25 BT30 Collet Chuck Standard ZG90 Pictogram
ZG90, 3.54 inch
DXF
 Step
Add item to wishlist Add item to wishlist Item already on wishlist
30.521.25 BT30 Collet Chuck Standard 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. 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

  3. Clamping wrench for ER locknuts

    Clamping wrench for ER locknuts

    Wrench for locknuts ER 25 - ER 40

  4. ER Collets

    ER Collets

    High precision collets for all Collet Chucks Typ ER

  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. Back up screws for Collet Chucks

    Back up screws for Collet Chucks

    Available in different versions

  8. Locknut ER

    Locknut ER

    Locknut pre-balanced

  9. Locknut ER (HS-Version)

    Locknut ER (HS-Version)

    Locknut fine-balanced

  10. Balancing screws

    Balancing screws

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

  11. Reduction Sleeves for Mechanical Chucks

    For clamping small shanks in chucks with diameter 8 mm ID`s
Version ER 32
Ø D [inch]1.97
Clamping range [inch]0.06 - 0.79
L [inch]2.05
Order No. Gage length A in inch    
30.525.32 BT30 Collet Chuck Standard ultra short Pictogram
ultra short, 2.36 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. 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

  3. ER Collets

    ER Collets

    High precision collets for all Collet Chucks Typ ER

  4. HG Mini Collets

    HG Mini Collets

    HG Mini Collets for HG Mini Extentions

  5. HG Mini Extentions

    HG Mini Extentions

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

  6. Back up screws for Collet Chucks

    Back up screws for Collet Chucks

    Available in different versions

  7. Locknut ER

    Locknut ER

    Locknut pre-balanced

  8. Locknut ER (HS-Version)

    Locknut ER (HS-Version)

    Locknut fine-balanced

  9. Balancing screws

    Balancing screws

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

  10. Reduction Sleeves for Mechanical Chucks

    For clamping small shanks in chucks with diameter 8 mm ID`s
Product wishlist