Collet Nuts & Wrenches

1. Has an internal thread of 22mm X 1.5 pitch

2. Balanced to 20000rpm at G2.5

3. Outside diameter is 1-7/64" (28mm)

4. Outside hex for tightening is 63/64"(25mm) across flats

5. ER16-Wrench works on this collet nut

1. ER25 Collet Nut has an internal thread of M32 X 1.5 pitch

2. Outside diameter is 1-21/32" (42mm)

3. ER25 Collet Nut holds all ER25 collets

4. ER25-Wrench works on this collet nut

5. Balanced to 20000rpm at G2.5

1. ER32 Collet Nut has an internal thread of M40 X 1.5 pitch

2. Outside diameter is 1-31/32" (50mm)

3. ER32 Collet Nut holds all ER32 collets

4. ER32-Wrench works on this collet nut

1. ER40 Collet Nut has an internal thread of M50 X 1.5 pitch

2. Outside diameter is 2-31/64" (63mm)

3. ER40 Collet Nut holds all ER40 collets

4. ER40-Wrench works on this collet nut

5. Balanced to 20000rpm at G2.5

1. ER25UM Collet Nut has an internal thread of M32 X 1.5 pitch

2. Outside diameter is 1.65" (42mm)

3. ER25UM Collet Nut holds all ER25 collets

4. ER25UM Wrench works on this collet nut

5. Balanced to 20000rpm at G2.5

6. Material: 20CrMnTi.

7. Made from alloy steel hardened to 50-53HRC

1. ER40 Collet Nut has an internal thread of M50 X 1.5 pitch

2. Outside diameter is 2.48" (63mm)

3. ER40 Collet Nut holds all ER40 collets

4. ER40-Wrench works on this collet nut

5. Balanced to 20000rpm at G2.5

6. Material: 20CrMnTi.

7. Made from alloy steel hardened to 50-53 HRC

1. ER32 Collet Nut has an internal thread of M40 X 1.5 pitch

2. Outside diameter is1.97" (50mm)

3. ER32 Collet Nut holds all ER32 collets

4. ER32-Wrench works on this collet nut

5. Balanced to 20000rpm at G2.5

6. Material: 20CrMnTi.

7. Made from alloy steel hardened to 50-53 HRC

1. ER20UM Collet Nut has an internal thread of M25 X 1.5 pitch

2. Outside diameter is  1.37" (35mm)

3. ER20UM Collet Nut holds all ER20 collets

4. ER20-Wrench works on this collet nut

5. Balanced to 20000rpm at G2.5

6. Material: 20CrMnTi.

7. Made from alloy steel hardened to 50-53 HRC

1. ER16UM Collet Nut has an internal thread of M22 X 1.5 pitch

2. Outside diameter is  1.30" ( 32 mm )

3. ER16UM Collet Nut holds all ER16 collets

4. ER16-Wrench works on this collet nut

5. Balanced to 20000rpm at G2.5

6. Material: 20CrMnTi.

7. Made from alloy steel hardened to 50-53 HRC

1. ER25M Collet Nut has an internal thread of M30 X 1.0 pitch

2. Outside diameter is  1.37" ( 35 mm )

3. ER25M Collet Nut holds all ER25 collets

4. ER25M-Wrench works on this collet nut

5. Balanced to 20000rpm at G2.5

6. Material: 20CrMnTi.

7. Made from alloy steel hardened to 50-53 HRC

1. ER20M Collet Nut has an internal thread of M24 X 1.0 pitch

2. Outside diameter is  1.10"(28mm)

3. ER20M Collet Nut holds all ER20 collets

4. ER20M-Wrench works on this collet nut

5. Balanced to 20000rpm at G2.5

6. Material: 20 CrMnTi.

7. Made from alloy steel hardened to 50-53 HRC

1. ER16M Collet Nut has an internal thread of M19 X 1.0 pitch

2. Outside diameter is  0.87" (22mm)

3. ER16M Collet Nut holds all ER16 collets

4. ER16M-Wrench works on this collet nut

5. Balanced to 20000rpm at G2.5

6. Material: 20CrMnTi.

7. Made from alloy steel hardened to 50-53 HRC

1. ER11M Collet Nut has an internal thread of M13 X 0.75 pitch

2. Outside diameter is  0.63"(16mm)

3. ER11M Collet Nut holds all ER11 collets

4. ER11M-Wrench works on this collet nut

5. Balanced to 20000rpm at G2.5

6. Material: 20CrMnTi.

7. Made from alloy steel hardened to 50-53 HRC

1. ER8M Collet Nut has an internal thread of M10 X 0.75 pitch

2. Outside diameter is  0.47" (12 mm)

3. ER8M Collet Nut holds all ER11 collets

4. ER8M-Wrench works on this collet nut

5. Balanced to 20000rpm at G2.5

6. Material: 20CrMnTi.

7. Made from alloy steel hardened to 50-53 HRC

1. ER11A Collet Nut has an internal thread of M14 X 0.75 pitch

2. Outside diameter is  0.75" (19 mm)

3. ER11A Collet Nut holds all ER11 collets

4. ER11A-Wrench works on this collet nut

5. Balanced to 20000rpm at G2.5

6. Material: 20CrMnTi.

7. Made from alloy steel hardened to 50-53 HRC

1. ER16A Collet Nut has an internal thread of M22 X 1.5 pitch

2. Outside diameter is  1.10" (28 mm)

3. ER16A Collet Nut holds all ER16 collets

4. ER16A-Wrench works on this collet nut

5. Balanced to 20000rpm at G2.5

6. Material: 20CrMnTi.

7. Made from alloy steel hardened to 50-53 HRC

1. ER20A collet nut has an internal thread of M25 x 1.5

2. Outside diameter is 1.33" (34mm)

3. ER20A collet nut holds all ER16 collets

4. ER20A Wrench works on this collet nut

5. Balanced to 20000rpm at G2.5

6. Material: 20CrMnTi

7. Made from alloy steel hardened to 50-53HRC

• Apply to ER32UM NUT.
• The ER nut adopts open end or annular groove design. Fix accurately and avoid skidding.
• High quality medium carbon steel is adopted as materials of spanner head. The surface hardness of spanner is higher than ER Nut reaching HRC58-62 to be durable.
• Blackening the surface of the spanner and installing the rubber handle after chroming gives it a delicate appearance and a comfortable feel.
• Each batch of products would be sampled for toque testing to ensure the safety.

1. Holds all ER25 collets

2. Made from alloy steel hardened to 48-52rc

3. Has an id thread of 30mm X 1 pitch

4. Outside diameter is 1.378" (35mm)

1. Holds all ER20 collets

2. Made from alloy steel hardened to 48-52rc

3. Has an id thread of 24mm X 1 pitch

4. Outside diameter is 1.102" (28mm)

1. Holds all ER16 collets

2. Made from alloy steel hardened to 48-52rc

3. Has an id thread of 19mm X 1 pitch

4. Outside diameter is 0.866" (22mm)

1. Holds all ER11 collets

2. Made from alloy steel hardened to 48-52rc

3. Has an id thread of 13mm X .75 pitch

4. Outside diameter is 0.630" (16mm)

1. Hardness: HRC40-45

2. Material: 45# steel

3. Black oxide surface

4. Collet nut diameter: 2.48"

5. Thread size: M50 x 1.5

• Apply to ER40UM NUT.
• The ER nut adopts open end or annular groove design. Fix accurately and avoid skidding.
• High quality medium carbon steel is adopted as materials of spanner head. The surface hardness of spanner is higher than ER Nut reaching HRC58-62 to be durable.
• Blackening the surface of the spanner and installing the rubber handle after chroming gives it a delicate appearance and a comfortable feel.
• Each batch of products would be sampled for toque testing to ensure the safety.

• Apply to BT40 retention knob CNC pull stud MAS403-1982 Japanese Standard.
• The Pull Stud Spanner won't damage the pull studs. Avoid skidding and accidents.
• High quality medium carbon steel is adopted as materials of spanner head. The surface hardness of spanner is higher than pull studs reaching HRC58-62 to be durable.
• Blackening the surface of the spanner and installing the rubber handle after chroming gives it a delicate appearance and a comfortable feel.
• Each batch of products would be sampled for toque testing to ensure the safety.

• Apply to BT50 retention knob CNC pull stud MAS403-1982 Japanese Standard.
• The Pull Stud Spanner won't damage the pull studs. Avoid skidding and accidents.
• High quality medium carbon steel is adopted as materials of spanner head. The surface hardness of spanner is higher than pull studs reaching HRC58-62 to be durable.
• Blackening the surface of the spanner and installing the rubber handle after chroming gives it a delicate appearance and a comfortable feel.
• Each batch of products would be sampled for toque testing to ensure the safety.

1. Manufactured out of a high quality 40CrMo for easy use and durability
2. Coolant pipe with 2 sealing rings, Special O-ring up to 120 bar, angular movement ±1°, polished
3. Prevent spindle damage.
4. Special heat treatment is carried out on the superluminescent surface.

• Manufactured out of a high quality 40CrMo for easy use and durability
• Wrench has two prongs to easily grip coolant tube for easy installation
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• Apply to CAT50 45 degree retention knob CNC pull stud ASME B5.50 2015 standard.
• The Pull Stud Spanner won't damage the pull studs. Avoid skidding and accidents.
• High quality medium carbon steel is adopted as materials of spanner head. The surface hardness of spanner is higher than pull studs reaching HRC58-62 to be durable.
• Blackening the surface of the spanner and installing the rubber handle after chroming gives it a delicate appearance and a comfortable feel.
• Each batch of products would be sampled for toque testing to ensure the safety.