ER Collets & Sets
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ER Collets & Sets

UK's Largest Selection Of High Quality ER Collets For a Wide Range Of Applications! Buy Online Today!

The ER collet system is the most widely used general purpose toolholding system across the world. The Cutwel range of ER collets and collet sets covers a wide range of applications and accuracy levels including high-precision, ultra-precision, coated, sealed and specific ER collets for tapping. Collets are available in the following styles:

• Standard Precision run-out <0.010mm

• High Precision run-out <0.005mm

• High Precision Coated run-out <0.005mm

• Ultra Precision Coated run-out <0.002mm

• Sealed Standard Precision run-out <0.010mm

• Sealed High Precision run-out <0.005mm

• Tapping Collets With Square Drive

• Tapping Collets With Square Drive & Spring Tension

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ER Collets - Standard Type
Available in <0.010mm or <0.005mm Run-Out

 

Sealed ER Collets - Coolant Type
Available in <0.010mm or <0.005mm Run-Out

 

ER Tapping Collets With Square Drive
For Rigid Tapping Applications

 

ER Collet Sets - Standard Type
The UK's Biggest & Best Range Of Collet Sets

 

ER Tapping Collets With Square Drive & Length Compensation
Spring Tension Type

 

The most widely used ER collet, for general machining applications. Standard ER collets offer flexible diameter clamping. Made from Alloy spring steel and fully hardened. Available in standard precision or high precision. High precision ER collets can dramatically increase tool life due to 50% lower run-out, especially in longer length tools. 

 

  • High accuracy run-out <0.005mm (5 microns or less)
  • Standard accuracy run-out <0.010mm (10 microns or less)
  • Spring type (flexible diameter clamping e.g. 6-5mm)
  • Not suitable for through coolant tools
  • Available individually or in ER collet sets
  • ER11, ER16, ER20, ER25, ER32, ER40

Anti-Corrosion GERC Collets
Available in <0.005mm or <0.002mm Run-Out

 

Sealed ER collet with neoprene insert for through coolant drills and tools. Made from Alloy steel and fully hardened. Available in standard precision or high precision. Available in standard precision or high precision. High precision ER collets can dramatically increase tool life due to 50% lower run-out, especially in longer length tools.

 

  • High accuracy run-out <0.005mm (5 microns or less)
  • Standard accuracy run-out <0.010mm (10 microns or less)
  • Fixed type (specific diameter clamping e.g. 6mm only)
  • For up to 30 bar coolant pressure
  • Available individually or in ER collet sets
  • ER11, ER16, ER20, ER25, ER32, ER40
Shop Now - High Precision (0.005mm Run-Out) 
Shop Now - Standard Precision (0.010mm Run-Out) 
Shop Now - High Precision (0.005mm Run-Out) 
Shop Now - Standard Precision (0.010mm Run-Out) 

The Korloy GERC range of high precision collets is coated with a micron film Fahrion Protect surface treatment.

High Precision In The Long Term:

The nominal geometry between the collet and the taper seat in the chuck is maintained for a long lasting permanent surface contact without corrosion-related irregularities.

  • Longer life-time of your tools
  • Higher concentricity extends the tool life.
  • Collets have to be replaced less frequently
  • Can be used longer for precision applications.
  • Better run-out protects the machine spindle
Shop Now - Ultra Precision (0.002mm Run-Out) 
Shop Now - High Precision (0.005mm Run-Out) 
Shop Now - Square Drive Type Collets
Shop Now - Synchro Tap Chucks
Shop Now - Standard Precision (0.010mm Run-Out) 
Shop Now - High Precision (0.005mm Run-Out) 

Cutwel have the UK’s largest range of ER collet sets, available in 3 ranges of precision (standard, high and ultra-high), spring type and sealed type (through coolant).

Shop Now - Ultra Precision (0.002mm Run-Out) 

Special design ER collets with square drive for tapping. The square drive prevents the tap from slipping in the ER collet and breaking in the work piece. Square drive ER collets are recommended for use with Synchro Tap chucks.

  • Standard accuracy run-out <0.010mm (10 microns or less)
  • Square drive type (specific diameter/square clamping e.g. 6mm only)
  • Available individually
  • ER16, ER20, ER25, ER32, ER40

Special design ER collets with square drive for tapping and spring tension. The square drive prevents the tap from slipping in the ER collet and breaking in the workpiece whilst the tension spring compensates for errors in the tapping cycle.

 

  • For tapping applications which require axial compensation
  • Square drive type (specific diameter/square clamping e.g. 6mm only)
  • Adjustable locking screws in back of collet
  • Can be used in all standard ER collet chucks.
  • ER16, ER20, ER25, ER32, ER40
  •  
Shop Now - Square Drive Type Tension Collets

Cutwel are the UK’s leading supplier of ER collet chucks, with all tapers, all ER sizes and lengths up to 200mm from stock. 

  • All tapers and shank styles
  • Balancing from 8,000RPM G6.3 to 25,000RPM G2.5
  • Nut styles: Internal, Mini, Standard or Balanced
  • Gauge lengths up to 200mm (depending on taper)
  • ER11, ER16, ER20, ER32 & ER40 available from stock
Shop By Taper

BT MAS

DIN69871

PSK
(Polygonal)

DIN2080

HSK
(A/C/E/F)