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for the UK & Ireland

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ER Collet Chucks

Shop By Taper

The First Choice for general drilling, milling, tapping and reaming.

BT MAS

ER Collet Chucks - The World's Most Popular &

Versatile General Purpose Toolholding System

The Cutwel range of ER collet chucks and accessories is the biggest range available from stock in the UK. With 4 nut styles and lengths from ultra-short to 200mm, almost every eventuality is covered.

 • All tapers and shank styles

• Balancing from 8,000RPM G6.3 to 25,000RPM G2.5

• Collets available in standard precision <0.010mm (10μm) to ultra- high precision <0.002mm (2μm)

• Collets available sealed (through coolant) and tapping type (with square drive)

• Nut styles: Internal, Mini, Standard or Balanced

• Gauge lengths up to 200mm (depending on taper)

• ER11, ER16, ER20, ER32 & ER40 available from stock

Cutwel ER collet chucks are used in thousands of machine shops across the UK and are renowned for their quality, reliability and value.

DIN69871

DIN2080

PSC
(Polygonal)
Double Contact
HSK
(A/E/F)

DIN6499 Standard Precision ER Collets

  • ER11, ER16, ER20, ER25, ER32, ER40
  • Run out <0.010mm
  • Flexible diameter clamping (e.g. 6-5mm)

High Precision ER Collets

  • ER11, ER16, ER20, ER25, ER32, ER40
  • Run out <0.005mm
  • Flexible diameter clamping (e.g. 6-5mm)

Tapping Collets With Square Drive 

  • ER16, ER20, ER25, ER32, ER40
  • With square drive to prevent taps slipping
  • Run out <0.010mm
  • Fixed diameter clamping

Anti-Corrosion ER Collets

  • ER16, ER20, ER25, ER32
  • High tech coating for long lasting precision
  • Run out <0.002mm/<0.005mm
  • Fixed diameter clamping

Standard Sealed ER Collets 

  • Sealed with neoprene inserts (for through coolant tools)
  • ER11, ER16, ER20, ER25, ER32, ER40
  • Run out <0.010mm
  • Fixed diameter clamping

High Precision Sealed ER Collets

  • Sealed with neoprene inserts (for through coolant tools)
  • ER11, ER16, ER20, ER25, ER32, ER40
  • Run out <0.005mm or <0.002mm
  • Fixed diameter clamping

Tapping Collets With Tension

  • ER16, ER20, ER25, ER32, ER40
  • Floating Tap Collet With Tension To Reduce Tap Breakage
  • Run out <0.010mm
  • Fixed diameter clamping

ER Collet Sets

  • Partial sets (popular collet sizes)
  • Full sets (all collet sizes)
  • Standard, sealed and high precision sets

Standard ER Nut

  • ER16, ER20, ER25, ER32, ER40
  • For general machining tasks
  • The most popular

Mini ER Nut

  • ER11, ER16, ER20, ER25
  • For machining where restrictions apply
  • The most compact

Hexagon ER Nut

  • ER11, ER16, ER20
  • No special wrench required
  • Can be used with standard spanner

Balanced ER Nut

  • ER16, ER25, ER32, ER40
  • For high speed machining tasks
  • Balanced to G2.5, 25,000RPM

Standard ER Nut Wrench

  • ER16, ER20, ER25, ER32, ER40
  • With prongs to grip in nut groves

Hexagon ER Nut Wrench

  • ER11, ER16, ER20
  • Standard spanner

Mini ER Nut Wrench

  • ER11, ER16, ER20, ER25
  • With prongs to grip in nut grooves

Balanced ER Nut Wrench

  • ER16, ER25, ER32, ER40
  • C-Spanner style wrench
R8
Straight Shank
Morse
Taper