1, ER Collets: Our range of ER11,16,20,25,32 & 40 collets are supplied to 5 Micron accuracy and ER8, 12 & 50 to 10 Micron accuracy, as standard and not expensive. Where tool life is not a consideration we also offer a range of 20 micron accuracy which are less expensive.

2, High Precision ER Collets: If you require greater accuracy than our standard range use our range of ER 11,16,20,25,32 & 40 collets supplied to 2 Micron accuracy.

3, ER Collets & Seals: Seals are available for use with your standard ER collets or with the High precision collets. These can be used in any ER holder by changing the standard clamping nut to the suitable clamping nut for seals.

4, Coolant Collets: Sealed ER Collets for use with through coolant tools and can be used up to 120 bar. Also available with additional coolant jet holes to bring the coolant to the cutting edge. All supplied to 6 Micron accuracy. Interchangeable with all standard ER collets

5, Tap Collets: For rigid tapping use our ER Tap collets with internal square drive, which are available for all standard, DIN & ISO taps. Interchangeable with all standard ER collets

6, ET Tap Collets: For tapping with incorporated axial compensation. Interchangeable with all standard ER collets. The economic solution to tapping on CNC machines

D&J Workholding (Witney) Ltd was established in 2003 by Dave Bishop and Dave Chambers who both previously worked for a renowned Collet manufacturer in Witney, Oxfordshire of over 50 years standing.

We also carry in stock: TG/SG - R8 - Rubber-Flex - DA/DK - Din6388 Collets, and replacement Collets Nuts. Please contact us for more information about these other products.