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ER-8 Collets

Accu-Collets ER COLLETS
AccuCollets™ Precision and UltraPrecision Collets DIN 6499-form B (ER) set new standards of accuracy.
Precision Collets concentricity is 15 microns or 0.0005" TIR or better
Ultra Precision Collets is 6 microns or 0.0002" TIR or better
  • Concentricity is 13 microns or 0.0005" TIR or better
  • Manufactured with Swiss technology
  • Crafted from high quality European alloy spring steel
  • TRUE INCH and metric sizes
  • Fractional Collets manufactured specifically for US market requirements. Use "on size" collets for best results
  • 16 slot construction for rigid clamping and extra concentricity
  • Accu-Collets improve tool life, part finish and reduces spindle wear
  • Can be used for drilling, milling, tapping and reaming
Precision ER Collets 0.0005" TIR or better as measured over the entire clamping range per DIN 6499 Standards
To order any of these items enter the Part Number into the search bar above. (This will take you to the product page where you can add the item to the shopping cart)
ON SIZE Nominal Size Precision Ultra Precision
Frac MM Dec. Range Nominal Sizes Covered
- 1.0 .039 0.039-0.019 - 08-0039-1.0 08-0039-1.0UP
3/64 - 0.046 0.046-0.026 3/64 08-0046-3/64 08-0046-3/64UP
- 1.5 0.059 0.059-0.039 3/64 08-0059-1.5 08-0059-1.5UP
1/16 - 0.062 0.062-0.042 1/16,3/64 08-0062-1/16 08-0062-1/16UP
5/64 - 0.078 0.078-0.058 5/64,1/16 08-0078-5/64 08-0078-5/64UP
- 2.0 0.079 0.079-0.059 5/64,1/16 08-0079-2.0 08-0079-2.0UP
3/32 - 0.093 0.093-0.073 3/32, 5/64 08-0093-3/32 08-0093-3/32UP
- 2.5 0.098 0.098-0.078 3/32 08-0098-2.5 08-0098-2.5UP
7/64 - 0.109 0.109-0.089 7/64, 3/32 08-0109-7/64 08-0109-7/64UP
- 3.0 0.118 0.118-0.098 7/64 08-0118-3.0 08-0118-3.0UP
1/8 - 0.125 0.125-0.105 1/8, 7/64 08-0125-1/8 08-0125-1/8UP
- 3.5 0.138 0.138-0.118 1/8 08-0138-3.5 08-0138-3.5UP
9/64 - 0.140 0.140-0.120 9/64, 1/8 08-0140-9/64 08-0140-9/64UP
5/32 - 0.156 0.156-0.136 5/32, 9/64 08-0156-5/32 08-0156-5/32UP
- 4.0 0.157 0.157-0.137 5/32, 9/64 08-0157-4.0 08-0157-4.0UP
11/64 0.171 0.171-0.151 11/64, 5/32 08-0171-11/64 08-0171-11/64UP
- 4.5 0.177 0.177-0.157 11/64 08-0177-4.5 08-0177-4.5UP
3/16 - 0.187 0.187-0.167 3/16, 11/64 08-0187-3/16 08-0187-3/16UP
- 5.0 0.196 0.196-0.176 3/16 08-0196-5.0 08-0196-5.0UP