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ER-16 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
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ON SIZE Nominal Size Precision Ultra Precision
Frac MM Dec. Range Nominal Sizes Covered $8.75 Each $21.00 Each
- 1.0 .039 0.039-0.019 - 16-0039-1.0 16-0039-1.0UP
3/64 - 0.046 0.046-0.026 3/64 16-0046-3/64 16-0046-3/64UP
- 1.5 0.059 0.059-0.039 3/64 16-0059-1.5 16-0059-1.5UP
1/16 - 0.062 0.062-0.042 1/16,3/64 16-0062-1/16 16-0062-1/16UP
5/64 - 0.078 0.078-0.058 5/64,1/16 16-0078-5/64 16-0078-5/64UP
- 2.0 0.079 0.079-0.059 5/64,1/16 16-0079-2.0 16-0079-2.0UP
3/32 - 0.093 0.093-0.073 3/32, 5/64 16-0093-3/32 16-0093-3/32UP
- 2.5 0.098 0.098-0.078 3/32 16-0098-2.5 16-0098-2.5UP
7/64 - 0.109 0.109-0.089 7/64, 3/32 16-0109-7/64 16-0109-7/64UP
- 3.0 0.118 0.118-0.098 7/64 16-0118-3.0 16-0118-3.0UP
1/8 - 0.125 0.125-0.105 1/8, 7/64 16-0125-1/8 16-0125-1/8UP
- 3.5 0.138 0.138-0.118 1/8 16-0138-3.5 16-0138-3.5UP
9/64 - 0.140 0.140-0.120 9/64, 1/8 16-0140-9/64 16-0140-9/64UP
5/32 - 0.156 0.156-0.136 5/32, 9/64 16-0156-5/32 16-0156-5/32UP
- 4.0 0.157 0.157-0.137 5/32, 9/64 16-0157-4.0 16-0157-4.0UP
11/64 0.171 0.171-0.151 11/64, 5/32 16-0171-11/64 16-0171-11/64UP
- 4.5 0.177 0.177-0.157 11/64 16-0177-4.5 16-0177-4.5UP
3/16 - 0.187 0.187-0.167 3/16, 11/64 16-0187-3/16 16-0187-3/16UP
- 5.0 0.196 0.196-0.176 3/16 16-0196-5.0 16-0196-5.0UP
13/64 - 0.203 0.203-0.183 13/64, 3/16 16-0203-13/64 16-0203-13/64UP
- 5.5 0.217 0.217-0.197 13/64 16-0217-5.5 16-0217-5.5UP
7/32 - 0.218 0.218-0.198 7/32, 13/64 16-0218-7/32 16-0218-7/32UP
15/64 - 0.234 0.234-0.214 15/64, 7/32 16-0234-15/64 16-0234-15/64UP
- 6.0 0.236 0.236-0.216 15/64, 7/32 16-0236-6.0 16-0236-6.0UP
1/4 - 0.250 0.250-0.230 1/4, 15/64 16-0250-1/4 16-0250-1/4UP
- 6.5 0.256 0.256-0.236 1/4 16-0256-6.5 16-0256-6.5UP
17/64 - 0.265 0.265-0.245 17/64, 1/4 16-0265-17/64 16-0265-17/64UP
- 7.0 0.275 0.275-0.255 17/64 16-0275-7.0 16-0275-7.0UP
9/32 - 0.281 0.281-0.242 9/32, 17/64 16-0281-9/32 16-0281-9/32UP
- 7.5 0.295 0.295-0.256 9/32, 17/64 16-0295-7.5 16-0295-7.5UP
19/64 - 0.296 0.296-0.257 19/64, 9/32 16-0296-19/64 16-0296-19/64UP
5/16 - 0.312 0.312-0.273 5/16, 19/64, 9/32 16-0312-5/16 16-0312-5/16UP
- 8.0 0.315 0.315-0.276 5/16, 19/64 16-0315-8.0 16-0315-8.0UP
21/64 - 0.328 0.328-0.289 21/64, 5/16, 19/64 16-0328-21/64 16-0328-21/64UP
- 8.5 0.335 0.334-0.295 21/64, 5/16 16-0334-8.5 16-0334-8.5UP
11/32 - 0.343 0.343-0.304 11/32, 21/64 16-0343-11/32 16-0343-11/32UP
- 9.0 0.354 0.354-0.315 11/32, 21/64 16-0354-9.0 16-0354-9.0UP
23/64 - 0.359 0.359-0.320 23/64, 11/32 16-0359-23/64 16-0359-23/64UP
- 9.5 0.374 0.374-0.335 23/64, 11/32 16-0374-9.5 16-0374-9.5UP
3/8 - 0.375 0.375-0.336 3/8, 23/64 16-0375-3/8 16-0375-3/8UP
25/64 - 0.390 0.390-0.351 25/64, 3/8, 23/64 16-0390-25/64 16-0390-25/64UP
- 10.0 0.394 0.394-0.354 25/64, 3/8 16-0393-10.0 16-0393-10.0UP