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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
ON SIZE Nominal Size Precision Ultra Precision
Frac MM Dec. Range Nominal Sizes Covered
- 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