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ER-32 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
3/64 - 0.047 0.046-0.026 3/64, 1/16, 5/64 32-0047-3/64
1/16 - 0.062 0.062-0.042 1/16, 3/64 32-0063-1/16
5/64 - 0.078 0.078-0.058 5/64, 3/32, 7/64 32-0078-5/64
3/32 - 0.093 0.093-0.054 3/32, 5/64, 1/16 32-0093-3/32 32-0093-3/32UP
- 2.5 0.098 0.098-0.079 7/64, 1/8 32-0098-2.5 32-0098-2.5UP
7/64 - 0.109 0.109-0.089 7/64, 1/8 32-0109-7/64 32-0109-7/64UP
- 3.0 0.118 0.118-0.079 7/64, 3/32 32-0118-3.0 32-0118-3.0UP
1/8 - 0.125 0.125-0.085 1/8, 7/64 32-0125-1/8 32-0125-1/8UP
- 3.5 0.138 0.138-0.118 5/32, 11/64 32-0138-3.5 32-0138-3.5UP
9/64 - 0.141 0.140-0.120 5/32, 11/64 32-0140-9/64 32-0140-9/64UP
5/32 - 0.156 0.156-0.117 5/32, 9/64, 1/8 32-0156-5/32 32-0156-5/32UP
- 4.0 0.157 0.157-0.118 5/32, 9/64 32-0157-4.0 32-0157-4.0UP
11/64 0.172 0.171-0.151 3/16, 13/64 32-0171-11/64 32-0171-11/64UP
- 4.5 0.177 0.177-0.158 3/16, 13/64 32-0177-4.5 32-0177-4.5UP
3/16 - 0.187 0.187-0.148 3/16, 11/64 32-0187-3/16 32-0187-3/16UP
- 5.0 0.196 0.196-0.157 3/16, 11/64 32-0196-5.0 32-0196-5.0UP
13/64 - 0.203 0.203-0.183 13/64, 7/32, 15/64 32-0203-13/64 32-0203-13/64UP
- 5.5 0.217 0.217-0.197 7/32, 15/64, 1/4 32-0216-5.5 32-0216-5.5UP
7/32 - 0.218 0.218-0.179 7/32, 13/64 32-0218-7/32 32-0218-7/32UP
15/64 - 0.234 0.234-0.214 15/64, 1/4, 17/64 32-0234-15/64 32-0234-15/64UP
- 6.0 0.236 0.236-0.197 15/64, 7/32 32-0236-6.0 32-0236-6.0UP
1/4 - 0.250 0.250-0.211 1/4, 15/64, 7/32 32-0250-1/4 32-0250-1/4UP
- 6.5 0.256 0.256-0.236 17/64, 9/32 32-0256-6.5 32-0256-6.5UP
17/64 - 0.266 0.265-0.245 9/32, 19/64 32-0265-17/64 32-0265-17/64UP
- 7.0 0.275 0.275-0.236 17/64, 1/4 32-0275-7.0 32-0275-7.0UP
9/32 - 0.281 0.281-0.242 9/32, 17/64 32-0281-9/32 32-0281-9/32UP
- 7.5 0.295 0.295-0.256 19/64, 5/16, 21/64 32-0296-7.5 32-0296-7.5UP
19/64 - 0.297 0.296-0.257 5/16, 21/64 32-0296-19/64 32-0296-19/64UP
5/16 - 0.312 0.312-0.273 5/16, 19/64, 9/32 32-0312-5/16 32-0312-5/16UP
- 8.0 0.315 0.315-0.276 5/16, 19/64 32-0315-8.0 32-0315-8.0UP
21/64 - 0.328 0.328-0.289 21/64, 11/32, 23/64 32-0328-21/64 32-0328-21/64UP
- 8.5 0.335 0.335-0.295 11/32, 23/64 32-0334-8.5 32-0334-8.5UP
11/32 - 0.343 0.343-0.304 11/32, 21/64 32-0343-11/32 32-0343-11/32UP
- 9.0 0.354 0.354-0.315 11/32, 21/64 32-0354-9.0 32-0354-9.0UP
23/64 - 0.359 0.359-0.320 23/64, 3/8, 25/64 32-0359-23/64 32-0359-23/64UP
3/8 - 0.375 0.375-0.336 3/8, 23/64 32-0375-3/8 32-0375-3/8UP
25/64 - 0.391 0.390-0.351 13/32, 27/64 32-0390-25/64 32-0390-25/64UP
- 10.0 0.393 0.393-0.354 25/64, 3/8 32-0393-10.0 32-0393-10.0UP
13/32 - 0.406 0.406-0.367 13/32, 25/64, 3/8 32-0406-13/32 32-0406-13/32UP
- 10.5 0.413 0.413-0.374 27/64, 7/16 32-0413-10.5 32-0413-10.5UP
27/64 - 0.422 0.421-0.382 7/16, 29/64 32-0421-27/64 32-0421-27/64UP
- 11.0 0.433 0.433-0.394 27/64, 13/32 32-0433-11.0 32-0433-11.0UP
7/16 - 0.437 0.437-0.398 7/16, 27/64 32-0437-7/16 32-0437-7/16UP
29/64 - 0.453 0.453-0.414 29/64, 15/32, 31/64 32-0453-29/64 32-0453-29/64UP
15/32 - 0.468 0.468-0.429 15/32, 29/64, 7/16 32-0468-15/32 32-0468-15/32UP
- 12.0 0.472 0.472-0.433 15/32, 29/64 32-0472-12.0 32-0472-12.0UP
31/64 - 0.484 0.484-0.445 31/64, 1/2, 33/64 32-0484-31/64 32-0484-31/64UP
- 12.5 0.492 0.492-0.453 1/2, 33/64 32-0492-12.5 32-0492-12.5UP
1/2 - 0.500 0.500-0.461 1/2, 31/64 32-0500-1/2 32-0500-1/2UP
- 13.0 0.511 0.511-0.472 1/2, 31/64 32-0511-13.0 32-0511-13.0UP
33/64 - 0.516 0.515-0.476 17/32, 35/64 32-0515-33/64 32-0515-33/64UP
17/32 - 0.531 0.531-0.492 17/32, 33/64 32-0531-17/32 32-0531-17/32UP
35/64 - 0.547 0.546-0.507 9/16, 37/64 32-0546-35/64 32-0546-35/64UP
- 14.0 0.551 0.551-0.512 35/64, 17/32 32-0551-14.0 32-0551-14.0UP
9/16 - 0.562 0.562-0.523 9/16, 35/64, 17/32 32-0562-9/16 32-0562-9/16UP
- 14.5 0.571 0.571-0.532 37/64, 19/32, 39/64 32-0570-14.5 32-0570-14.5UP
37/64 - 0.578 0.578-0.539 37/64, 19/32, 39/64 32-0578-37/64 32-0578-37/64UP
- 15.0 0.590 0.590-0.551 37/64, 9/16 32-0590-15.0 32-0590-15.0UP
19/32 - 0.593 0.593-0.554 19/32, 37/64 32-0593-19/32 32-0593-19/32UP
39/64 - 0.609 0.609-0.570 39/64, 5/8, 41/64 32-0609-39/64 32-0609-39/64UP
- 15.5 0.610 0.601-0.571 5/8, 41/64 32-0610-15.5 32-0610-15.5UP
5/8 - 0.625 0.625-0.586 5/8, 39/64, 19/32 32-0625-5/8 32-0625-5/8UP
- 16.0 0.630 0.630-0.591 5/8, 39/64 32-0630-16.0 32-0630-16.0UP
41/64 - 0.641 0.641-0.602 21/32, 43/64 32-0640-41/64 32-0640-41/64UP
- 16.5 0.650 0.650-0.610 21/32, 43/64, 11/16 32-0650-16.5 32-0650-16.5UP
21/32 - 0.656 0.656-0.617 21/32, 41/64 32-0656-21/32 32-0656-21/32UP
- 17.0 0.669 0.669-0.630 21/32, 41/64 32-0669-17.0 32-0669-17.0UP
43/64 - 0.672 0.672-0.633 11/16, 46/64 32-0671-43/64 32-0671-43/64UP
11/16 - 0.687 0.687-0.648 11/16, 43/64, 21/32 32-0687-11/16 32-0687-11/16UP
- 17.5 0.689 0.689-0.650 45/64, 23/32 32-0689-17.5 32-0689-17.5UP
45/64 - 0.703 0.703-0.664 45/64, 23/32, 47/64 32-0703-45/64 32-0703-45/64UP
- 18.0 0.708 0.708-0.669 45/64, 11/16 32-0708-18.0 32-0708-18.0UP
23/32 - 0.718 0.718-0.679 23/32, 45/64 32-0718-23/32 32-0718-23/32UP
- 18.5 0.728 0.728-0.689 47/64, 3/4, 49/64 32-0728-18.5 32-0728-18.5UP
47/64 - 0.734 0.734-0.695 47/64, 3/4, 49/64 32-0734-47/64 32-0734-47/64UP
- 19.0 0.748 0.748-0.709 47/64, 23/32 32-0748-19.0 32-0748-19.0UP
3/4 - 0.750 0.750-0.711 3/4, 47/64 32-0750-3/4 32-0750-3/4UP
49/64 - 0.766 0.766-0.727 25/32, 51/64 32-0765-49/64 32-0765-49/64UP
- 19.5 0.768 0.768-0.728 25/32, 51/64 32-0767-19.5 32-0767-19.5UP
25/32 - 0.781 0.781-0.742 25/32, 49/64, 3/4 32-0781-25/32 32-0781-25/32UP
- 20.0 0.787 0.787-0.748 25/32, 49/64 32-0787-20.0 32-0787-20.0UP
51/64 - 0.797 0.797-0.758 51/64, 13/16, 53/64 32-0796-51/64 32-0796-51/64UP
- 20.5 0.807 0.807-0.768 13/16, 53/64, 37/32 32-0807-20.5 32-0807-20.5UP
13/16 - 0.813 0.813-0.783 13/16, 53/64, 37/32 32-0812-13/16 32-0812-13/16UP