ER COLLET CHUCKS
ER25 COLLETS
Precision Standard Precision slots allow for even distribution of clamping pressure and minimal run out.
Coolant-Thru Our patented Coolant Collets are designed for use with cylindrical shank tools (no flats). Cutting tool should be inserted the full length of the collet. If these conditions are not met, coolant leakage may result. Seals up to maximum coolant pressure of 1015 psi. Steel-sealed and mechanically sealed by design.
Size Range: 1/16 - 5/8 "
Size Range: 2.0 - 16.0mm (0.079 - 0.630 " )
Size Range: 7/32 - 5/8 "
Size Range: 6.0 - 16.0mm (0.236 - 0.630 " )
(0.062 - 0.625 " )
(0.219 - 0.625 " )
INCH Part Number Size
METRIC Part Number Size
INCH COOLANT-THRU Part Number Size
METRIC COOLANT-THRU Part Number Size Collapse Range E25-236(C) 6.0mm 5.5 - 6mm E25-255(C) 6.5mm 6 - 6.5mm E25-275(C) 7.0mm 6.5 - 7mm E25-295(C) 7.5mm 7 - 7.5mm E25-314(C) 8.0mm 7.5 - 8mm E25-334(C) 8.5mm 8 - 8.5mm E25-354(C) 9.0mm 8.5 - 9mm E25-374(C) 9.5mm 9 - 9.5mm E25-393(C) 10.0mm 9.5 - 10mm E25-413(C) 10.5mm 10 - 10.5mm E25-433(C) 11.0mm 10.5 - 11mm E25-452(C) 11.5mm 11 - 11.5mm E25-472(C) 12.0mm 11.5 - 12mm E25-492(C) 12.5mm 12 - 12.5mm E25-511(C) 13.0mm 12.5 - 13mm E25-531(C) 13.5mm 13 - 13.5mm E25-551(C) 14.0mm 13.5 - 14mm E25-570(C) 14.5mm 14 - 14.5mm E25-590(C) 15.0mm 14.5 - 15mm E25-610(C) 15.5mm 15 - 15.5mm E25-629(C) 16.0mm 15.5 - 16mm
Collapse Range
Collapse Range
Collapse Range
E25-004 E25-006 E25-008 E25-010 E25-012 E25-014 E25-016 E25-018 E25-020 E25-022 E25-024 E25-026 E25-028 E25-030 E25-032 E25-034 E25-036 E25-038 E25-040
1/16" 0.043 - 0.063" 3/32" 0.074 - 0.094" 1/8" 0.105 - 0.125" 5/32" 0.136 - 0.156" 3/16" 0.148 - 0.188" 7/32" 0.179 - 0.219" 1/4" 0.211 - 0.25" 9/32" 0.242 - 0.281" 5/16" 0.273 - 0.313" 11/32" 0.304 - 0.344" 3/8" 0.336 - 0.375" 13/32" 0.367 - 0.406" 7/16" 0.398 - 0.438" 15/32" 0.429 - 0.469" 1/2" 0.461 - 0.5" 17/32" 0.492 - 0.531" 9/16" 0.523 - 0.563" 19/32" 0.554 - 0.594" 5/8" 0.586 - 0.625"
E25-078 E25-118 E25-137 E25-157 E25-196 E25-236 E25-275 E25-314
2.0mm 1.5 - 2mm 3.0mm 2.5 - 3mm 3.5mm 3 - 3.5mm 4.0mm 3.5 - 4mm 5.0mm 4 - 5mm 6.0mm 5 - 6mm 7.0mm 6 - 7mm 8.0mm 7 - 8mm
E25-014(C) 7/32" 0.215 - 0.219" E25-015(C) 15/64" 0.23 - 0.234" E25-016(C) 1/4" 0.23 - 0.25" E25-017(C) 17/64" 0.246 - 0.266" E25-018(C) 9/32" 0.262 - 0.281" E25-019(C) 19/64" 0.277 - 0.297" E25-020(C) 5/16" 0.293 - 0.313" E25-021(C) 21/64" 0.308 - 0.328" E25-022(C) 11/32" 0.324 - 0.344" E25-023(C) 23/64" 0.34 - 0.359" E25-024(C) 3/8" 0.355 - 0.375" E25-025(C) 25/64" 0.371 - 0.391" E25-026(C) 13/32" 0.387 - 0.406" E25-027(C) 27/64" 0.402 - 0.422" E25-028(C) 7/16" 0.418 - 0.438" E25-029(C) 29/64" 0.433 - 0.453" E25-030(C) 15/32" 0.449 - 0.469" E25-031(C) 31/64" 0.465 - 0.484" E25-032(C) 1/2" 0.48 - 0.5" E25-033(C) 33/64" 0.496 - 0.516" E25-034(C) 17/32" 0.512 - 0.531" E25-035(C) 35/64" 0.527 - 0.547" E25-036(C) 9/16" 0.543 - 0.563" E25-037(C) 37/64" 0.558 - 0.578" E25-038(C) 19/32" 0.574 - 0.594" E25-039(C) 39/64" 0.59 - 0.609" E25-040(C) 5/8" 0.605 - 0.625"
E25-354 9.0mm 8 - 9mm E25-393 10.0mm 9 - 10mm E25-433 11.0mm 10 - 11mm E25-452 11.5mm 10.5 - 11.5mm E25-472 12.0mm 11 - 12mm E25-511 13.0mm 12 - 13mm E25-551 14.0mm 13 - 14mm E25-570 14.5mm 13.5 - 14.5mm E25-590 15.0mm 14 - 15mm E25-629 16.0mm 15 - 16mm
ER25 COLLET SETS E25-SET-19
ER25 COOLANT COLLET SETS E25-SET-13(C)
19 Piece Set: 1/16" - 5/8" by 1/32nds 14 Piece Set: 1.5mm - 16.0mm by 1mm
13 Piece Set: 1/4" - 5/8" by 1/32nds 21 Piece Set: 5.5mm - 16.0mm by 0.5mm
E25-SET-14-MM
E25-SET-21(C)-MM
Note: See dimensional data for ER25 Collets on page 59.
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