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SS BD_2 CSI DCONNWS √N5 A A .00012 AT3 Taper
CAT-ER (form ADB) DCONXWS
DIN 6499 ER Collet Chucks BD BD 58-60 HRc
G2.5
with Caterpillar form ADB 20,000 RPM
Tapered Shanks THID or U<1.0 gmm
CRKS LB
LBX
ER16-20 LPR ER25-50

Designation SS CSI DCONNWS (2) DCONXWS (3) LPR LBX LB BD BD_2 THID CRKS CDI (4) Lbs TOOLING SYSTEMS
CAT30 ER16X2.750 30 ER16 .022 .396 2.750 2.000 1.370 1.102 1.248 M10 1/2-13 0 1.02
CAT30 ER20X2.562 30 ER20 .041 .514 2.562 1.813 1.102 1.339 1.248 M12 1/2-13 0 .97
CAT40 ER16X2.750 40 ER16 .022 .396 2.750 2.000 1.370 1.102 1.752 M12 5/8-11 0 2.29
CAT40 ER16X3.937 40 ER16 .022 .396 3.937 3.187 2.560 1.102 1.752 M12 5/8-11 0 2.43
CAT40 ER16X5.906 40 ER16 .022 .396 5.906 5.156 3.350 1.102 1.752 M12 5/8-11 0 3.48
CAT40 ER20X3.937 40 ER20 .041 .514 3.937 3.187 2.560 1.339 1.752 M12 5/8-11 0 2.65
CAT40 ER20X5.906 40 ER20 .041 .514 5.906 5.156 3.780 1.339 1.752 M12 5/8-11 0 3.68
CAT40 ER25X2.562 40 ER25 .041 .632 2.562 1.812 1.180 1.654 1.752 M16 5/8-11 0 2.16
CAT40 ER25X4.000 40 ER25 .041 .632 4.000 3.250 2.620 1.654 1.752 M16 5/8-11 0 2.95
CAT40 ER25X6.000 40 ER25 .041 .632 6.000 5.250 4.620 1.654 1.752 M16 5/8-11 0 4.08
CAT40 ER32X2.562 40 ER32 .080 .789 2.562 1.812 - 1.968 1.752 M22X1.5 5/8-11 0 1.93
CAT40 ER32X4.000 40 ER32 .080 .789 4.000 3.250 - 1.968 1.752 M22X1.5 5/8-11 0 2.83
CAT40 ER32X6.000 40 RE32 .080 .789 6.000 5.250 - 1.968 1.752 M22X1.5 5/8-11 0 4.56
CAT40 ER40X3.359 40 ER40 .120 1.025 3.359 2.609 - 2.480 1.752 M28X1.5 5/8-11 0 2.34
CAT40 ER40X4.000 40 ER40 .120 1.025 4.000 3.250 - 2.480 1.752 M28X1.5 5/8-11 0 2.83
CAT50 ER16X3.937 50 ER16 .022 .396 3.937 3.187 2.560 1.102 2.752 M12 1-8 0 7.06
CAT50 ER16X5.906 50 ER16 .022 .396 5.906 5.156 3.490 1.102 2.752 M12 1-8 0 7.57
CAT50 ER16X8.000 (1) 50 ER16 .022 .396 8.000 7.250 2.980 1.102 2.752 M12 1-8 0 8.80
CAT50 ER20X3.937 50 ER20 .041 .514 3.937 3.187 2.560 1.339 2.752 M16 1-8 0 6.99
CAT50 ER20X5.906 50 ER20 .041 .514 5.906 5.156 4.530 1.339 2.752 M16 1-8 0 7.67
CAT50 ER20X8.000 (1) 50 ER20 .041 .514 8.000 7.250 4.620 1.339 2.752 M16 1-8 0 9.75
CAT50 ER25X4.000 50 ER25 .041 .632 4.000 3.250 2.580 1.654 2.752 M16 1-8 0 7.35
CAT50 ER25X6.000 50 ER25 .041 .632 6.000 5.250 4.620 1.654 2.752 M16 1-8 0 8.47
CAT50 ER25X8.000 (1) 50 ER25 .041 .632 8.000 7.250 6.620 1.654 2.752 M16 1-8 0 9.39
CAT50 ER32X4.000 50 ER32 .080 .789 4.000 3.250 2.540 1.968 2.752 M22X1.5 1-8 0 8.25
CAT50 ER32X6.000 50 ER32 .080 .789 6.000 5.250 4.620 1.968 2.752 M22X1.5 1-8 0 9.02
CAT50 ER32X8.000 (1) 50 ER32 .080 .789 8.000 7.250 6.580 1.968 2.752 M22X1.5 1-8 0 10.36
CAT50 ER40X4.000 50 ER40 .120 1.025 4.000 3.250 2.620 2.480 2.752 M28X1.5 1-8 0 7.21
CAT50 ER40X6.000 50 ER40 .120 1.025 6.000 5.250 4.620 2.480 2.752 M28X1.5 1-8 0 10.16
CAT50 ER40X8.000 (1) 50 ER40 .120 1.025 8.000 7.250 6.580 2.480 2.752 M28X1.5 1-8 0 12.60
CAT50 ER50X4.000 50 ER50 .396 1.338 4.000 3.250 - 3.070 2.752 M36X1.5 1-8 0 7.34
CAT50 ER50X6.000 50 ER50 .396 1.338 6.000 5.250 - 3.070 2.752 M36X1.5 1-8 0 10.21
(1) Balanced to G6.3/12,000 RPM
(2) Minimum diameter
(3) Maximum diameter
(4) 1 - Slot for data chip, 0 - Without slot for data chip

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