B20-CRT_US-EN

BORING | Criterion® Modular Boring Systems

Criterion Master Shanks NMTB Taper

A

L 4

Thread

DRILLING

D 1

B

Reten on Knob Thread

L 3

NMTB Taper Shanks

BORING

Shank

D 1

L 3

L 4

Style

Weight

Thread

RetenƟon Thread

Part No.

NMTB30-087520 NMTB30-150018 NMTB40-087520 NMTB40-150018 NMTB50-087520 NMTB50-150018 NMTB50-225010

NMTB 30 NMTB 30 NMTB 40 NMTB 40 NMTB 50 NMTB 50 NMTB 50

1.120 1.850 1.120 1.850 1.970 1.870 3.380

0.370 0.630 0.370 0.630 0.510 0.400 0.500

0.790 1.050 0.770 1.020 1.250 1.210 1.250

0.810 (lbs) 1.190 (lbs) 1.780 (lbs) 2.310 (lbs) 6.750 (lbs) 6.870 (lbs) 8.320 (lbs)

7/8 - 20

1/2 - 13 1/2 - 13 5/8 - 11 5/8 - 11

11/2 - 18

7/8 - 20

11/2 - 18

7/8 - 20

1 - 8 1 - 8 1 - 8

C

11/2 - 18 21/4 - 10

REAMING

D

BURNISHING

E

THREADING

B20: 58 - 59

B20: 54 - 55

B20: 44 - 45

B20: 14

B20: 24 - 43

Key on B20: 1

= Imperial (in) = Metric ( mm )

X

Exceeding weight capacity for machine tool spindle and tool changer can cause machine damage and/or serious injury. To prevent: - Refer to page B20: 57 to see formula for calculaƟng weight of tool assembly. - Consult machine tool builder for machine's weight limitaƟons. Factory technical assistance is also available for specific applicaƟons through our ApplicaƟon Engineering department. ext: 7611 | email: appeng@alliedmachine.com WARNING Tool failure can cause serious injury. To prevent: - Do not exceed recommended 9xD length-to-diameter raƟo or exceed 4 total components (including shank) - Refer to example on page B20: 56 for calculaƟng length to diameter raƟo Factory technical assistance is available for your specific applicaƟons through our ApplicaƟon Engineering department. ext: 7611 | email: appeng@alliedmachine.com WARNING

SPECIALS

www.alliedmachine.com | 1.330.343.4283

B20: 49