Criterion Boring Product Catalog

BORING | Criterion® Modular Boring Systems

Master Shanks

NMTB and DIN 2080 Shanks

NMTB Taper Shanks

B20

Imperial (in)

Shank

D 1

L 3

L 4

Style

Weight (lbs)

Thread 7/8 - 20

Retention Knob Thread

Part No.

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

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 1.190 1.780 2.310 6.750 6.870 8.320

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

NMTB 30

1-1/2 - 18 7/8 - 20 1-1/2 - 18 7/8 - 20 1-1/2 - 18 2-1/4 - 10

NMTB 40

1 - 8 1 - 8 1 - 8

NMTB 50

DIN 2080

Metric (mm)

Shank

D 1

L 3

L 4

Weight (kg)

Thread 7/8 - 20 7/8 - 20 7/8 - 20 11/2 - 18 11/2 - 18

Retention Knob Thread

Part No.

CB050M-ISO30 CB050M-ISO40 CB038M-ISO50 CB076M-ISO40 CB076M-ISO50

17.00 11.00 11.00 22.00 36.00

25.70 27.70 39.40 27.70 39.40

0.45 (kg) 0.91 (kg) 2.88 (kg) 1.32 (kg) 3.36 (kg)

M12 M16 M24 M16 M24

50.00

76.00

Assembly of modular components may cause machine damage and/or serious injury. To prevent: -Do not exceed the allowable weight for your machine tool. -Do not exceed the recommended length-to-diameter ratio, which can impact tool stability and performance. For detailed guidelines on safe configurations, please refer to pages B20: 45 - 46 or visit www.alliedmachine.com/CriterionBoringGuidelines. WARNING

B20: 47 - 48

B20: 43 - 44

B20: 7 - 8

B20: 22

B20: 35

Key on B20: 2

= Metric ( mm ) = Imperial (in)

www.alliedmachine.com | 1.330.343.4283

B20: 6