BIG DAISHOWA High Performance Tooling Solutions Vol 3

BASIC ARBORS

BIG-PLUS Taper Catalog Number BBT50-MTA3-45 BBT50-MTA3-75 BBT50-MTA3-150 BBT50-MTA3-180 BBT50-MTA3-210 BBT50-MTA3-250 BBT50-MTA3-300 BBT50-MTA4-75 BBT50-MTA4-180 BBT50-MTA4-210 BBT50-MTA4-250 BBT50-MTA4-300 BBT50-MTA5-105 BBT50-MTA5-210

Standard Taper Catalog Number

Weight (lbs.)

Reference Drill Dia. (JIS B4302 1)

L

L 1

L 2

Fig.

MT

ØD

ØD 1

BT50-MTA3-45

1.77 2.95 5.91 7.09 8.27 9.84

.28

8.4 8.6

1

1.46 4.41 5.59 6.77 8.35

BT50-MTA3-150 BT50-MTA3-180

10.1 10.8 11.2 12.3 13.9

3

1.575

.925-1.240

2

3

1.988

4.53

11.81

10.31

BT50-MTA4-75 BT50-MTA4-180

1

2.95 7.09 8.27 9.84

1.46 5.59 6.77 8.35

8.6

11.9 12.3 13.7 15.4

4

1.969

1.260-1.969

2

11.81

10.31

BT50-MTA5-105 BT50-MTA5-210

1 2

4.13 8.27

2.64 6.77

9.9

5

2.559

2.008-2.992

15.9

• The model, dimensions and accuracy conform to TMT standards

149

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