AMPC_US-EN

BSPT

THREADING | Solid Carbide and Indexable Thread Mills

Solid Carbide Thread Mills BSPT

A

Internal

R0.137P

DRILLING

27.5° 27.5°

h

R0.137P

90°

L 1

1° 47’

External

L 6

D 2

D 1

B

BSPT | Noncoolant

BORING

Thread Mill

Part No.

TPI (Pitch)

Min Thread Ø

D 1

D 2

L 6

L 1

Flutes

ThreadMills USA™ AccuThread® 856

TM28BSPT TM19BSPT TM14BSPT TM11BSPT

- - - -

28 19 14 11 28 19 14 11

1/16 and 1/8 1/4 and 3/8 1/2 and 3/4

3 4 4 4 3 4 4 4

0.240 0.310 0.470 0.620

0.250 0.312 0.500 0.625

0.393 0.580 0.787 1.546

2.500 3.000 3.500 4.000 58.00 73.00 84.00 93.00

1

C

TM28BSPTM TMBK0063-BSPTM TM19BSPTM TMBK0250-BSPTM TM14BSPTM TMBK0500-BSPTM TM11BSPTM TMBK1000-BSPTM

1/16 and 1/8 1/4 and 3/8 1/2 and 3/4

5.97 9.91

6.00

9.98

10.00 12.00 16.00

14.73 20.00 32.31

11.94 15.75

REAMING

1

Internal

R0.137P

27.5° 27.5°

h

D

R0.137P

90°

L 1

1° 47’

External

L 6

BURNISHING

D 2

D 1

BSPT | Coolant Through

Thread Mill

Part No.

TPI (Pitch)

Min Thread Ø

D 1

D 2

L 6

L 1

Flutes

ThreadMills USA™ TM28BSPTCH TM19BSPTCH TM14BSPTCH TM11BSPTCH TM28BSPTCHM TM19BSPTCHM TM14BSPTCHM TM11BSPTCHM

E

28 19 14 11 28 19 14 11

1/16 and 1/8 1/4 and 3/8 1/2 and 3/4

3 4 4 4 3 4 4 4

0.240 0.310 0.470 0.620

0.250 0.312 0.500 0.625

0.393 0.580 0.787 1.546

2.375 3.000 3.500 4.000 58.00 84.00 84.00 93.00

THREADING

1

1/16 and 1/8 1/4 and 3/8 1/2 and 3/4

5.97 9.91

6.00

9.98

10.00 12.00 16.00

14.73 20.00 32.31

11.94 15.75

1

X

Weldon Flat

E: 52 - 55

E: 4

SPECIALS

To order a thread mill with a Weldon flat, replace the leading TM designator with TW (available for inch shanks 3/8 and above, or metric shanks 6 mm and above) Example: Cylindrical shank = TM NK0500-NPT | Weldon shank flat = TW NK0500-NPT NOTE: Weldon flats have a minimum order quantity of 2 pieces

Key on E: 1

= Imperial (in) = Metric (mm)

E: 10

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