AMPC-E_EU-EN

BSW

THREADING | Solid Carbide and Indexable Thread Mills

Solid Carbide Thread Mills BSW | Non-Coolant

A

Internal

R0.137P

55°

DRILLING

L 1

R0.137P

External

L 6

D 2

D 1

B

BSW | Non-Coolant

Thread Mill

Part No.

TPI (Pitch)

Min Thread Ø

BORING

Flutes

D 1

D 2

L 6

L 1

ThreadMills USA™

AccuThread® 856 TMBK0250-20M TMBK0312-18M TMBK0375-16M TMBK0437-14M TMBK0500-12M TMBK0625-11M TMBK0750-10M TMBK0875-9M TMBK1000-8M

TM20BSWM TM18BSWM TM16BSWM TM14BSWM TM12BSWM TM11BSWM TM10BSWM TM9BSWM TM8BSWM

20 18 16 14 12 11 10 20 18 16 14 12 11 10 9 8

1/4

3 3 5 5 5 5 5 6 6 3 3 5 5 5 5 5 6 6

4.50 5.00 7.00 7.90 9.00

6.00 6.00 8.00 8.00

10.16 11.29 14.29 18.15 19.10 23.10 27.94 28.23 34.94 0.400 0.445 0.563 0.715 0.750 0.910 1.100 1.112 1.375

58.00 58.00 64.00 64.00 73.00 84.00 84.00 93.00 93.00 2.500 2.500 3.000 3.000 3.500 3.500 3.500 4.000 4.000

5/16

3/8

7/16

1/2 5/8 3/4 7/8

10.00 12.00 12.00 16.00 16.00 0.250 0.250 0.312 0.312 0.375 0.500 0.500 0.625 0.625

11.90 11.90 15.90 15.90 0.177 0.197 0.276 0.311 0.354 0.468 0.468 0.620 0.620

C

1

TM20BSW TM18BSW TM16BSW TM14BSW TM12BSW TM11BSW TM10BSW TM9BSW TM8BSW

- - - - - - - - -

1/4

REAMING

5/16

3/8

7/16

1/2 5/8 3/4 7/8

9 8

1

D

BURNISHING

E

THREADING

X

Weldon Flat

E: 54 - 57

E: 4

SPECIALS

To order a thread mill with a Weldon flat, replace the leading TM designator with TW (available for metric shanks 6 mm and above, or inch shanks 3/8 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

= Metric (mm ) = Imperial (in)

E: 8

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