Thread Milling

UN

THREADING | Solid Carbide and Indexable Thread Mills

Solid Carbide Thread Mills UN | Coolant Through

A

Internal

DRILLING

1/4P

60°

L 1

1/8P

External

L 6

D 2

D 1

B

UN | Coolant Through

BORING

Thread Mill

Part No.

TPI (Pitch)

Min Thread Ø

Flutes

ThreadMills USA TM08664CH TM08656CH TM09948CH TM12544CH TM12540CH TM16436CH TM13832CH TM16432CH TM19032CH TM50032CH TM19028CH TM25028CH TM50028CH TM19024CH TM31224CH TM37524CH TM50024CH TM25020CH HDTM19032CH HDTM19024CH HDTM25020CH

D 1

D 2

L 6

L 1

64 56 48 44 40 36 32 32 32 32 32 28 28 28 24 24 24 24 24 20 20 20 20

#2 #2 #3 #5 #4 #8 #6 #8

3* 3* 3*

0.065 0.065 0.075 0.095 0.085 0.115 0.100 0.115 0.150 0.150 0.370 0.120 0.180 0.370 0.145 0.145 0.235 0.285 0.370 0.180 0.195 0.335 0.370

0.125 0.125 0.125 0.125 0.125 0.125 0.125 0.125 0.187 0.187 0.375 0.125 0.187 0.375 0.187 0.187 0.250 0.312 0.375 0.187 0.250 0.375 0.375

0.125 0.125 0.167 0.228 0.175 0.250 0.218 0.250 0.312 0.312 1.000 0.312 0.500 1.000 0.312 0.312 0.625 0.750 1.000 0.500 0.500 0.875 1.000

1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 2.375 2.375 3.500 1.500 2.375 3.500 2.375 2.375 2.375 3.000 3.500 2.375 2.375 3.000 3.500

3

C

3*

3 3 3 3 3 6 3 3 6 3 3 3 4 6 3 3 4 6

REAMING

#10 #10 1/2 #10 1/4 1/2 #10 #10 3/8 1/2 1/4 1/4 5/16 7/16

D

BURNISHING

TM43720CH TM50020CH

1/2

*Straight fluted

E

THREADING

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 6mm 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: 22

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