AMPC-E-AT3_US-EN

THREADING | AccuThread® T3 Solid Carbide Thread Mills

AccuThread T3 Overview and Nomenclature

A

Left Hand Cutting The tool continues to climb mill while it moves from top to bottom Advantage Improves tool life and produces a precise thread form

DRILLING

B

BORING

AM210® Coating Multi-layer PVD coating Advantage

3 Cutting Teeth The tool cuts minimal threads at once and reduces side deflection Advantage Cuts harder materials, and produces deeper threads than a standard thread mill

Improves cycle times and tool life

C

REAMING

Additional Information • Available in UN and ISO thread forms • Available in imperial and metric shanks • Available in 2xD and 3xD lengths

Internal

Internal

1/4P

1/4P

60°

60°

D

1/8P

External

1/8P

External

UN Thread Form

ISO Thread Form

BURNISHING

AccuThread T3 Solid Carbide Thread Mills

TM 073 64

M - 3T

2X

1

2

3

4

5

6

E

1. Thread Mill

2. Min Thread Diameter

3. Pitch

4. Shank

5. Style

6. Depth to Diameter Ratio

TM = Standard

250 = 1/4 (English) 45 = M4.5 (Metric)

20 = UN 20 TPI 075 = Metric 0.75

Blank = Imperial

3T = 3 tooth

2X = 2xD 3X = 3xD

THREADING

M = Metric

Reference Key Symbol

Attribute

L 1

X

L 6

D 1 D 2 D 3

Maximum cutter diameter

Shank diameter

D 2

D 1

SPECIALS

Undercut diameter

L 1 L 6

Overall length Length of cut

D 3

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E: 3