AMPC-E_US-EN

THREADING | Solid Carbide and Indexable Thread Mills

Product Nomenclature

A

AccuThread® 856 Solid Carbide Thread Mills

DRILLING

TM

U K

0250 - 20

M

1

2

3

4

5

6

1. Thread Mill

2. Thread Class

3. Coating

4. Min Thread Diameter

5. Thread Pitch

6. Shank

TM = Standard

U = UN

K = AM210® U = Uncoated

0250 = 1/4 (English)

20 = UN 20 TPI 075 = ISO 0.75 NPT = All pipe threads will show thread form

Blank = Imperial

B

HDTM = Heavy duty TW = Weldon flat

N = NPT, NPTF

0008 = #8 (Number Drill)

M = Metric

B = BSPP, BSPT, BSW M = ISO A = AccuPort® specific

0450 = M4.5 (ISO)

BORING

ThreadMills USA™ Solid Carbide Thread Mills

C

TM 250 20

CH

M

1

2

3

4

5

REAMING

1. Thread Mill

2. Min Thread Diameter 250 = 1/4 (English) 08 = #8 (Number Drill)

3. Thread Pitch

4. Optional

5. Shank

TM = TiAlN

20 = UN 20 TPI 075 = ISO 0.75 NPT = All pipe threads will show thread form

CH = Coolant hole DE = Double end

Blank = Imperial

TMFT = Uncoated HDTM = Heavy duty

M = Metric

NPT = All pipe threads will show thread form

45 = M4.5 (ISO)

HDTMFT = Heavy duty uncoated

D

BURNISHING

Reference Key Symbol

L 1

Attribute

L 6

D 1 D 2

Maximum cutter diameter

Shank diameter Overall length Length of cut

D 2

D 1

L 1 L 6

E

THREADING

X

SPECIALS

E: 6

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