Threading

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AccuThread™ 856

Thread mills drastically reduce the occurrences of scrap when compared to taps, which makes them desirable when manufacturing large and/or costly components. AccuThread™ 856 is a premium thread milling product backed by Allied’s experienced technical staff. AccuThread™ 856 provides quality threads when compared to other thread making processes.
AccuThread™ 856: Rotate
AccuThread Solid Carbide Angle Final
AccuThread Solid Carbide Side
AccuThread Solid Carbide Close Final
 

Advantages

  • Provides a 25-50% increase in tool life over the competition
  • Increased strength and rigidity when cutting forces are applied
  • Standard cutting lengths accommodate multiple applications without the need for an engineered special
  • Re-sharpening service available

 

Features

  • Allied's proprietary AM210® coating
  • Thicker core
  • Helical flutes
  • Wide range of forms and pitches
  • Imperial and metric shanks
  • Online programming

 

Recommended Materials

P - steel Steel
S - high temp alloy High Tem Alloy
M - Stainless Steel Sainless Steel
H - Hardened Steel Hardened Steel
K - cast iron Cast Iron
N - Non-ferrous Materials Non-ferrous Materials

 

Recommended Industries

Aerospace Aerospace
Agriculture Agriculture
Automotive Automotive
Renewable Energy Renewable Energy/ Energy
Firearms Firearms
General Production General Production
Oil Gas Oil and Gas
Marine Marine
Medical Medical

 

Product Specifications

Product Type Solid carbide thread mill
Thread Form NPT, NPTF, NPS, NPSF, BSPP, BSPT, BSW, UN, ISO
Shank Options Imperial, Metric
Coating AM210®
Substrate Options Carbide
Coolant Non-coolant

 

Product Nomenclature

AccuThread 856 Solid Carbide Thread Mills

TM
1
U
2
K
3
0250
4
-
20
5
M
6
AccuThread 856 Solid Carbide
 
1. Thread Mill

TM = Standard

HDTM = Heavy duty

2. Thread Class

U = UN

N = NPT, NPTF

B = BSPP, BSPT, BSW

M = ISO

A = AccuPort® specifc

3. Coating

K = AM210®

U = Uncoated

4. Min Thread Diameter

0250 = 1/4 (English)

0008 = #8 (Number Drill)

0450 = M4.5 (ISO)

5. Thread Pitch

20 = UN 20 TPI

075 = ISO 0.75

NPT = All pipe threads will show thread form

6. Shank

Blank = Imperial

M = Metric

 

 

Reference Key
SymbolAtribute

D1

D2

L1

L6

Maximum cutter diameter

Shank diameter

Overall length

Length of cut

AccuThread Solid Carbide dimensions

 

 

Recommended Cutting Data

AccuThread™ 856 Solid Carbide

SF Metric Cutting Data

SF Imperial Cutting Data

Metric

Imperial

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