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Products > Threading > Solid Carbide > AccuThread® 856 > Overview
AccuThread® 856    360 Icon
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.
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
  • Resharpening service available
Features
  • Allied's proprietary AM210® coating
  • Thicker core
  • Helical flutes
  • Wide range of forms and pitches
  • Imperial and metric shanks
  • Online programming
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Recommended Materials  
Materials
x
Key Icon Steel
Material Key Icon High Temp Alloy
Key Icon Stainless Steel
Material Key Icon Hardened Steel
Key Icon Cast Iron
Material Key Icon Non-Ferrous
KeyIcon Reference

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Key Icon Medical
Industry Key Icon Renewable Energy/ Energy
Key Icon Automotive
Industry Key Icon Aerospace
Key Icon Firearms
Industry Key Icon Agriculture
Key Icon Oil and Gas
Industry Key Icon Marine
Key Icon General Production
Industry Key Icon Heavy Equipment
Key Icon Hydraulics
Industry Key Icon Tool, Mold, and Die
Key Icon Structural Steel Fabricator
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Technical Information
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
Noncoolant

Product Nomenclature
AccuThread 856 Solid Carbide Thread Mills
Thread Mill
x
TM = Standard
HDTM = Heavy duty
TM
Thread Class
x
U = UN
N = NPT, NPTF
B = BSPP, BSPT, BSW
M = ISO
A = AccuPort® specific
U
Coating
x
K = AM210®
U = Uncoated
K
Min Thread Diameter
x
0250 = 1/4 (english)
0008 = #8 (number drill)
0450 = M4.5 (ISO)
 
0250
-
Thread Pitch
x
20 = UN 20 TPI
075 = ISO 0.75
NPT = All pipe threads will show thread form
20
Shank
x
Blank = Imperial
M = Metric
M
Solid Carbide/Indexable Solutions
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Recommended Cutting Data
AccuThread® 856 Solid Carbide

Additional Resources and Guidelines
SUPPORT

Application Support
Email  |  330.343.4283 x7611

Customer Support
Email  |  330.343.4283 x8610

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