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.
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  
Materials
x
Steel
High Temp Alloy
Stainless Steel
Hardened Steel
Cast Iron
Aluminum
Icon Reference




Recommended Industries  
Industries
x
Medical
Renewable Energy/ Energy
Automotive
Aerospace
Firearms
Agriculture
Oil and Gas
Marine
General Production
Heavy Equipment
Hydraulics
Tool, Mold, and Die
Structural Steel Fabricator
Icon Reference



AccuThread Solid Carbide: Rotate
AccuThread Solid Carbide: Rotate
AccuThread Solid Carbide Angle
AccuThread Solid Carbide Side
AccuThread Solid Carbide Close
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
Non-coolant

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
Threading
Solid Carbide and Indexable Thread Mills

Available Online Only

Recommended Cutting Data
AccuThread™ 856 Solid Carbide

Additional Resources