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