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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.
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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
Coating
AM210®
Substrate Options
Carbide
Coolant
Noncoolant
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
Recommended Cutting Data
Additional Resources and Guidelines
