Thread mills drastically reduce the occurrences of scrap when compared to taps, which makes them desirable when manufacturing large and/or costly components. ThreadMills USA is an economic thread milling product backed by Allied’s experienced technical staff and provides quality threads when compared to other thread making processes. ThreadMills USA is an Allied Machine & Engineering Company known for producing high quality thread mills.
Advantages
- Quality thread mills at an affordable price
- One tool can cut right and left hand threads
- Increased strength and rigidity when cutting forces are applied
- Standard cutting lengths accommodate multiple applications without the need for an engineered special
- Reduced chipping and longer tool life in blind hole applications when using coolant through
- Re-sharpening service available
Features
- TiAlN coating
- Thicker core
- Helical flutes
- Wide range of forms and pitches
- Imperial and metric shanks
- Coolant through
- Online programming
Recommended Materials
Steel
High Tem Alloy
Sainless Steel
Hardened Steel
Cast Iron 
Non-ferrous MaterialsRecommended Industries
Aerospace
Agriculture
Automotive
Renewable Energy/ Energy
Firearms
General Production
Oil and Gas
Marine
MedicalProduct Specifications
| Product Type | Solid carbide thread mill |
| Thread Form | NPT, NPTF, NPS, NPSF, BSPP, BSPT, BSW, UN, ISO |
| Shank Options | Imperial, Metric |
| Coating | TiAlN |
| Substrate Options | Carbide |
| Coolant | Coolant and Non-coolant |
Product Nomenclature
AccuThread 856 Solid Carbide Thread Mills
| TM |
|---|
| 1 |
| 250 |
|---|
| 2 |
| 20 |
|---|
| 3 |
| CH |
|---|
| 4 |
| M |
|---|
| 5 |
| 1. Thread Mill |
|---|
|
TM = Standard TMFT = Uncoated HDTM = Heavy duty HDTMFT = Heavy duty uncoated |
| 2. Min Thread Diameter |
|---|
|
250 = 1/4 (English) 08 = #8 (Number Drill) 45 = M4.5 (ISO) |
| 3. Thread Pitch |
|---|
|
20 = UN 20 TPI 075 = ISO 0.75 NPT = All pipe threads will show thread form |
| 4. Optional |
|---|
|
CH = Coolant hole DE = Double end NPT = All pipe threads will show thread form |
| 5. Shank |
|---|
|
Blank = Imperial M = Metric |
Reference Key
| Symbol | Atribute |
|---|---|
|
D1 D2 L1 L6 |
Maximum cutter diameter Shank diameter Overall length Length of cut |
Recommended Cutting Data
ThreadMills USA
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