Thread Rolls
- Rolls For Multi Start Jobs.
- Infeed Rolls.
- Annular Through Feed Rolls ( with or without Lead - In)
- Helical Through Feed Rolls (With Lead In & Run Off)
- Rolls for Fette Heads/ Winter Heads/Wagner Heads
- Rolls For Other Tangential Heads
- Rolls For Making Oil Grooves.
| THREAD PROFILE | ANGLE |
| Metric | 60 |
| British Standard Withworth | 55 |
| British Standard Fine (BSF) | 55 |
| British Association (BA) | 47.5 |
| American Standard ACME | 29 |
| American Standard Butttress | as per customer Requirement |
| Unified (UNC/ UNF / UNEF ) | 60 |
| National Pipe Taper (NPT) | 60 |
| National Pipe Straight (NPS) | 60 |
Any special thread profile as per customer's requirements can also be made upto Ø 300mm.
| STEELS USED IN MANUFACTURER OF THREAD ROLLS | |||
| Steel | APPLICATION | HARDNESS OF ROLL | |
| AISI D2 | USED FOR COMPONENTS UPTO 16HRc | 59 - 61 HRc | |
| DELTA STEEL | USED FOR STAINLESS STEEL (EXCEPT 202) AND HARDEND COMPONENT ROLLING UPTO 32 HRc | 61 - 63 HRc | |
| DM5 | USED FOR STAINLESS STEEL (EXCEPT 202) AND HARDEND COMPONENT ROLLING BETWEEN 30 - 45HRc | 61 - 64 HRc | |
| HSS M2 | USED FOR STAINLESS STEEL (EXCEPT 202) AND HARDEND COMPONENT ROLLING BETWEEN 30 - 45HRc | 62 - 64 HRc | |
| HSS M35 | FOR TANGENTIAL ROLLING HEAD ROLLS | 62 - 64 HRc | |
| Keyway (C11) |
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| Bore Diameter d (H7) | Width F | Depth d1 | Width of Thread Roll (W) |
| 40 | 12 | 4 | From 30 mm to 180 mm |
| 54 | 12 | 4 | |
| 63 | 12 | 4 | |
| 69.85 | 12.7 | 5 | |
| 80 | 16 | 5 | |
| 100 | 16 | 5 | |
| Type of Machine | Max. Dia. of Thread Roll in mm. | Recomended Max. Width of Roll in mm. |
| Praga 511 | 100 | 50 |
| WMW 8 ton | 125 | 80 |
| Baco Smith | 130 | 80 |
| Praga 512 | 170 | 130 |
| MTR - 15 170 | 130 | 130 |
| WMW 12.5 Ton | 185 | 150 |
| Praga 513 | 200 | 150 |
| Praga 514 | 230 | 150 |
| WMW 25 Ton | 230 | 180 |
