This HSSE Mũi taro nén ren is engineered for the chipless production of ren trong. Instead of generating chips, it displaces and work-hardens the material to produce smooth, precise and durable threads. The Form C design without oil groove increases tool rigidity and fracture resistance, enabling higher permissible cutting speeds and consistent profile accuracy in aluminium, copper, brass, bronze and zinc alloys, including parts with galvanic protection layers.
The ISO3X (6GX) former tolerance applies a slight oversize (approx. 0.02–0.04 mm) to compensate for elastic springback during forming, ensuring that the finished thread reliably meets the target tolerance. The result is long tool life, high thread strength and zero chip-handling issues.
| Thread type | ren hệ mét ISO DIN 13 |
| Standard | DIN 376 |
| Form | Form C (lead-in length, without oil groove) |
| Material | HSSE |
| Tolerance (former) | ISO 3X / 6GX (oversize ~0.02–0.04 mm) |
| Nominal size | M 12 × 1.75 |
| Overall length (L1) | 110 mm |
| Thread length (L2) | 29 mm |
| Shank Ø (D2) | 9 mm |
| Drive square | 7 mm |
| Article số | 35517-6G |
Do I need special chip evacuation?
số Thread forming is chipless, eliminating swarf jamming—especially beneficial in lỗ bít.
Which cutting data should I start with?
Due to the stronger core (no oil groove) higher speeds are typically possible than with cutting taps. Select values based on material, lubrication and machine capability.
What benefits come from work-hardening the flanks?
Cold forming increases flank strength and wear resistance, improving the service life of the threaded joint.
Manual use?
Possible, but machine use is recommended for repeatable quality and process reliability.
How do I choose the forming core diameter?
Use a forming chart for M 12 × 1.75. The core diameter for forming is larger than for cutting because material is displaced, not removed.
Need help with selection, cutting data or lubricants? Get in touch via our biểu mẫu liên hệ.
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| Loại ren | metric ISO-thread |
|---|---|
| Tiêu chuẩn | DIN 376 |
| Form | Form C |
| Vật liệu | HSSE |
| Tolerance | ISO3X (6GX) |
| Kích thước | M 12 x 1.75 |
| Overall length (L1) | 110 mm |
| Thread length (L2) | 29 mm |
| Core hole diameter (D1) | 11.2 mm |
| Shank diameter (D2) | 9.0 mm |
| Drive connector | 7.0 mm |
| Mã hàng | 35517-6G |
| Phạm vi ứng dụng | for through and blind holes |
| Chuẩn ren | DIN 13 |










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