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Description
Material HSSE
Thread size M30
ChamferA (6÷8) threads
Standard DIN 376
Technical data for the M30 machine tap
| Technical Data | |
|---|---|
| Nominal Diameter d1 | M30 |
| Thread Pitch P | 3.5 mm |
| Overall Length l1 | 180 mm |
| Flute Length l2 | 45 mm |
| Shank Diameter d2 | 22 mm |
| Square Drive Size a | 18 mm |
| Tap Drill Diameter | 26.5 mm |
| Chamfer | A (6÷8) P |
| Thread tolerance | 6H |
M30 general-purpose machine tap – HSSE DIN 376
The M30 machine tap is a professional tool for cutting internal threads in general-purpose holes. Made from HSSE high-speed steel with 5% cobalt and a hardness of 65-67 HRC, it provides optimal cutting edge life and stable operation at temperatures up to 650°C. Tolerance 6H according to DIN 376.
Main advantages of the M30 machine tap
- HSSE material – hardness of 65-67 HRC and heat resistance up to 650°C
- Form A chamfer (6÷8 threads) – optimal for both through holes and blind holes
- Tolerance 6H – standard accuracy grade for bolted joints
- Compliance with DIN 376 – verified dimensional quality
The M30 machine tap is used in toolrooms and maintenance departments. The recommended tap drill diameter is 26.5 mm.
Cutting data for the M30 machine tap
| Material | Cutting speed Vc [m/min] | Spindle speed n [rpm] | Feed f [mm/min] |
|---|---|---|---|
| PSteel | 5-20 | 53-212 | 185-742 |
| MStainless steel | 5-10 | 53-106 | 185-371 |
| KCast iron | 5-15 | 53-159 | 185-556 |
| NAluminum | 10-25 | 106-265 | 371-927 |
Thread preparation M30 in a through hole or blind hole
1 Spot drilling
NC spotting drill 90°
2 Drilling
Ø 26.5 mm
3 Tapping
M30
✓ Done!
Tolerance 6H
Standard: DIN 376 | Chamfer: A (straight) | Application: through holes and blind holes
Tolerance 6H — metric thread tolerance classes
| Class | Accuracy | Application | Status |
|---|---|---|---|
| 4H / 4g | High | Precision connections, hydraulics | — |
| 6H / 6g | Standard | Machine building, general-purpose | SELECTED |
| 7H / 8g | Low | Large clearance, easy assembly | — |
6H = internal thread (nut, hole) | 6g = external thread (screw)
Product accessories
Machine tap M30 DIN 376/35 C HSSE Narex
Reference: 001579 In stock < 10 items
€55.26
€67.97 brutto
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Shipping
All orders are delivered by courier company GLS. For orders exceeding 369 PLN gross shipping is FREE
| Courier GLS | Przelew24 / Prepayment | 14,76 zł gross | Delivery time 1 working day |
| Courier GLS | Cash on delivery | 17,26 zł gross | Lead time 1 working day |
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