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Description
Material HSSE-PM
Thread size M10
ChamferC (2–3) threads
Standard DIN 371
Technical data for the M10 blind-hole tap
| Technical Data | |
|---|---|
| Nominal Diameter d1 | M10 |
| Thread Pitch P | 1.5 mm |
| Helix Angle | 40° |
| Overall Length l1 | 100 mm |
| Flute Length l2 | 20 mm |
| Length l3 | 39 mm |
| Shank Diameter d2 | 10 mm |
| Square Drive Size a | 8 mm |
| Tap Drill Diameter | 8.5 mm |
| Chamfer | C (2÷3) P |
| Thread tolerance | 6H |
How a spiral flute tap evacuates chips from a blind hole
The 40° flute works like a screw conveyor
The flutes of this tap spiral to the right at an angle of 40° to the axis. The tap rotates clockwise and advances into the hole. Chips cut by the chamfer enter the flute, and the helix carries them upward like the auger in a meat grinder. The bottom of the hole stays clean, and the cutting edges do not encounter packed chips. The M10 x1.5 tap has a reinforced shank to DIN 371: diameter 10 mm, square 8 mm.
1
The 40° spiral flute carries chips upward from the chamfer.
2
The stepped chip exits the hole and breaks into short pieces.
3
The tap rotates clockwise to cut a right-hand thread.
4
Chamfer C: 2–3 incomplete threads on the tapered lead.
5
Clearance below the tap tip – min. 2 thread pitches above the bottom.
6
Feed 1.5 mm/rev, equal to the pitch of the M10 x1.5 thread.
M10 spiral flute machine tap – premium powder metallurgy steel
The premium-series M10 spiral flute machine tap is designed for machining difficult-to-machine materials under intensive operating conditions. HSSE-PM powder metallurgy steel construction provides a uniform microstructure and a hardness of 66-68 HRC while maintaining high cutting edge toughness. The 40° spiral flute ensures aggressive chip evacuation when tapping deep blind holes. The form C chamfer makes the tool particularly suitable for blind hole tapping close to the bottom of the hole. Tolerance class 6H in accordance with DIN 371 meets series production requirements.
Key features of the M10 spiral flute machine tap
- Manufacturing precision to 6H tolerance guarantees dimensional repeatability and full thread interchangeability in series production of mechanical components
- Compliance with DIN 371 confirms quality and ensures standardized short shank dimensions compatible with European machine tool holders
- Durability of HSSE-PM powder metallurgy steel enhanced by the uniform microstructure, allows 600-800 threads to be cut in structural steel
- Compatibility with ER16 and ER25 tool holders and tapping heads for CNC machining centers with synchronous tapping capability
- Designed for stainless steels austenitic and ferritic grades, as well as difficult-to-machine materials requiring increased tool heat resistance
- 40° spiral flutes ensure aggressive chip evacuation when tapping blind holes up to 2.5D deep without the risk of breakage
The M10 spiral flute tap is suitable for maintenance departments restoring threads and repairing production machinery. The tap drill diameter is 8.5 mm for an M10 thread with a standard pitch of 1.5 mm. The premium design is recommended for materials with variable hardness and steels containing inclusions.
Cutting data for the M10 blind-hole machine tap
| Material | Cutting speed Vc [m/min] | Spindle speed n [rpm] | Feed f [mm/min] |
|---|---|---|---|
| PSteel | 5-20 | 159-637 | 238-956 |
| MStainless steel | 5-10 | 159-318 | 238-477 |
| KCast iron | 5-15 | 159-477 | 238-716 |
| NAluminum | 10-25 | 318-796 | 477-1194 |
Thread preparation M10 in a blind hole
1 Spot drilling
NC spotting drill 90°
2 Drilling
Ø 8.5 mm
3 Tapping
M10
✓ Done!
Tolerance 6H
Standard: DIN 371 | Chamfer: C (spiral flute) | Application: 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)
Frequently asked questions
The M10 HSSE-PM tap is designed for austenitic and ferritic stainless steels, alloy steels, titanium and difficult-to-machine nickel alloys. The uniform microstructure of the powder metallurgy steel ensures stable operation even in materials containing inclusions.
For the M10x1.5 thread in tolerance class 6H, the tap drill diameter should be 8.5 mm. The permissible hole tolerance range is 8.5-8.7 mm. A smaller hole increases cutting torque, while a larger hole reduces the thread class.
Fana HSSE-PM taps are manufactured using powder metallurgy, providing a uniform microstructure and a hardness of 66-68 HRC compared with 65-67 HRC for standard HSSE. This translates into 30-50% longer tool life when machining stainless steels and improved resistance to chipping.
Product accessories
Hand tap M10 DIN 352/3 6H HSS Bucovice
Reference: 0000006583 In stock > 10 items
€11.84
€14.57 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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