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Description
Material HSSE
Thread size M5
ChamferC (2–3) threads
Standard DIN 376
Technical data for the M5 HSSE INOX general-purpose machine tap
| Technical Data | |
|---|---|
| Nominal Diameter d1 | M5 |
| Thread Pitch P | 0.8 mm |
| Overall Length l1 | 70 mm |
| Flute Length l2 | 16 mm |
| Shank Diameter d2 | 3.5 mm |
| Square Drive Size a | 2.7 mm |
| Tap Drill Diameter | 4.2 mm |
| Chamfer | C (2÷3) P |
| Thread tolerance | 6H |
Where chips remain in a straight-flute tap
The flute holds the chips until the tap is reversed out
The straight flute runs parallel to the tap axis. There is no helix to carry chips upward. The chamfer cutting edges are not ground at an angle, so they do not push chips downward. Short chips break into fragments and remain in the flute, next to the cutting edges that produced them. They leave the hole only when the tap is backed out. The M5 x0.8 tap has a reduced shank to DIN 376: diameter 3.5 mm, square size 2.7 mm.
1
Straight flute – chips remain in the flute, next to the cutting edges that produced them.
2
Chamfer C: 2–3 incomplete threads on the tapered lead.
3
The tap rotates clockwise to cut a right-hand thread.
4
Individual fragments exit at the top, onto the workpiece surface.
5
A few fragments fall below the tip and exit through the bottom of the hole.
6
Feed 0.8 mm/rev, equal to the pitch of the M5 x0.8 thread.
M5 INOX machine tap – versatile HSSE tool
In this line, the manufacturer offers the M5 INOX machine tap with a long shank according to DIN 376 and optimized cutting geometry for metric threads with a diameter of 5 mm. The tool meets DIN 376 requirements and provides the 6H thread tolerance class required in series production of mechanical and precision components. Its HSSE steel construction with 5% cobalt guarantees a hardness of 66 HRC and resistance to temperatures up to 650°C in the cutting zone. Form C with straight flutes provides versatility for through and blind holes in stainless steels.
Advantages of the M5 tap for through and blind holes
- Long shank to DIN 376 provides increased clamping rigidity and eliminates vibration at high spindle speeds on CNC machines
- Durability increased by the addition of cobalt in HSSE steel extends cutting edge life by 40-60% compared with standard HSS taps
- Material versatility covering austenitic stainless steels 304 and 316, structural steels up to 800 MPa and nonferrous metals such as aluminum and brass
- Precision to tolerance class 6H meeting the requirements of series production of mechanical and pneumatic components with tight fit tolerances
- Conforms to DIN 376 ensures standardized long shank dimensions and interchangeability with tools from European cutting tool manufacturers
- M5 HSSE machine tap with form C ensures proper chip evacuation in through holes and blind holes without the risk of jamming
The M5 general-purpose machine tap is used in electronics, precision engineering, and the manufacture of industrial automation components. The M5 machine tap for through and blind holes is compatible with ER16 holders. The tap drill diameter for the M5 thread is 4.2 mm.
Cutting data for the universal M5 HSSE INOX machine tap
| Material | Cutting speed Vc [m/min] | Spindle speed n [rpm] | Feed f [mm/min] |
|---|---|---|---|
| PSteel | 5-20 | 318-1273 | 254-1018 |
| MStainless steel / INOX | 5-10 | 318-637 | 254-510 |
| KCast iron | 5-15 | 318-955 | 254-764 |
| NAluminum | 10-25 | 637-1592 | 510-1274 |
Thread preparation M5
1 Spot drilling
NC spotting drill 90°
2 Drilling
Ø 4.2 mm
3 Tapping
M5
✓ Done!
Tolerance 6H
Standard: DIN 376 | Chamfer: C (straight) | Application: general-purpose (through 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)
Frequently asked questions
With proper cooling and lubrication, the M5 HSSE tap produces 400-600 threads in structural steel or 250-350 threads in stainless steel. Dry machining reduces tool life by 40-50%.
Yes, the M5 HSSE tap with 5% cobalt is designed for austenitic stainless steels 304 and 316. The cobalt addition increases heat resistance up to 650°C in the cutting zone.
An HSSE tap contains 5% cobalt, which increases hardness from 64 to 66 HRC and heat resistance to 650°C. HSSE is suitable for stainless steels, while HSS is suitable only for structural steels up to 800 MPa.
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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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