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Machine Tap M24x2 DIN 374/35 C HSSE
0000007282
€48.55 tax inc.
Net price: €39.47
Description
Material HSSE
Thread size M24x2
ChamferC (2–3) threads
Standard DIN 374
Technical data for the M24x2 blind hole tap
| Technical Data | |
|---|---|
| Nominal Diameter d1 | M24x2 |
| Thread Pitch P | 2 mm |
| Helix Angle | 35° |
| Overall Length l1 | 140 mm |
| Flute Length l2 | 20 mm |
| Length l3 | 55 mm |
| Shank Diameter d2 | 18 mm |
| Square Drive Size a | 14.5 mm |
| Tap Drill Diameter | 22 mm |
| Chamfer | C (2÷3) P |
| Thread tolerance | 6H |
How a spiral flute tap evacuates chips from a blind hole
The 35° flute works like a screw conveyor
The flutes of this tap follow a right-hand helix at an angle of 35° 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 clear, and the cutting edges do not encounter packed chips. The M24x2 tap has a reduced shank to DIN 374: diameter 18 mm, square drive 14.5 mm.
1
The 35° 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 2 mm/rev, equal to the pitch of the M24x2 thread.
M24x2 spiral flute machine tap – for metric fine threads
The M24x2 spiral flute machine tap from the metric fine thread series is designed to produce intermediate-pitch threads in machine bodies and steel structures. HSSE steel construction with 5% cobalt provides a hardness of 65-67 HRC and high cutting edge heat resistance up to 650°C. The 35° spiral flute ensures controlled chip evacuation when tapping deep blind holes. Its form C chamfer makes the tool particularly suitable for tapping close to the bottom of blind holes. The 6H tolerance conforming to DIN 374 meets industrial production requirements.
Key features of the M24x2 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 374 confirms quality and ensures standardized dimensions for metric fine threads compatible with European standards
- Durability of HSSE steel with 5% cobalt allows operation at temperatures up to 650°C without loss of the cutting edge's mechanical properties
- Compatibility with ER40 holders and tapping heads for CNC machining centers with synchronous tapping capability
- Designed for steel structures includes welded components, machine frames, load-bearing structures, and bolted connections with increased strength
- 35° spiral flutes ensure consistent chip evacuation when tapping blind holes up to 2.5D deep without the risk of breakage
The M24x2 spiral flute tap is well suited to maintenance departments for thread restoration and production machinery repairs. The fine pitch of 2 mm provides a larger contact area than the standard M24x3 thread. The tap drill diameter for the M24x2 thread is 22 mm according to metric fine thread tables.
Cutting data for the M24x2 blind hole machine tap
| Material | Cutting speed Vc [m/min] | Spindle speed n [rpm] | Feed f [mm/min] |
|---|---|---|---|
| PSteel | 5-20 | 66-265 | 132-530 |
| MStainless steel | 5-10 | 66-133 | 132-266 |
| KCast iron | 5-15 | 66-199 | 132-398 |
| NAluminum | 10-25 | 133-332 | 266-664 |
Thread preparation M24x2 in a blind hole
1 Spot drilling
NC spotting drill 90°
2 Drilling
Ø 22 mm
3 Tapping
M24x2
✓ Done!
Tolerance 6H
Standard: DIN 374 | 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 M24x2 HSSE metric fine machine tap is suitable for structural steels up to 900 MPa, stainless steels, aluminum, and brass. The intermediate pitch of 2 mm is used in steel structures requiring connections with increased strength.
For the M24x2 metric fine thread in tolerance class 6H, the tap drill diameter should be 22 mm. The permissible hole tolerance range is 22.0-22.2 mm. A smaller hole increases cutting torque and the risk of tool breakage.
Yes, cooling with an oil emulsion at a minimum concentration of 8% or with tapping oil is recommended and extends tool life by a factor of 2-3. Intensive cooling is required when machining stainless steels, while aluminum can be tapped with minimal lubrication.
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| 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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