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Machine Tap M36X1.5 DIN 374/35 C HSSE
0000006993
€103.58 tax inc.
Net price: €84.21
Description
Material HSSE
Thread size M36x1.5
ChamferC (2–3) threads
Standard DIN 374
Technical data for the M36x1.5 blind hole tap
| Technical Data | |
|---|---|
| Nominal Diameter d1 | M36x1.5 |
| Thread Pitch P | 1.5 mm |
| Helix Angle | 35° |
| Overall Length l1 | 170 mm |
| Flute Length l2 | 30 mm |
| Length l3 | 72 mm |
| Shank Diameter d2 | 28 mm |
| Square Drive Size a | 22 mm |
| Tap Drill Diameter | 34.5 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 M36x1.5 tap has a reduced shank to DIN 374: diameter 28 mm, square drive 22 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 1.5 mm/rev, equal to the pitch of the M36x1.5 thread.
M36x1.5 spiral flute machine tap – metric fine thread for industrial hydraulics
The M36x1.5 spiral flute machine tap from the metric fine thread series is designed to produce leak-tight connections in large-diameter hydraulic systems. Made from HSSE steel with 5% added cobalt, it provides a hardness of 65-67 HRC and high cutting edge heat resistance up to 650°C. The 35° spiral flute guarantees controlled chip evacuation when tapping deep blind holes. The form C chamfer makes the tool particularly suitable for blind hole tapping close to the hole bottom. The 6H tolerance in accordance with DIN 374 meets precision manufacturing requirements.
Key features of the M36x1.5 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 industrial hydraulics includes valve blocks, cylinder bodies, directional control valves, and large pressure system components
- 35° spiral flutes ensure consistent chip evacuation when tapping blind holes up to 2.5D deep without the risk of breakage
The M36x1.5 spiral flute tap is suitable for the production of valve blocks and industrial valves and fittings requiring leak-tight threaded connections. The fine pitch of 1.5 mm provides a larger contact area than the standard M36x4 thread. The tap drill diameter for the M36x1.5 thread is 34.5 mm according to metric fine thread tables.
Cutting data for the M36x1.5 blind hole machine tap
| Material | Cutting speed Vc [m/min] | Spindle speed n [rpm] | Feed f [mm/min] |
|---|---|---|---|
| PSteel | 5-20 | 44-177 | 66-266 |
| MStainless steel | 5-10 | 44-88 | 66-132 |
| KCast iron | 5-15 | 44-133 | 66-200 |
| NAluminum | 10-25 | 88-221 | 132-332 |
Thread preparation M36x1.5 in a blind hole
1 Spot drilling
NC spotting drill 90°
2 Drilling
Ø 34.5 mm
3 Tapping
M36x1.5
✓ 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 M36x1.5 HSSE metric fine machine tap is suitable for structural steels up to 900 MPa, stainless steels, aluminum, and brass. The 1.5 mm pitch is used in industrial hydraulics and pressure valves and fittings.
For the M36x1.5 metric fine thread in tolerance class 6H, the tap drill diameter should be 34.5 mm. The permissible hole tolerance range is 34.5-34.7 mm. A smaller hole increases cutting torque.
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.
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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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