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Machine Tap M24x1.5 DIN 374 B HSSE Narex
218811
Thread size: M24x1,561 sizes of this tap
M5x0,5M10x1M10x1,25M11x0,75M12x1M12x1,25M12x1,5M14x1M14x1,25M14x1,5M15x1M15x1,25M15x1,5M16x1M16x1,5M17x1M18x1M18x1,5M18x2M20x0,75M20x1M20x1,25M20x1,5M20x2M22x1,5M22x2M24x1M24x1,5M24x2M25x1M25x1,5M25x2M26x1,5M27x1,5M28x1,5M30x1,5M30x2M30x3M32x1M32x1,5M32x2M33x1,5M33x2M35x1,5M36x1,5M36x2M36x3M38x1,5M39x1,5M39x2M40x1,5M42x1,5M42x2M42x3M48x1,5M50x2M52x2M56x3M60x3M64x3M64x4
€38.84 tax inc.
Net price: €31.58
Description
Material HSSE
Thread size M24x1.5
ChamferB (3.5–5.5) threads
Standard DIN 374
Technical data for the M24x1.5 machine tap
| Technical Data | |
|---|---|
| Nominal Diameter d1 | M24x1.5 |
| Thread Pitch P | 1.5 mm |
| Overall Length l1 | 140 mm |
| Flute Length l2 | 27 mm |
| Shank Diameter d2 | 18 mm |
| Square Drive Size a | 14.5 mm |
| Tap Drill Diameter | 22.5 mm |
| Chamfer | B (3.5÷5.5) P |
| Thread tolerance | 6H |
How the type B through-hole chamfer pushes chips down the hole
Chips exit at the bottom instead of returning through the thread
The form B chamfer for through holes has a chip breaker at the tip of the tap – an angled cut in the cutting edges. The chip breaker directs the chip down the hole, ahead of the tap tip. The chip curls into a coil, breaks into short pieces and exits the hole on the other side of the workpiece. The threads already cut remain clean because the chip does not pass through them on its way up. The M24x1.5 tap has a reduced shank according to DIN 374: diameter 18 mm, square size 14.5 mm.
1
Straight flute – chips do not enter it; the flute carries lubricant to the cutting edges.
2
The chip breaker at the tip of the tap directs chips down the hole.
3
The tap rotates clockwise to cut a right-hand thread.
4
B chamfer: 3.5–5.5 incomplete threads on the entry taper.
5
The chips break into segments: individual pieces at the top of the hole, with progressively more farther down. They fall out below the workpiece.
6
Feed 1.5 mm/rev, equal to the pitch of the M24x1.5 thread.
M24x1.5 metric fine thread machine tap – HSSE Narex for hydraulics
The Narex M24x1.5 metric fine thread machine tap is a professional tool for cutting internal threads in hydraulic power and industrial pneumatic components. Its HSSE high-speed steel construction with 5% added cobalt provides a hardness of 65-67 HRC and high heat resistance in the cutting zone up to 650°C. The M24x1.5 metric fine thread is a standard in high-pressure hydraulic connections, providing excellent sealing and high strength. The Narex brand guarantees the highest manufacturing quality.
Technical specifications of the M24x1.5 Narex machine tap
- The Narex brand as a renowned cutting tool manufacturer with a long-standing tradition, guarantees the highest manufacturing quality and consistent geometric parameters
- Fine thread with a 1.5 mm pitch is standard in hydraulic power systems, providing excellent leak tightness at operating pressures up to 400 bar
- HSSE steel with 5% cobalt guarantees a hardness of 65-67 HRC and heat resistance up to 650°C, extending cutting edge life
- Tolerance 6H according to DIN 374 ensures thread accuracy and full interchangeability with hydraulic fittings
- Compatibility with ER32 holders and collets for precise clamping on CNC machining centers
- Recommended tap drill diameter 22.5 mm for the M24x1.5 metric fine thread ensures optimal thread engagement
The Narex M24x1.5 machine tap is used in the production of valve blocks, pump housings, cylinders, and high-pressure hydraulic fittings. A metric fine thread provides better sealing than a coarse thread due to the greater number of threads per unit length. Cooling with an emulsion containing EP additives at a concentration of 8-10% is recommended.
| Material | Cutting speed Vc [m/min] | Spindle speed n [rpm] | Feed f [mm/min] |
|---|---|---|---|
| PSteel | 5-20 | 66-265 | 99-398 |
| MStainless steel | 5-10 | 66-133 | 99-200 |
| KCast iron | 5-15 | 66-199 | 99-298 |
| NAluminum | 10-25 | 133-332 | 200-498 |
Thread preparation M24x1.5 in a through hole
1 Spot drilling
NC spotting drill 90°
2 Drilling
Ø 22.5 mm
3 Tapping
M24x1.5
✓ Done!
Tolerance 6H
Standard: DIN 374 | Chamfer: B (straight) | Application: through 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 M24x1.5 thread is a standard in hydraulics due to its excellent sealing at high pressures, high connection strength, and the wide availability of hydraulic fittings in this size.
The recommended tap drill diameter for the M24x1.5 metric fine thread is 22.5 mm. Precise hole machining is essential for leak-tight hydraulic connections.
Narex is a reputable manufacturer with a long tradition, offering tools with consistent quality and repeatable geometric specifications. Narex taps offer good value for money.
Product accessories
Machine Tap M24x1.5 DIN 374/35 C HSSE
Reference: 0000007208 In stock < 10 items
€35.53
€43.70 brutto
Drill 22.5 Cobalt NWKc HSSE DIN 345
Reference: 0000010585 In stock < 10 items
€34.21
€42.08 brutto
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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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