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Machine Tap M14x1.5 DIN 374 B HSSE
600259
Thread size: M14x1,561 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
€20.72 tax inc.
Net price: €16.84
Description
Material HSSE
Thread size M14x1.5
ChamferB (3.5–5.5) threads
Standard DIN 374
Technical data for the M14x1.5 machine tap
| Technical Data | |
|---|---|
| Nominal Diameter d1 | M14x1.5 |
| Thread Pitch P | 1.5 mm |
| Overall Length l1 | 100 mm |
| Flute Length l2 | 20 mm |
| Shank Diameter d2 | 11 mm |
| Square Drive Size a | 9 mm |
| Tap Drill Diameter | 12.5 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 M14x1.5 tap has a reduced shank according to DIN 374: diameter 11 mm, square size 9 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 M14x1.5 thread.
M14x1.5 fine thread machine tap – HSSE for industrial hydraulics
The M14x1.5 metric fine thread machine tap is a professional tool for cutting internal threads with a pitch of 1.5 mm in the common M14 diameter used in industrial hydraulics and machine mechanics. HSSE high-speed steel with 5% cobalt ensures a hardness of 65-67 HRC and optimum tool life when machining difficult-to-machine materials requiring high precision. The M14x1.5 metric fine thread has one of the most common pitches for the M14 diameter and is widely used in industrial hydraulics and heavy machinery mechanics. The tool is intended for professional toolrooms and hydraulic equipment manufacturers.
Technical specifications of the M14x1.5 metric fine thread machine tap
- Fine thread with a 1.5 mm pitch is standard in industrial hydraulics, providing good connection sealing and higher strength than the M14x2 coarse thread
- Increased load-bearing area of the thread of the metric fine thread translates into approximately 35% higher tensile strength than a coarse thread, with better resistance to self-loosening
- HSSE steel with 5% cobalt guarantees a hardness of 65-67 HRC and heat resistance up to 650°C, extending cutting edge life under intensive use
- Tolerance 6H according to DIN 374 ensures precise thread production and full interchangeability with hydraulic fittings used in industry
- Material versatility covering structural steels up to 800 MPa, alloy steels, austenitic stainless steels 304/316, and gray and ductile cast iron
- The recommended tap drill diameter of 12.5 mm for the M14x1.5 metric fine thread ensures optimal thread engagement with minimal tool load
The M14x1.5 machine tap is used in industrial hydraulics, pneumatics, valve blocks, and heavy machinery construction requiring leak-tight threaded connections. The M14x1.5 thread offers a balance between the leak tightness of a metric fine thread and assembly speed. Cooling with an oil emulsion at a concentration of 6-8% is recommended to maintain optimal tool life.
| Material | Cutting speed Vc [m/min] | Spindle speed n [rpm] | Feed f [mm/min] |
|---|---|---|---|
| PSteel | 5-20 | 114-455 | 171-682 |
| MStainless steel | 5-10 | 114-227 | 171-340 |
| KCast iron | 5-15 | 114-341 | 171-512 |
| NAluminum | 10-25 | 227-568 | 340-852 |
Thread preparation M14x1.5 in a through hole
1 Spot drilling
NC spotting drill 90°
2 Drilling
Ø 12.5 mm
3 Tapping
M14x1.5
✓ 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 M14x1.5 thread is popular in hydraulics due to its good sealing, higher strength than a coarse thread, and a balance between precision and assembly speed.
The recommended tap drill diameter for the M14x1.5 metric fine thread is 12.5 mm. Precise hole machining ensures full thread engagement.
The M14x1.5 fine thread provides approximately 35% higher tensile strength, better sealing, and greater resistance to self-loosening with a slightly longer assembly time.
Product accessories
Machine Tap M14x1.5 DIN 374/35 C HSSE
Reference: 0000007475 In stock > 10 items
€18.95
€23.31 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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