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Machine Tap M38x1.5 DIN 374 C HSSE
0000008312
Thread size: M38x1,575 sizes of this tap
M3x0,35M3,5x0,35M4x0,5M5x0,5M6x0,75M8x0,75M8x1M10x0,5M10x0,75M10x1M10x1,25M11x1M12x1M12x1,25M12x1,5M14x1M14x1,25M14x1,5M15x1M15x1,5M16x0,75M16x1M16x1,5M16x1,75M17x0,75M17x1M18x1M18x1,25M18x1,5M18x2M19x1M20x1M20x1,25M20x1,5M20x2M22x1M22x1,5M22x2M23x1,25M24x1M24x1,5M24x2M25x1M25x1,5M25x2M27x1M27x1,5M27x2M28x1M28x1,5M28x2M30x1M30x1,5M30x2M32x1,5M32x2M33x1,5M33x2M34x1,5M35x1,5M36x1,5M36x2M36x3M38x1,5M39x1M39x1,5M40x1,5M42x2M48x1,5M48x2M48x3M50x1,5M52x1,5M52x3M56x3
€138.86 tax inc.
Net price: €112.89
Description
Material HSSE
Thread size M38x1.5
ChamferC (2–3) threads
Standard DIN 374
Technical data for the M38x1.5 HSSE INOX general-purpose machine tap
| Technical Data | |
|---|---|
| Nominal Diameter d1 | M38x1.5 |
| Thread Pitch P | 1.5 mm |
| Overall Length l1 | 170 mm |
| Flute Length l2 | 30 mm |
| Shank Diameter d2 | 28 mm |
| Square Drive Size a | 22 mm |
| Tap Drill Diameter | 36.5 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 M38x1.5 tap has a reduced shank to DIN 374: diameter 28 mm, square size 22 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 1.5 mm/rev, equal to the pitch of the M38x1.5 thread.
M38x1.5 INOX machine tap – for through and blind holes
The M38x1.5 INOX machine tap is designed for precision tapping of holes with a diameter of 38 mm and a fine pitch of 1.5 mm in stainless and structural steels. Its HSSE high-speed steel construction with 5% cobalt guarantees a hardness of 66 HRC and long cutting edge life, even when machining difficult-to-machine materials. Form C with straight flutes provides versatile use in through and blind holes. The 6H tolerance to DIN 374 confirms high manufacturing quality. The M38x1.5 HSSE machine tap is intended for departments engaged in series production of hydraulic components.
Key features of the M38x1.5 HSSE general-purpose tap
- Manufacturing precision to 6H tolerance ensures dimensional repeatability and full thread interchangeability in series production of mechanical and hydraulic components
- Compliance with DIN 374 for fine threads confirms quality and ensures standardized shank dimensions compatible with European holders
- Durability increased by the addition of 5% cobalt allows operation at temperatures up to 650°C without loss of cutting edge performance
- Material versatility covering austenitic stainless steels 304 and 316, structural steels up to 800 MPa, gray and ductile cast iron, and aluminum alloys
- Compatibility with ER40 holders and tapping heads for CNC machining centers with synchronous tapping and automatic tool changing
- M38x1.5 machine tap for through and blind holes with form C allows both hole types to be tapped with a single tool without the risk of jamming
The M38x1.5 general-purpose machine tap is used in steel structures and industrial hydraulics requiring durable threaded connections. It is well suited for manufacturing fitting components. The tap drill diameter for the M38x1.5 thread is 36.5 mm.
Cutting data for the M38x1.5 HSSE INOX general-purpose machine tap
| Material | Cutting speed Vc [m/min] | Spindle speed n [rpm] | Feed f [mm/min] |
|---|---|---|---|
| PSteel | 5-20 | 42-168 | 63-252 |
| MStainless steel / INOX | 5-10 | 42-84 | 63-126 |
| KCast iron | 5-15 | 42-126 | 63-189 |
| NAluminum | 10-25 | 84-209 | 126-314 |
Thread preparation M38x1.5
1 Spot drilling
NC spotting drill 90°
2 Drilling
Ø 36.5 mm
3 Tapping
M38x1.5
✓ Done!
Tolerance 6H
Standard: DIN 374 | 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 M38x1.5 HSSE tap cuts 400-600 threads in structural steel or 250-350 threads in stainless steel. Dry operation reduces tool life by 40-50%.
Yes, the M38x1.5 HSSE tap with 5% cobalt is designed for austenitic stainless steels 304 and 316. The addition of cobalt increases heat resistance in the cutting zone to 650°C.
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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