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Machine Tap M48x3 DIN 374 C HSSE
Narex Zdanice spol. s r.o. Narex Zdanice spol. s r.o.
0000013023
Thread size: M48x375 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
€190.97 tax inc.
Net price: €155.26
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W magazynie: 2 pcs.
Description
Material HSSE
Thread size M48x3
ChamferC (2–3) threads
Standard DIN 374
Technical data for the M48x3 HSSE INOX general-purpose machine tap
| Technical Data | |
|---|---|
| Nominal Diameter d1 | M48x3 |
| Thread Pitch P | 3 mm |
| Overall Length l1 | 225 mm |
| Flute Length l2 | 50 mm |
| Shank Diameter d2 | 36 mm |
| Square Drive Size a | 29 mm |
| Tap Drill Diameter | 45 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 M48x3 tap has a reduced shank to DIN 374: diameter 36 mm, square size 29 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 3 mm/rev, equal to the pitch of the M48x3 thread.
M48x3 INOX machine tap – general-purpose HSSE tool
The M48x3 INOX machine tap is designed for precision tapping of holes with a diameter of 48 mm and a fine pitch of 3 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 M48x3 HSSE machine tap is intended for departments engaged in series production of hydraulic components.
Key features of the M48x3 tap for through and blind holes
- 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
- M48x3 general-purpose machine tap with form C allows through and blind holes to be tapped with a single tool without the risk of jamming
The M48x3 machine tap for through and blind holes is used in steel structures and industrial hydraulics requiring durable threaded connections. It is suitable for manufacturing valve and fitting components. The tap drill diameter for the M48x3 thread is 45 mm.
Cutting data for the M48x3 HSSE INOX general-purpose machine tap
| Material | Cutting speed Vc [m/min] | Spindle speed n [rpm] | Feed f [mm/min] |
|---|---|---|---|
| PSteel | 5-20 | 33-133 | 99-399 |
| MStainless steel / INOX | 5-10 | 33-66 | 99-198 |
| KCast iron | 5-15 | 33-99 | 99-297 |
| NAluminum | 10-25 | 66-166 | 198-498 |
Thread preparation M48x3
1 Spot drilling
NC spotting drill 90°
2 Drilling
Ø 45 mm
3 Tapping
M48x3
✓ 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 M48x3 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 M48x3 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.
Product accessories
Countersink M48X3 HSS DIN 22 568 Cztool
Reference: 089731 In stock < 10 items
€84.21
€103.58 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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