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Machine tap M30x1.5 DIN 374 C HSSE Narex
0000008328
Thread size: M30x1,575 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
€56.64 tax inc.
Net price: €46.05
Description
Material HSSE
Thread size M30x1.5
ChamferC (2–3) threads
Standard DIN 374
Technical data for the M30x1.5 HSSE INOX general-purpose machine tap
| Technical Data | |
|---|---|
| Nominal Diameter d1 | M30x1.5 |
| Thread Pitch P | 1.5 mm |
| Overall Length l1 | 150 mm |
| Flute Length l2 | 27 mm |
| Shank Diameter d2 | 22 mm |
| Square Drive Size a | 18 mm |
| Tap Drill Diameter | 28.5 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 M30x1.5 tap has a reduced shank to DIN 374: diameter 22 mm, square size 18 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 M30x1.5 thread.
M30x1.5 INOX machine tap – general-purpose HSSE tool
The M30x1.5 INOX machine tap is a professional tool for cutting M30 internal threads with a fine pitch of 1.5 mm in stainless and structural steels. Its HSSE high-speed steel construction with 5% cobalt provides a hardness of 66 HRC and high resistance to cutting zone temperatures up to 650°C. Form C with straight flutes allows tapping of both through holes and blind holes without changing tools. The 6H tolerance in accordance with DIN 374 guarantees dimensional repeatability. The Narex M30x1.5 general-purpose machine tap is designed for toolrooms and CNC machining center operators.
Key advantages of the M30x1.5 tap for through holes and blind holes
- Durability and heat resistance thanks to HSSE steel with 5% cobalt, which retains its cutting properties at temperatures up to 650°C in the contact zone with the workpiece material
- Compliance with DIN 374 for metric fine threads confirms standardized dimensions and full compatibility with European toolholding systems
- Precision to tolerance class 6H guarantees the dimensional accuracy required in the production of hydraulic power components and high-quality industrial valves and fittings
- Compatibility with ER40 holders and tapping chucks with axial compensation for synchronous tapping on CNC and conventional machines
- Designed for stainless steels austenitic grades 304 and 316 and ferritic grades, which require tools with increased heat and abrasion resistance
- M30x1.5 HSSE machine tap with form C evacuates chips properly in through holes and blind holes without the risk of thread damage
The Narex M30x1.5 machine tap for through holes and blind holes is used in the production of industrial valves and fittings and hydraulic power components. European manufacturing quality guarantees reliability. The tap drill diameter for the M30x1.5 thread is 28.5 mm.
Cutting data for the M30x1.5 HSSE INOX general-purpose machine tap
| Material | Cutting speed Vc [m/min] | Spindle speed n [rpm] | Feed f [mm/min] |
|---|---|---|---|
| PSteel | 5-20 | 53-212 | 80-318 |
| MStainless steel / INOX | 5-10 | 53-106 | 80-159 |
| KCast iron | 5-15 | 53-159 | 80-238 |
| NAluminum | 10-25 | 106-265 | 159-398 |
Thread preparation M30x1.5
1 Spot drilling
NC spotting drill 90°
2 Drilling
Ø 28.5 mm
3 Tapping
M30x1.5
✓ 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
The M30x1.5 HSSE tap with form C and straight flutes is versatile – it is suitable for both through and blind holes. The design ensures proper chip evacuation in both types of holes.
The M30x1.5 HSSE tap cuts internal threads to tolerance class 6H. The 6H designation defines the permissible deviations of the thread pitch and minor diameters – the digit 6 indicates the width of the tolerance zone (medium), while the letter H indicates the position of the zone at the zero line. The 6H tolerance ensures a proper fit with screws of tolerance class 6g.
When tapping stainless steels, an EP emulsion at a minimum concentration of 8% or tapping oil is recommended for cooling. Cooling extends tool life by a factor of 2-3 and improves the thread surface finish.
Product accessories
Machine Tap M30x1.5 DIN 374/35 C HSSE
Reference: 0000008946 In stock < 10 items
€61.84
€76.07 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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