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Machine tap M18x1.5 DIN 374 C HSSE
0000007021
Thread size: M18x1,575 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
€29.13 tax inc.
Net price: €23.68
Description
Material HSSE
Thread size M18x1.5
ChamferC (2–3) threads
Standard DIN 374
Technical data for the M18x1.5 HSSE INOX general-purpose machine tap
| Technical Data | |
|---|---|
| Nominal Diameter d1 | M18x1.5 |
| Thread Pitch P | 1.5 mm |
| Overall Length l1 | 110 mm |
| Flute Length l2 | 27 mm |
| Shank Diameter d2 | 14 mm |
| Square Drive Size a | 11 mm |
| Tap Drill Diameter | 16.5 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 M18x1.5 tap has a reduced shank to DIN 374: diameter 14 mm, square size 11 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 M18x1.5 thread.
M18x1.5 INOX machine tap – for CNC machining
In this range, the manufacturer offers the M18x1.5 INOX machine tap with optimized cutting geometry for metric fine threads with a pitch of 1.5 mm. The tool meets DIN 374 requirements and provides the 6H thread tolerance class required for series production of mechanical and precision components. HSSE steel construction with 5% added cobalt ensures a hardness of 66 HRC and resistance to temperatures up to 650°C in the cutting zone. Form C with straight flutes provides versatile use in through and blind holes in stainless steels.
Advantages of the M18x1.5 INOX tap
- Compatibility with ER32 holders collets and synchronized tapping chucks for CNC machining centers with automatic tool change
- Durability increased by the addition of cobalt in HSSE steel extends cutting edge life by 40-60% compared with standard HSS taps
- Material versatility covering austenitic stainless steels 304 and 316, structural steels up to 800 MPa and nonferrous metals such as aluminum and brass
- Precision to tolerance class 6H meeting the requirements of series production of mechanical and pneumatic components with tight fit tolerances
- Conforms to DIN 374 for fine threads ensures standardized shank dimensions and interchangeability with tools from European manufacturers
- M18x1.5 general-purpose machine tap with form C ensures proper chip evacuation in through holes and blind holes without the risk of jamming
The M18x1.5 HSSE machine tap is used in steel structures, industrial welding, and the production of industrial automation components. The M18x1.5 machine tap for through and blind holes is compatible with automatic tool change systems. The tap drill diameter for the M18x1.5 thread is 16.5 mm.
Cutting data for the M18x1.5 HSSE INOX general-purpose machine tap
| Material | Cutting speed Vc [m/min] | Spindle speed n [rpm] | Feed f [mm/min] |
|---|---|---|---|
| PSteel | 5-20 | 88-354 | 132-531 |
| MStainless steel / INOX | 5-10 | 88-177 | 132-266 |
| KCast iron | 5-15 | 88-265 | 132-398 |
| NAluminum | 10-25 | 177-442 | 266-663 |
Thread preparation M18x1.5
1 Spot drilling
NC spotting drill 90°
2 Drilling
Ø 16.5 mm
3 Tapping
M18x1.5
✓ 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 M18x1.5 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 M18x1.5 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
HSSE 16.5 cobalt metal drill bit DIN 338
Reference: 13295 In stock < 10 items
€17.63
€21.69 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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