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Machine Tap M3.5X0.35 DIN 374 C HSSE
FRA FRA
456184
Thread size: M3,5x0,3575 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
€8.09 tax inc.
Net price: €6.58
Brak w magazynie
Description
Material HSSE
Thread size M3.5x0.35
ChamferC (2–3) threads
Standard DIN 374
Technical data for the M3.5x0.35 HSSE INOX general-purpose machine tap
| Technical Data | |
|---|---|
| Nominal Diameter d1 | M3.5x0.35 |
| Thread Pitch P | 0.35 mm |
| Overall Length l1 | 56 mm |
| Flute Length l2 | 20 mm |
| Shank Diameter d2 | 4 mm |
| Square Drive Size a | 3 mm |
| Tap Drill Diameter | 3.15 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 M3.5x0.35 tap has a reduced shank to DIN 374: diameter 4 mm, square size 3 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 0.35 mm/rev, equal to the pitch of the M3.5x0.35 thread.
M3.5x0.35 INOX machine tap – HSSE tool for stainless steel
This model from the HSSE series, designed to produce M3.5x0.35 metric fine threads in stainless and structural steels, features a pitch of 0.35 mm. The M3.5x0.35 INOX machine tap features the maximum number of threads per unit length, providing maximum joint sealing at small diameters. With 5% cobalt, the tool retains a hardness of 66 HRC even at cutting zone temperatures up to 650°C. Form C with straight flutes provides universal use. The M3.5x0.35 machine tap for through and blind holes is intended for precision component manufacturers.
Key benefits of the M3.5x0.35 general-purpose tap
- Fine pitch of 0.35 mm provides the maximum number of threads per unit length, increasing joint sealing and load capacity at small diameters
- Material versatility including 304 and 316 austenitic stainless steels, structural steels up to 800 MPa, and 6000 series aluminum alloys
- Compatibility with ER11 holders and collets for precise clamping on machining centers with axial compensation and automatic tool changing
- Precision to tolerance class 6H for demanding fit tolerances in series production of high-precision mechanical and electronic components
- Compliance with DIN 374 for fine threads ensures standardized shank dimensions and interchangeability with tools from European manufacturers
- M3.5x0.35 HSSE machine tap with form C allows tapping of through holes and blind holes without changing the tool or parameters
The M3.5x0.35 universal machine tap is used in precision electronics and manufacturing optical components requiring leak-tight connections. Cooling with an EP emulsion at a minimum concentration of 8% extends tool life. The tap drill diameter for the M3.5x0.35 thread is 3.15 mm.
Cutting data for the M3.5x0.35 HSSE INOX general-purpose machine tap
| Material | Cutting speed Vc [m/min] | Spindle speed n [rpm] | Feed f [mm/min] |
|---|---|---|---|
| PSteel | 5-20 | 455-1819 | 159-637 |
| MStainless steel / INOX | 5-10 | 455-909 | 159-318 |
| KCast iron | 5-15 | 455-1364 | 159-477 |
| NAluminum | 10-25 | 909-2274 | 318-796 |
Thread preparation M3.5x0.35
1 Spot drilling
NC spotting drill 90°
2 Drilling
Ø 3.15 mm
3 Tapping
M3.5x0.35
✓ 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 M3.5x0.35 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 M3.5x0.35 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
Hand tap M3.5x0.35 DIN 2181/2 6H HSS
Reference: 0000007297 In stock > 10 items
€9.21
€11.33 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 |
Machine Tap M3.5X0.35 DIN 374 C HSSE Podgląd zdjęć produktu
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