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Machine tap M3x0.35 DIN 374 C HSSE Fra
0000008269
Thread size: M3x0,3575 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
€9.71 tax inc.
Net price: €7.89
Description
Material HSSE
Thread size M3x0.35
ChamferC (2–3) threads
Standard DIN 374
Technical data for the M3x0.35 HSSE INOX general-purpose machine tap
| Technical Data | |
|---|---|
| Nominal Diameter d1 | M3x0.35 |
| Thread Pitch P | 0.35 mm |
| Overall Length l1 | 56 mm |
| Flute Length l2 | 10 mm |
| Shank Diameter d2 | 3.5 mm |
| Square Drive Size a | 2.7 mm |
| Tap Drill Diameter | 2.65 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 M3x0.35 tap has a reduced shank to DIN 374: diameter 3.5 mm, square size 2.7 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 M3x0.35 thread.
M3x0.35 INOX machine tap – HSSE for stainless steel
The M3x0.35 INOX machine tap is a professional tool for cutting M3 internal metric fine threads with a pitch of 0.35 mm in stainless and structural steels. HSSE high-speed steel construction with 5% cobalt provides a hardness of 66 HRC and high heat resistance up to 650°C in the cutting zone. Form C with straight flutes allows tapping of both through and blind holes without changing tools. The 6H tolerance according to DIN 374 ensures dimensional repeatability. The Fra M3x0.35 general-purpose machine tap is intended for toolrooms and CNC machining center operators.
Key benefits of the M3x0.35 general-purpose tap
- Fine pitch of 0.35 mm provides the maximum number of threads per unit length at small diameters, increasing sealing performance and connection load capacity
- Durability and heat resistance thanks to HSSE steel with 5% cobalt, which maintains its cutting properties at temperatures up to 650°C in the contact zone
- Precision to tolerance class 6H ensures the dimensional accuracy required in the production of electronic and precision mechanical components
- Compatibility with ER11 holders and tapping chucks with axial compensation for synchronous tapping on CNC and conventional machines
- Designed for stainless steels austenitic 304 and 316 and difficult-to-machine materials requiring tools with enhanced resistance
- M3x0.35 HSSE machine tap with form C evacuates chips properly in through holes and blind holes without the risk of thread damage
The Fra M3x0.35 machine tap for through and blind holes is used in precision electronics and the production of optical components. European manufacturing quality ensures reliability. The tap drill diameter for the M3x0.35 thread is 2.65 mm.
Cutting data for the M3x0.35 HSSE INOX general-purpose machine tap
| Material | Cutting speed Vc [m/min] | Spindle speed n [rpm] | Feed f [mm/min] |
|---|---|---|---|
| PSteel | 5-20 | 531-2122 | 186-743 |
| MStainless steel / INOX | 5-10 | 531-1061 | 186-371 |
| KCast iron | 5-15 | 531-1592 | 186-557 |
| NAluminum | 10-25 | 1061-2653 | 371-929 |
Thread preparation M3x0.35
1 Spot drilling
NC spotting drill 90°
2 Drilling
Ø 2.65 mm
3 Tapping
M3x0.35
✓ 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 M3x0.35 HSSE tap is suitable for austenitic stainless steels 304 and 316, structural steels up to 800 MPa, ductile cast iron, and aluminum and brass alloys. It is not recommended for hardened steels above 45 HRC.
The nominal tap drill diameter for the M3x0.35 thread is 2.65 mm. The hole tolerance range should be 2.6–2.7 mm. A hole at the lower tolerance limit produces a fuller thread profile, while one at the upper limit reduces tapping torque.
The M3x0.35 tap works with ER11 holders and tapping chucks with axial compensation. Synchronized heads with automatic tool change capability are recommended for CNC machines.
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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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