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Machine tap M14x1.25 DIN 374 C HSSE
0000007138
Thread size: M14x1,2575 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
€19.42 tax inc.
Net price: €15.79
Description
Material HSSE
Thread size M14x1.25
ChamferC (2–3) threads
Standard DIN 374
Technical data for the M14x1.25 HSSE INOX general-purpose machine tap
| Technical Data | |
|---|---|
| Nominal Diameter d1 | M14x1.25 |
| Thread Pitch P | 1.25 mm |
| Overall Length l1 | 100 mm |
| Flute Length l2 | 20 mm |
| Shank Diameter d2 | 11 mm |
| Square Drive Size a | 9 mm |
| Tap Drill Diameter | 12.8 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 M14x1.25 tap has a reduced shank to DIN 374: diameter 11 mm, square size 9 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 1.25 mm/rev, equal to the pitch of the M14x1.25 thread.
M14x1.25 INOX machine tap – with a metric fine thread
The HSSE series, designed for manufacturing engineers and CNC operators working with precision connections, includes the M14x1.25 INOX machine tap for metric fine threads. The 6H tolerance in accordance with DIN 374 guarantees the dimensional repeatability required in the production of hydraulic and pneumatic components with stringent sealing requirements. The thread pitch of 1.25 mm provides an optimum balance between connection load capacity and ease of assembly. HSSE steel construction with 5% cobalt ensures a hardness of 66 HRC and long cutting edge life in stainless steels.
Key features of the M14x1.25 INOX tap
- 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
- Designed for stainless steels of austenitic grades 304 and 316, structural steels up to 800 MPa, and aluminum alloys and engineering brass
- Durability thanks to HSSE steel with 5% cobalt allows 350-500 threads to be produced in structural steel with proper lubrication using tapping oil
- Compatibility with ER25 holders and tapping heads for CNC machining centers with synchronous tapping capability and axial compensation
- M14x1.25 general-purpose machine tap with form C directs chips correctly in both through holes and blind holes without the risk of jamming
The M14x1.25 machine tap for through and blind holes is used in maintenance departments for thread restoration and production machinery repairs. The M14x1.25 HSSE machine tap is compatible with automatic tool change systems. The tap drill diameter is 12.75 mm.
Cutting data for the M14x1.25 HSSE INOX general-purpose machine tap
| Material | Cutting speed Vc [m/min] | Spindle speed n [rpm] | Feed f [mm/min] |
|---|---|---|---|
| PSteel | 5-20 | 114-455 | 142-569 |
| MStainless steel / INOX | 5-10 | 114-227 | 142-284 |
| KCast iron | 5-15 | 114-341 | 142-426 |
| NAluminum | 10-25 | 227-568 | 284-710 |
Thread preparation M14x1.25
1 Spot drilling
NC spotting drill 90°
2 Drilling
Ø 12.8 mm
3 Tapping
M14x1.25
✓ 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 M14x1.25 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 M14x1.25 thread is 12.75 mm. The hole tolerance range should be 12.65–12.85 mm. A hole at the lower tolerance limit produces a fuller thread profile, while one at the upper limit reduces tapping torque.
The M14x1.25 tap works with ER25 holders and tapping chucks with axial compensation. Synchronized heads with automatic tool change capability are recommended for CNC machines.
Product accessories
Hand tap M14x1.25 DIN 2181/2 6H HSS Varel
Reference: 06822 In stock > 10 items
€11.84
€14.57 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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