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Machine Tap M30x1.5 DIN 374 B HSSE
0000007105
Thread size: M30x1,561 sizes of this tap
M5x0,5M10x1M10x1,25M11x0,75M12x1M12x1,25M12x1,5M14x1M14x1,25M14x1,5M15x1M15x1,25M15x1,5M16x1M16x1,5M17x1M18x1M18x1,5M18x2M20x0,75M20x1M20x1,25M20x1,5M20x2M22x1,5M22x2M24x1M24x1,5M24x2M25x1M25x1,5M25x2M26x1,5M27x1,5M28x1,5M30x1,5M30x2M30x3M32x1M32x1,5M32x2M33x1,5M33x2M35x1,5M36x1,5M36x2M36x3M38x1,5M39x1,5M39x2M40x1,5M42x1,5M42x2M42x3M48x1,5M50x2M52x2M56x3M60x3M64x3M64x4
€58.26 tax inc.
Net price: €47.37
Description
Material HSSE
Thread size M30x1.5
ChamferB (3.5–5.5) threads
Standard DIN 374
Technical data for the M30x1.5 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 | B (3.5÷5.5) P |
| Thread tolerance | 6H |
How the type B through-hole chamfer pushes chips down the hole
Chips exit at the bottom instead of returning through the thread
The form B chamfer for through holes has a chip breaker at the tip of the tap – an angled cut in the cutting edges. The chip breaker directs the chip down the hole, ahead of the tap tip. The chip curls into a coil, breaks into short pieces and exits the hole on the other side of the workpiece. The threads already cut remain clean because the chip does not pass through them on its way up. The M30x1.5 tap has a reduced shank according to DIN 374: diameter 22 mm, square size 18 mm.
1
Straight flute – chips do not enter it; the flute carries lubricant to the cutting edges.
2
The chip breaker at the tip of the tap directs chips down the hole.
3
The tap rotates clockwise to cut a right-hand thread.
4
B chamfer: 3.5–5.5 incomplete threads on the entry taper.
5
The chips break into segments: individual pieces at the top of the hole, with progressively more farther down. They fall out below the workpiece.
6
Feed 1.5 mm/rev, equal to the pitch of the M30x1.5 thread.
M30x1.5 fine-thread machine tap – HSSE for heavy-duty hydraulics
The M30x1.5 fine-thread machine tap is designed for precision tapping of holes in heavy-duty hydraulic components. HSSE high-speed steel with 5% cobalt ensures a hardness of 65-67 HRC and optimum tool life when machining materials with a tensile strength of up to 800 MPa. The M30x1.5 metric fine thread is a standard in large-diameter high-pressure hydraulic connections, providing excellent sealing and high connection strength at operating pressures up to 500 bar.
Technical specifications of the M30x1.5 metric fine thread machine tap
- Fine thread with a 1.5 mm pitch is a standard in heavy-duty hydraulics, providing excellent sealing at high operating pressures and high flow rates
- Increased load-bearing area of the thread of the metric fine thread results in more uniform load distribution and greater resistance to pressure pulsations
- HSSE steel with 5% cobalt guarantees a hardness of 65-67 HRC and heat resistance up to 650°C, essential for machining alloy steels
- Tolerance 6H according to DIN 374 ensures thread accuracy and full interchangeability with hydraulic fittings
- Compatibility with ER40 holders and collets for precise clamping on CNC machining centers
- Recommended tap drill diameter 28.5 mm for the M30x1.5 metric fine thread ensures optimal thread engagement
The M30x1.5 fine-thread machine tap is used in the production of high-power hydraulic cylinders, hydraulic presses, construction machinery, and mining machinery. The metric fine thread provides better sealing than a coarse thread at high pressures. Cooling with an emulsion containing EP additives at a concentration of 8-10% is recommended.
| Material | Cutting speed Vc [m/min] | Spindle speed n [rpm] | Feed f [mm/min] |
|---|---|---|---|
| PSteel | 5-20 | 53-212 | 80-318 |
| MStainless steel | 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 in a through hole
1 Spot drilling
NC spotting drill 90°
2 Drilling
Ø 28.5 mm
3 Tapping
M30x1.5
✓ Done!
Tolerance 6H
Standard: DIN 374 | Chamfer: B (straight) | Application: through 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 thread is standard in heavy-duty hydraulics due to its excellent leak tightness at high pressures, high connection strength, and suitable cross section for high oil flow rates.
The recommended tap drill diameter for the M30x1.5 metric fine thread is 28.5 mm. Precise hole machining is essential for leak-tight hydraulic connections.
The M30x1.5 metric fine thread, when used with steel fittings, withstands operating pressures up to 500 bar in typical heavy-duty hydraulic applications.
Product accessories
Machine tap M30x1.5 DIN 374 C HSSE Narex
Reference: 0000008328 In stock < 10 items
€46.05
€56.64 brutto
Machine Tap M30x1.5 DIN 374/35 C HSSE
Reference: 0000008946 In stock < 10 items
€61.84
€76.07 brutto
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| 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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