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Hand Tap M15X1.5 ISO 529/2 6H HSS
12734
Thread size: M15x1,5172 sizes of this tap
M1x0,2M1,2x0,2M1,4x0,2M1,6x0,2M1,7x0,2M1,8x0,2M2x0,25M2,2x0,25M2,2x0,35M2,3x0,25M2,3x0,35M2,5x0,35M3x0,35M3,5x0,35M4x0,5M4,5x0,5M5x0,5M5,5x0,5M6x0,5M6x0,75M7x0,5M7x0,75M8x0,5M8x0,75M8x1M9x0,5M9x0,75M9x1M10x0,5M10x0,75M10x1M10x1,25M11x0,75M11x1M11x1,25M12x0,5M12x0,75M12x1M12x1,25M12x1,5M13x1M13x1,25M14x0,75M14x1M14x1,25M14x1,5M15x1M15x1,5M16x0,75M16x1M16x1,25M16x1,5M17x1M17x1,5M17x2M18x0,75M18x1M18x1,25M18x1,5M18x2M19x1M19x1,5M20x0,75M20x1M20x1,25M20x1,5M20x2M21x1,5M22x1M22x1,25M22x1,5M22x1,75M22x2M24x1M24x1,5M24x2M25x1M25x1,5M25x2M26x1M26x1,25M26x1,5M26x2M27x1M27x1,5M27x2M28x1M28x1,5M28x2M30x1M30x1,5M30x2M30x2,5M30x3M32x1,5M32x2M32x3M33x1,5M33x2M33x3M34x1,5M34x2M35x1,5M36x1M36x1,5M36x2M36x3M38x1,5M38x2M38x3M39x1M39x1,5M39x2M39x3M40x1,5M40x2M40x3M42x1,5M42x2M42x3M42x4M45x1,5M45x2M45x3M45x4M46x1,5M46x2M48x1,5M48x2M48x3M48x4M50x1,5M50x2M50x3M52x1M52x1,5M52x2M52x3M52x4M55x2M55x3M56x1,5M56x2M56x3M56x4M58x2M58x4M60x1,5M60x2M60x3M62x1,5M62x2M62x3M62x4M64z1,5M64x2M65x2M65x4M68x1,5M68x2M68x3M68x4M70x1,5M70x2M72x1,5M72x4M75x1,5M75x2M76x1,5M80x1,5M85x2M90x2
€20.39 tax inc.
Net price: €16.58
Description
Technical data for the M15x1.5 hand tap
| Technical data | |
|---|---|
| Nominal diameter d1 mm | M15 |
| Thread pitch P mm | 1.5 mm |
| Overall length l1 | 95 mm |
| Flute length l2 | 30 mm |
| Shank diameter d2 | 11.2 mm |
| Square drive size a | 9 mm |
| Tap drill diameter | 13.5 mm |
| Thread angle G | 60° |
| Tap tolerance | ISO2 6H |
Roughing tap and finishing tap – how much material each removes
Division of work in the 1–2 set
The M15x1.5 thread is cut into the wall of a hole with a diameter of 13.5 mm. The thread groove extends 0.75 mm into the wall. A single tap would have to cut the entire groove at once, requiring substantial hand torque and risking breakage. The set divides this work into two passes.
The drawing shows the entire set in operation. Both taps have the same shank and the same length. They differ in their chamfer, the tapered tip: No. 1 has a chamfer spanning 8 threads, while No. 2 spans only 2 threads. The detail windows at the hole wall show how the thread groove deepens after each tap.
| Tap | Chamfer | Chamfer angle | Material removed | How it works in the hole |
|---|---|---|---|---|
| No. 1 – roughing tap | long, 8 threads | 5° | the main portion of the groove | enters smoothly and establishes thread alignment |
| No. 2 – finishing tap | short, 2 threads | 20° | the remainder, to the full profile | follows the cut threads and produces the full 6H profile |
How to distinguish the taps in the set
The chamfer on No. 1 is 4 times as long as the chamfer on No. 2 — the difference is immediately visible when you place them side by side. No. 1 has an incomplete thread profile; only No. 2 has the full profile. The number is also indicated on the shank: No. 1 has one ring, No. 2 has none. Keep the set together and always start with the roughing tap.
How to tap an M15x1.5 hole – sequence 1, 2
Hand tapping step by step
Thread M15x1.5 in four steps
ØDrilling
Drill bit 13.5 mm
1Roughing tap
Chamfer 8 threads
2Finishing tap
Chamfer 2 threads
✓Finished thread
Tolerance 6H
Turning sequence: half a turn clockwise, a quarter turn counterclockwise | Between taps: remove chips from the hole
Start with the hole. The drill diameter is easy to calculate: thread diameter 15 mm minus pitch 1.5 mm gives 13.5 mm. An undersized hole is a common cause of a tap twisting off in the workpiece.
Through hole or blind hole – how deep to drill
The set taps both types of holes. In a through hole, the thread extends through the full material thickness. In a blind hole, cut the thread to 37.5 mm, or 2.5 times the thread diameter (2.5 x 15 mm, shown as 2.5D in the drawing). Drill the hole deeper than the thread. The finishing tap has a chamfer spanning 2 threads, so approx. 2 incomplete threads remain near the bottom. The extra depth below the thread accommodates them along with the chips.
No. 1 – the roughing tap establishes thread alignment
Fit the roughing tap in the tap wrench and position it perpendicular to the surface. Check the angle from two sides, for example with a square. Turn half a turn clockwise, then a quarter turn counterclockwise. Reversing breaks the chip into short pieces – a slight crunch is normal. The first threads determine whether the thread will be straight.
No. 2 – the finishing tap produces the full profile
Back out the roughing tap and remove chips from the hole. Screw the finishing tap into the cut threads by hand – it should engage them on its own. Continue turning at the same rhythm as with the roughing tap. The finishing tap removes the remaining material and cuts the groove to the full profile within tolerance 6H. When it screws in smoothly all the way, the thread is complete – check it with an M15x1.5 screw.
M15x1.5 fine-thread hand taps
M15X1.5 Hand Tap ISO 529/2 6H HSS is designed for precision cutting of metric fine threads in steels and cast iron; as an M15x1.5 hand tap, it provides control of the 60° profile and a stable internal thread fit in class 6H in workshop operations.
Specifications: nominal diameter 15 mm; pitch 1.5; metric profile 60°; right-hand direction; ground HSS construction; straight flutes; straight shank with a square drive for use with a tap wrench; recommended drill 13.5 mm; dimensions according to ISO 529/2; tolerances according to ISO 965 for internal threads.
- Stable cutting process. The progressive chamfer and straight flutes balance cutting forces, supporting alignment and a clean, full thread profile.
- Fit accuracy. Internal thread class 6H is compatible with 6g external threads, maintaining proper assembly clearance and dimensional repeatability of the joint.
- Durability and finish. HSS combines edge strength with resilience, reducing chipping and promoting a smooth thread surface during manual guidance.
- Operational flexibility. M15x1.5 hand tap set facilitates the transition from roughing to finishing without loss of axial alignment in hard-to-reach holes.
Compliance and standards: M15×1.5 complies with ISO 68-1 (profile) and ISO 261/262 (pitch series); tolerances according to ISO 965; tap dimensions according to ISO 529/2; class 6H. The Hand Tap M15X1.5 ISO 529/2 6H HSS performs well in precision one-off and repair operations, and in workshop practice M15x1.5 hand tap set achieves the full profile faster while maintaining the specified dimension.
Stages of cutting an M15x1.5 thread with a 2-piece set: roughing tap and finishing tap
Frequently asked questions
M15x1.5 HSS taps are designed for low-carbon steel, aluminum alloys, brass, and other easily machinable metals.
Yes, M15x1.5 hand taps can be used in both through holes and blind holes.
The set includes two taps – a roughing tap for initial guidance and a finishing tap for forming the final thread profile.
Product accessories
Tapered countersink 16.5/90 DIN 335 C HSS
Reference: 11247 In stock > 10 items
€9.74
€11.98 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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