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Hand Tap M62X4 ISO 529/2 6H HSS
Net price: €223.68
Description
Technical data for the M62x4 hand tap
| Technical data | |
|---|---|
| Nominal diameter d1 mm | M62 |
| Thread pitch P mm | 4 mm |
| Overall length l1 | 200 mm |
| Flute length l2 | 65 mm |
| Shank diameter d2 | 40 mm |
| Square drive size a | 32 mm |
| Tap drill diameter | 58 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 M62x4 thread is cut into the wall of a hole with a diameter of 58 mm. The thread groove extends 2 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 M62x4 hole – sequence 1, 2
Hand tapping step by step
Thread M62x4 in four steps
Drill bit 58 mm
Chamfer 8 threads
Chamfer 2 threads
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 62 mm minus pitch 4 mm gives 58 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 155 mm, or 2.5 times the thread diameter (2.5 x 62 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 M62x4 screw.
M62x4 fine-thread hand taps
Hand Tap M62x4 ISO 529/2 6H HSS is a precision tool designed to produce metric M62 threads with a pitch of four millimeters in steels and metal alloys with a strength of up to eight hundred megapascals. In assembly processes and one-off machining, dimensional accuracy and profile stability are ensured by M62x4 Hand Tap Set, designed as a two-piece arrangement for even distribution of cutting forces.
Design data: nominal diameter sixty-two millimeters; pitch four millimeters; sixty° metric thread profile in accordance with ISO 68-1; internal thread tolerance 6H per ISO 965; right-hand. Ground high-speed steel (HSS) provides high resistance to microcracking and long-lasting cutting edge sharpness. Straight flutes enable smooth chip removal. The ISO 529/2 system defines the division of work between a starter tap (I) and a finishing tap (II), reducing torque fluctuations and improving axial alignment. Recommended tap drill: 58.0 mm; using coolant emulsion or active cutting oil improves surface quality and tool life.
- Smooth operation and stability — even torque distribution ensures a repeatable thread profile over the entire flute length.
- Wear resistance — the ground HSS surface reduces friction and maintains low microroughness.
- 6H fit accuracy — control of the effective diameter enables conformity with standard GO / NO-GO gauges.
- Workshop efficiency — the two-piece configuration reduces loads, increasing work speed and tool life.
Reference to ISO 529/2, ISO 68-1, and ISO 965 confirms full compatibility with inspection instruments and consistent results in one-off and small-batch machining. Process repeatability and an orderly workflow in workshop practice are facilitated by M62x4 Hand Tap Set, ensuring a consistent transition between the cutting and finishing stages.
Stages of cutting an M62x4 thread with a 2-piece set: roughing tap and finishing tap

Frequently asked questions
The set consists of two taps — a roughing tap and a finishing tap, which guarantee a fully formed thread when used in sequence.
The HSS tool works well in low-carbon steel, aluminum, brass, and other materials with good machinability.
High-speed steel (HSS) provides high durability, abrasion resistance, and stable operation even under demanding conditions.
Product accessories
Tapered countersink 63/90 DIN 335 B HSS
Reference: 096382 In stock < 10 items
€158.61 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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