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Hand Tap M2.3X0.35 ISO 529/2 6H HSS
Net price: €11.05
Description
Technical data for the M2.3x0.35 hand tap
| Technical data | |
|---|---|
| Nominal diameter d1 mm | M2.3 |
| Thread pitch P mm | 0.35 mm |
| Tap drill diameter | 1.95 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 M2.3x0.35 thread is cut into the wall of a hole with a diameter of 1.95 mm. The thread groove extends 0.175 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 M2.3x0.35 hole – sequence 1, 2
Hand tapping step by step
Thread M2.3x0.35 in four steps
Drill bit 1.95 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 2.3 mm minus pitch 0.35 mm gives 1.95 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 5.75 mm, or 2.5 times the thread diameter (2.5 x 2.3 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 M2.3x0.35 screw.
M2.3x0.35 hand tap fine-thread HSS. A set of two specialized hand taps for producing metric fine threads, type M 2.3x0.35, with a 60° angle, ISO DIN-13. The set includes a starter tap with a 8P chamfer and a finishing tap with a 2P chamfer. Tapping is performed in two successive steps, with the stock allowance divided appropriately between the two taps. They are manufactured in accordance with ISO 529 from special high-alloy HSS tool steel. This tool steel has excellent cutting properties that translate directly into high tapping quality. Above all, the offered M2.3x0.35 hand taps fine-thread versions withstand demanding operating conditions, and their cutting edges resist breakage, cracking and chipping. M2.3x0.35 hand taps made of HSS provide high productivity while producing threads of very good quality. Their tolerance class is 6H. Another advantage of the HSS used to manufacture the taps is improved machining precision. They are suitable for tapping components made of materials designated P1.2 – P1.3. These include carbon (unalloyed) steels, metals, nonferrous metals, metal alloys and plastics.
Product accessories
Tapered countersink 6.3/90 DIN 335 C HSS
Reference: 0000004110 In stock > 10 items
€5.18 brutto
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| Courier GLS | Cash on delivery | 17,26 zł gross | Lead time 1 working day |
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