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Hand tap M1.6x0.2 DIN 2181/2 HSS
0000004417
Thread size: M1,6x0,2172 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
€12.95 tax inc.
Net price: €10.53
Description
Technical data for the M1.6x0.2 hand tap
| Technical data | |
|---|---|
| Nominal diameter d1 mm | M1.6 |
| Thread pitch P mm | 0.2 mm |
| Overall length l1 | 44 mm |
| Flute length l2 | 9 mm |
| Shank diameter d2 | 2.5 mm |
| Square drive size a | 2.0 mm |
| Tap drill diameter | 1.4 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 M1.6x0.2 thread is cut into the wall of a hole with a diameter of 1.4 mm. The thread groove extends 0.1 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 M1.6x0.2 hole – sequence 1, 2
Hand tapping step by step
Thread M1.6x0.2 in four steps
ØDrilling
Drill bit 1.4 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 1.6 mm minus pitch 0.2 mm gives 1.4 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 4 mm, or 2.5 times the thread diameter (2.5 x 1.6 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 M1.6x0.2 screw.
M1.6x0.2 fine-thread hand taps
Hand Tap M1.6x0.2 designed for cutting internal metric fine threads with a pitch of 0.2 mm and a 60° profile; in precision engineering and consumer electronics, the M1.6x0.2 hand tap set provides high stability when working with delicate materials.
The 2-piece set includes a roughing tap (long chamfer) and a finishing tap (short chamfer); straight flutes, square shank for a tap wrench; high-speed steel (HSS); tolerance 6H, mating with 6g; 60° profile according to ISO 68-1; dimensions and pitches according to ISO 261/262; tolerances according to ISO 965; hand tap set construction according to DIN 352; recommended tap drill 1.4 mm, facilitating a full profile as a M1.6x0.2 hand tap set.
To reduce the risk of torsional breakage at small diameters, use a low-viscosity coolant, maintain axial alignment, and reverse the tap every half turn to break chips and protect the edges in blind holes.
- Dimensional accuracy — class 6H maintains the fit and minimizes assembly clearance in miniature joints.
- Safe sequence — two-stage cutting reduces torque at the cutting edge and improves control in thin-walled parts.
- High durability HSS — good ductility and resharpenability maintain consistent surface quality; M1.6x0.2 hand tap set also operates reliably under varying loads.
- Predictable chip evacuation — straight flutes promote uniform chip evacuation and improve directional guidance.
The M1.6x0.2 Hand Tap in a 2-piece configuration, with straight flutes and 6H tolerance, maintains repeatable thread geometry and high surface quality.
Stages of cutting an M1.6x0.2 thread with a 2-piece set: roughing tap and finishing tap
Frequently asked questions
The set includes two taps – a roughing tap for initial guidance and a finishing tap for forming the final thread profile.
Yes, the set is designed for through holes and blind holes, in accordance with DIN 2181 and tolerance 6H (ISO 2).
HSS taps perform well when machining low-carbon steel, aluminum alloys, brass, and other easily machinable metals.
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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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