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Hand Tap M46X1.5 DIN 2181/2 6H HSS Fra
0000011187
Thread size: M46x1,5172 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
€139.18 tax inc.
Net price: €113.16
Description
Technical data for the M46x1.5 hand tap
| Technical data | |
|---|---|
| Nominal diameter d1 mm | M46 |
| Thread pitch P mm | 1.5 mm |
| Overall length l1 | 140 mm |
| Flute length l2 | 43 mm |
| Shank diameter d2 | 36 mm |
| Square drive size a | 29 mm |
| Tap drill diameter | 44.5 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 M46x1.5 thread is cut into the wall of a hole with a diameter of 44.5 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 M46x1.5 hole – sequence 1, 2
Hand tapping step by step
Thread M46x1.5 in four steps
ØDrilling
Drill bit 44.5 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 46 mm minus pitch 1.5 mm gives 44.5 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 115 mm, or 2.5 times the thread diameter (2.5 x 46 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 M46x1.5 screw.
M46x1.5 fine-thread hand taps
M46X1.5 Hand Tap DIN 2181/2 6H HSS is used to produce an M46 internal metric thread with a pitch of one and a half millimeters in structural steels with tensile strengths up to eight hundred megapascals; the two-part working sequence maintains stable cutting and a class six H fit.
Design parameters: nominal diameter forty-six millimeters; pitch one and a half millimeters; sixty° profile according to ISO 68-1; internal thread tolerances according to ISO 965 (6H hole); right-hand design; straight flutes for predictable evacuation. Recommended tap drill diameter: forty-four and a half millimeters; at the workstation, the sequence of passes is facilitated by M46x1.5 Hand Tap Set with clearly marked taps. Precision-ground high-speed steel (HSS) reduces microchipping and maintains low edge microroughness. According to DIN 2181/2, work proceeds with two taps: starter (I) and finisher (II), balancing torsional loads and supporting axial alignment.
- Controlled profile formation — dividing the work between I/II dampens torque fluctuations and reduces scuffing on the full profile.
- Long cutting edge life — ground high-speed steel (HSS) slows abrasion and minimizes material adhesion.
- Accuracy within the 6H tolerance zone — maintaining the pitch diameter promotes a successful GO / NO-GO inspection.
- Process standardization — during preparation and inspection M46x1.5 Hand Tap Set standardizes tap selection and speeds up dimensional verification.
Meeting the requirements of DIN 2181/2 (construction), ISO 68-1 (profile geometry), and ISO 965 (class 6H) ensures compatibility with measuring equipment, resulting in a predictable thread profile and consistent dimensions in one-off and small-batch work.
Stages of cutting an M46x1.5 thread with a 2-piece set: roughing tap and finishing tap
Frequently asked questions
Drill to 44.5 mm (diameter 46 mm minus pitch 1.5 mm) to achieve the correct thread engagement in class 6H.
Yes, the set can be used in both through holes and blind holes, in accordance with DIN 2181 and class 6H.
High-speed steel (HSS) provides high durability, abrasion resistance, and stable operation even under demanding conditions.
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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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