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M32x2 Machine Threader - through HSSE
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  • M32x2 Machine Threader - through HSSE
  • M32x2 Machine Threader - through HSSE - nr. 1
  • M32x2 Machine Threader - through HSSE - nr. 2
Narex Zdanice spol. s r.o.

Machine tap M32x2 DIN 374 B HSSE

Narex Zdanice spol. s r.o. Narex Zdanice spol. s r.o.
019516
€89.01 tax inc.

Net price: €72.37

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W magazynie: 2 pcs.
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Description

Material HSSE
Thread size M32x2
ChamferB (3.5–5.5) threads
Standard DIN 374

Technical data for the M32x2 machine tap

Technical Data
Nominal Diameter d1 M32x2
Thread Pitch P 2 mm
Overall Length l1 150 mm
Flute Length l2 27 mm
Shank Diameter d2 22 mm
Square Drive Size a 18 mm
Tap Drill Diameter 30 mm
Chamfer B (3.5÷5.5) P
Thread tolerance 6H
M32x2 DIN 374 tap – dimensional drawing with lengths and shank dimensions

How the type B through-hole chamfer pushes chips down the hole

Chips exit at the bottom instead of returning through the thread

The form B chamfer for through holes has a chip breaker at the tip of the tap – an angled cut in the cutting edges. The chip breaker directs the chip down the hole, ahead of the tap tip. The chip curls into a coil, breaks into short pieces and exits the hole on the other side of the workpiece. The threads already cut remain clean because the chip does not pass through them on its way up. The M32x2 tap has a reduced shank according to DIN 374: diameter 22 mm, square size 18 mm.

M32x2 DIN 374 tap – diagram of chip movement and rotation direction during tapping
1
Straight flute – chips do not enter it; the flute carries lubricant to the cutting edges.
2
The chip breaker at the tip of the tap directs chips down the hole.
3
The tap rotates clockwise to cut a right-hand thread.
4
B chamfer: 3.5–5.5 incomplete threads on the entry taper.
5
The chips break into segments: individual pieces at the top of the hole, with progressively more farther down. They fall out below the workpiece.
6
Feed 2 mm/rev, equal to the pitch of the M32x2 thread.

M32x2 fine thread machine tap – HSSE for machine construction

The M32x2 metric fine thread machine tap from the HSSE series is designed for cutting internal threads with a pitch of 2 mm in machine structures and components subject to dynamic loads. High-speed steel construction with 5% added cobalt guarantees a hardness of 65-67 HRC and long cutting edge life even when machining difficult-to-machine materials. The M32x2 metric fine thread offers better sealing and higher strength than the M32x3.5 coarse thread.

Why choose the M32x2 metric fine thread machine tap

  • Fine thread with a 2 mm pitch offers 75% higher tensile strength than the M32x3.5 coarse thread while maintaining quick assembly
  • Improved resistance to self-loosening thanks to a finer pitch and a larger helix angle compared with a coarse thread
  • HSSE steel with 5% cobalt guarantees a hardness of 65-67 HRC and heat resistance up to 650°C, extending cutting edge life
  • Tolerance 6H according to DIN 374 ensures precise thread production and full interchangeability with standard-grade fasteners
  • Material versatility covering structural steels up to 800 MPa, alloy steels, and gray and ductile cast iron
  • Recommended tap drill diameter 30 mm for the M32x2 metric fine thread ensures optimal thread engagement

The M32x2 machine tap is used in heavy machinery manufacturing, steel structures and the power industry, where greater strength than a coarse thread provides is required. Form B with straight flutes directs chips forward. Cooling with an oil emulsion at a concentration of 8-10% is recommended.

MaterialCutting speed Vc [m/min]Spindle speed n [rpm]Feed f [mm/min]
PSteel 5-20 50-199 100-398
MStainless steel 5-10 50-99 100-198
KCast iron 5-15 50-149 100-298
NAluminum 10-25 99-249 198-498

Thread preparation M32x2 in a through hole

1 Spot drilling

NC spotting drill 90°

2 Drilling

Ø 30 mm

3 Tapping

M32x2

✓ Done!

Tolerance 6H

Standard: DIN 374 | Chamfer: B (straight) | Application: through holes

Tolerance 6H — metric thread tolerance classes

ClassAccuracyApplicationStatus
4H / 4g High Precision connections, hydraulics —
6H / 6g Standard Machine building, general-purpose SELECTED
7H / 8g Low Large clearance, easy assembly —

6H = internal thread (nut, hole) | 6g = external thread (screw)

Frequently asked questions

The M32x2 fine thread provides approximately 75% higher tensile strength, better sealing, and greater resistance to self-loosening with a slightly longer assembly time.

The recommended tap drill diameter for the M32x2 metric fine thread is 30 mm. Precise hole machining ensures full thread engagement.

Yes, the M32x2 HSSE tap with 5% cobalt is suitable for machining 304/316 austenitic stainless steels. Flood cooling with an emulsion containing EP additives at a concentration of 8-10% is recommended.

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Machine tap M32x2 DIN 374 B HSSE

Machine tap M32x2 DIN 374 B HSSE

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