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Description
Material HSSE
Thread size M10
ChamferB (3.5–5.5) threads
Standard DIN 371
Technical data for the M10 machine tap
| Technical Data | |
|---|---|
| Nominal Diameter d1 | M10 |
| Thread Pitch P | 1.5 mm |
| Overall Length l1 | 100 mm |
| Flute Length l2 | 20 mm |
| Length l3 | 39 mm |
| Shank Diameter d2 | 10 mm |
| Square Drive Size a | 8 mm |
| Tap Drill Diameter | 8.5 mm |
| Chamfer | B (3.5÷5.5) P |
| Thread tolerance | 6H |
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 through-hole chamfer has a chip breaker at the front of the tap – an angled cut in the cutting edges. The chip breaker directs chips 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. Threads already cut remain clean because chips do not pass through them on their way up. The M10 x1.5 tap has a reinforced shank in accordance with DIN 371: diameter 10 mm, square 8 mm.
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 1.5 mm/rev, equal to the pitch of the M10 x1.5 thread.
M10 through-hole machine tap – cobalt HSSE DIN 371
The M10 machine tap for through holes is a professional tool for cutting internal M10 threads in through holes on CNC and conventional machine tools. Its HSSE high-speed steel construction with 5% added cobalt provides a hardness of 65-67 HRC and high heat resistance in the cutting zone up to 650°C. M10 is among the most popular metric thread sizes used in machine building, automotive manufacturing and series production of mechanical components. The short shank according to DIN 371 provides compact dimensions ideal for use in confined workspaces. The tool is intended for professional toolrooms, maintenance departments and CNC operators.
Key benefits of the M10 HSSE machine tap
- Popular M10 size is among the most commonly used metric threads in machine building, automotive manufacturing and series production, ensuring widespread availability of fasteners
- HSSE steel with 5% cobalt ensures a hardness of 65-67 HRC and heat resistance up to 650°C, extending cutting edge life even under intensive use
- Short shank in accordance with DIN 371 provides compact dimensions compatible with ER16 and ER20 holders, collets and tapping chucks with axial compensation
- The 6H tolerance according to DIN 371 ensures thread accuracy and full interchangeability with fasteners in the standard tolerance class used in the machinery industry
- Material versatility covering structural steels up to 800 MPa, alloy steels, 304/316 austenitic stainless steels, gray and ductile cast iron, and aluminum alloys
- Metric pitch of 1.5 mm in accordance with DIN 13 for M10 coarse threads, with a recommended tap drill diameter of 8.5 mm for optimum thread engagement
The M10 machine tap for through holes is used in automotive series production, on assembly lines and in maintenance departments for repairing and restoring threads in mechanical components. Form B with straight flutes provides efficient forward chip evacuation when tapping through holes. The tool requires cooling with an oil emulsion at a minimum concentration of 6-8% to maintain optimum tool life.
| Material | Cutting speed Vc [m/min] | Spindle speed n [rpm] | Feed f [mm/min] |
|---|---|---|---|
| PSteel | 5-20 | 159-637 | 238-956 |
| MStainless steel | 5-10 | 159-318 | 238-477 |
| KCast iron | 5-15 | 159-477 | 238-716 |
| NAluminum | 10-25 | 318-796 | 477-1194 |
Thread preparation M10 in a through hole
1 Spot drilling
NC spotting drill 90°
2 Drilling
Ø 8.5 mm
3 Tapping
M10
✓ Done!
Tolerance 6H
Standard: DIN 371 | Chamfer: B (straight) | Application: through holes
Tolerance 6H — metric thread tolerance classes
| Class | Accuracy | Application | Status |
|---|---|---|---|
| 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 M10 HSSE tap performs well in structural steels up to 800 MPa, alloy steels, austenitic stainless steels 304/316, gray and ductile cast iron, aluminum, and brass.
The recommended tap drill diameter for the M10 coarse thread is 8.5 mm. Accurate hole preparation ensures a full thread profile and minimizes the load on the tap.
With proper cooling, the M10 HSSE tap cuts 400-600 threads in structural steel and 200-300 threads in stainless steel. Dry operation reduces tool life by 30-40%.
Product accessories
Hand tap M10 DIN 352/3 6H HSS Bucovice
Reference: 0000006583 In stock > 10 items
€11.84
€14.57 brutto
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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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