Bohrcraft HSS-E M3–M12 Machine Tap Set – 14 Piece

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This Bohrcraft HSS-E M3–M12 machine tap set consists of seven machine taps and seven matching twist drills. The complete set is designed for the machine cutting of metric through threads.

Each tap size is paired with the correct tapping drill. This keeps all required sizes clearly organised in one robust ABS case. The set is suitable for workshops, metalworking and maintenance.

Key features

• Sizes: machine taps in M3, M4, M5, M6, M8, M10 and M12.
• Material: HSS-E Co5 machine taps for good wear resistance.
• Design: metric machine taps with Form B lead for through holes.
• Contents: 14-piece set with seven taps and seven matching twist drills.

Storage: supplied in a clear and sturdy ABS case.

Complete combination of taps and drills

The set contains machine taps in accordance with DIN 371/376 in sizes M3 to M12. The matching HSS-G twist drills in accordance with DIN 338 have diameters of 2.5, 3.3, 4.2, 5.0, 6.8, 8.5 and 10.2 mm. This allows you to drill the correct tapping hole for each tap size.

What is this machine tap set suitable for?

The Bohrcraft MGB14G-K is suitable for producing metric internal threads in through holes. The set can be used for metalworking, mechanical engineering, repairs and general workshop use. Always select the tap and twist drill that match the required thread size.

How do you use the machine taps?

1. Select the required metric thread size.
2. Choose the matching twist drill from the ABS case.
3. Drill the tapping hole straight and to the correct depth.
4. Fit the appropriate machine tap into a suitable machine or tap holder.
5. Cut the thread evenly and use a lubricant suitable for the material being machined.

Important: before use, check that the speed, lubrication and tap size are suitable for the material and application. The Form B design is intended for through holes.

Technical specifications

Brand: Bohrcraft
Article number: 41421330014
EAN: 4014691230079
Model: MGB14G-K
Tap sizes: M3, M4, M5, M6, M8, M10 and M12
Drill sizes: 2.5, 3.3, 4.2, 5.0, 6.8, 8.5 and 10.2 mm
Machine tap material: HSS-E Co5
Twist drill material: HSS-G
Machine tap standard: DIN 371/376
Twist drill standard: DIN 338
Lead: Form B
Thread type: metric
Design: for through holes
Shank: square
Number of pieces: 14
Packaging: ABS case

Frequently asked questions

What is included in this machine tap set?

The set contains seven machine taps and seven matching twist drills. All fourteen pieces are supplied in a clearly organised ABS case.

Which tap sizes are included?

The machine taps are supplied in sizes M3, M4, M5, M6, M8, M10 and M12. This covers a wide range of commonly used metric thread sizes.

Which drill size matches each machine tap?

The combinations are M3 with 2.5 mm, M4 with 3.3 mm, M5 with 4.2 mm, M6 with 5.0 mm, M8 with 6.8 mm, M10 with 8.5 mm and M12 with 10.2 mm.

What is Form B suitable for?

Form B is used for cutting threads in through holes. The chips can be guided forward and out of the hole in the cutting direction.

What material are the machine taps made from?

The machine taps are made from HSS-E Co5. This is cobalt-alloyed high-speed steel used for wear-resistant cutting tools.

Can I also drill the tapping hole with this set?

Yes, a matching DIN 338 twist drill is included for every tap size. This allows you to drill the required tapping hole before cutting the internal thread.

Is the set intended for blind holes?

The taps have a Form B lead and are specified for through holes. A different tap design may be required for blind holes, depending on the required thread depth and chip evacuation.

How are the taps and drills supplied?

The complete set is supplied in a plastic ABS case. Each size has a fixed position, making the components easy to select and store neatly.

Need advice?

Would you like to know whether this machine tap set is suitable for your material or application? Please contact our customer service team. We will be happy to help you choose the correct tap size and tapping drill.