Bohrcraft Drill and Tap Set M6–M12

This high-quality Bohrcraft drill and tap set combines an HSS-E machine tap with 5% cobalt and a fully ground HSS-G twist drill. Because each tap size is supplied with the correct drill diameter, you receive a precisely matched set for pre-drilling and creating metric internal threads.

This Bohrcraft drill and tap set consists of one machine tap and one matching twist drill. You can choose from M6, M8, M10 or M12, with each tap combined with the correct drill diameter.

The machine tap is made from HSS-E with 5% cobalt and has form B. The fully ground HSS-G twist drill is type N and manufactured according to DIN 338.

Key features

• Variants: available in M6, M8, M10 and M12.
• Machine tap: HSS-E Co 5% with form B.
• Twist drill: fully ground HSS-G drill, type N.
• Contents: each set contains one machine tap and one matching drill.
• Application: suitable for pre-drilling and creating metric internal threads.

Available variants

The M6 set contains a 5.0 mm drill. The M8 set is supplied with a 6.8 mm drill. M10 is combined with an 8.5 mm drill and M12 with a 10.2 mm drill.

Drill size and tap size

• M6 tap: 5.0 mm drill
• M8 tap: 6.8 mm drill
• M10 tap: 8.5 mm drill
• M12 tap: 10.2 mm drill

How to use the drill and tap set

1. Choose the variant that matches the required thread size.
2. Pre-drill the hole using the supplied HSS-G twist drill.
3. Position the machine tap straight in front of the drilled hole.
4. Then cut the metric internal thread.

Please note: use the tap and drill with a suitable machine, settings and lubricant for the material you are machining.

Frequently asked questions

What does this drill and tap set contain?

Each variant contains one machine tap and one matching twist drill. The drill diameter is matched to the selected metric tap size.

Which variants are available?

You can choose from M6, M8, M10 and M12. The correct drill diameter is automatically combined with the selected variant.

Which drill is supplied with the M6 tap?

The M6 machine tap is supplied with a 5.0 mm HSS-G twist drill. This combination is intended for preparing an M6 internal thread.

Which drills are supplied with M8, M10 and M12?

M8 is combined with 6.8 mm, M10 with 8.5 mm and M12 with 10.2 mm. Each variant is supplied as a complete two-piece set.

What materials are the tap and drill made from?

The machine tap is made from HSS-E with 5% cobalt. The matching, fully ground twist drill is made from HSS-G.

Are all machine taps manufactured according to the same DIN standard?

The M6, M8 and M10 versions are manufactured according to DIN 371. The M12 machine tap is manufactured according to DIN 376.

Need advice?

Would you like to know which size is suitable for your application? Please contact our customer service team. We will be happy to help you choose the right drill and tap set.