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Here you will find technical tables:
Guide values for cutting speeds
Table: Metric threads
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To the catalogue
Core hole dimensions – The tables
Bolt diameter – The tables
Thread determination – How to determine a thread
Thread tolerance calculator
External thread cutting with the quick-change insert for holding dies
All-steel tap wrench or zinc die-cast tap wrench: Which is better?
Machine thread cutting: This is what you should bear in mind when using it!
#5 Thread determination: Lens thread MF 17 x 0.5
The difference between fine thread and standard thread
Difference: single-start, double-start and multi-start threads
Thread length: 4 factors you should know
3 threading taps in comparison: machine tap, cut-in tap or hand tap
The 5 most important features to recognize a good tap set
How can you recognise a good adjustable tap wrench?