Technical information

Types of chamfer forms

The types of chamfer are defined in standards DIN 2175 and DIN 2197 for forming taps and cutting taps, respectively.

Form
A
Chamfer form and length
Chamfer form A: 5 - 6 threads for through holes
Flute type
Tap with straight flutes
Form
B
Chamfer form and length
Chamfer form B: 4 - 5 threads for through holes
Flute type
Tap with straight flutes and spiral point
Form
C
Chamfer form and length
Chamfer form C: 2 - 3 threads for blind and through holes
Flute type
Tap with straight flutes Tap with 15° right hand spiral Tap with 40° right hand spiral Tap with 45° right hand spiral Forming tap without oil grooves Forming tap with oil grooves
Form
D
Chamfer form and length
Chamfer form D: 4 - 5 threads for through holes
Flute type
Tap with 15° left hand spiral
Form
E
Chamfer form and length
Chamfer form E: 1,5 - 2 threads for blind holes
Flute type
Tap with 40° right hand spiral Tap with 45° right hand spiral Forming tap without oil grooves
Form
F
Chamfer form and length
Lorem ipsum
Flute type
Forming tap without oil grooves Forming tap with oil grooves

More info

If you have not found the information you are looking for, contact us, our technical department will reply as soon as possible.

Contact us

Search in the site

Search the entire site, products or technical information.