Общий каталог PRECITOOL - страница 160
Навигация
The brands of PRECITOOL
ProduktinformationProduct information
Threaded tools
Top quality
Premium quality Industrial quality
for the most demanding
for serial production for the price-conscious
user
made of high-speed steel with made of high-speed steel
of powder metallurgical HSS
vanadium content with cobalt content
with cobalt content
Thread depth up to 2.5 × D Thread depth up to 2 × D
Thread depth up to 3 × D
max. twist angle 45° degrees max. twist angle 40° degrees
max. twist angle 50° degrees
blank, nitrided and/or blank, steam-tempered
blank, vaporised or coated
vaporised or coated or coated
Taps
Product information
Choice of the correct tap type
13
Through hole Blind hole
Starting cut: Starting cut: Form B = with spiral point Form C, right hand spiral flute
The spiral grooves guide the chips
The spiral point guides the chips in the cutting direction. upwards out of the bore. Blind hole
Through hole
Tap overview Tap (centring)
A with long section for Centring:
| through holes | M3 ÷ M6 | DIN 371 |
| M3 ÷ M6 | DIN 376 | |
| B with spiral point for through | M3 ÷ M6 | DIN 374 |
| holes | M3 ÷ M6 | DIN 352 |
| C with short section for blind | M3 ÷ M6 | DIN 2181 |
| holes | M3 ÷ M6 | DIN 357 |
| C with short section for blind | M3 ÷ M10 | DIN 2174 |
holes Full male centre Full male centre d thread diameter l total length d1 thread diameter l1 thread length
d2 gate diameter l2 useful length
| 3 | l3 section length | Reduced external centre | Chamfer centring | |
| l4 square length | ||||
| k square dimension | ||||
| (to DIN 10, part 1) | Full male centreCentring: | Full male centre |
Centre hole M8; M10 DIN 371Centre hole M12 DIN 376 Thread types (selection series) Reduced external centre Chamfer centring
Metric 60° NPT 60° 30° 30° Metric fine 1° 47' 60°
| BSW Withworth | UNC | |
| 55° | 60° | |
| G. Whitworth | UNF | |
| pipe thread | ||
| 55° | 60° | |
| ISO trapezoidal | Conduit | |
| thread | ||
| 30° | 80° |
Centre hole Centre hole
Centring: Full male centre Full male centre
| M7; M9 | DIN 371 |
| M7 ÷ M10 | DIN 376 |
- M14 DIN 376
- M7 DIN 374
Reduced external centre≥ M7 DIN 352Chamfer centring
- M7 DIN 2181
- M7 DIN 357
- M12 DIN 2174
Centre hole Centre hole
www.precitool.de www.precitool.de 13/155