DOR HSS TAP 3/4X20NO3

Machine taps E570

See technical information

References

Dormer:E5703/4X20NO3
Rubix:1068882
EAN:7320760200575
Tap 3/4 inch x 20 ISO 529

Technical specifications

Threadingun 3/4-20
Threading diameter19.05 mm
Typebritish blind bores and through-bores
See all Specifications

Product details : DOR HSS TAP 3/4X20NO3


HSS machine tap for UN threads uncoated ISO 529 form C straight flutes 1.5xD blind and through holes for general use in steel <1200 N/mm². Cast iron. Copper and brass. Aluminium alloys. Duroplastics and fibre-reinforced plastics.

Applications

• Free-cutting steel / mild steel (<120 HB <400 N/mm²)
• Structural steel / case-hardening steel (<200 HB <700 N/mm²)
• Carbon steel (<250 HB <850 N/mm²)
• Alloy steel (<250 HB <850 N/mm²)
• Alloy steel hardened and tempered (>250<350 HB >850<1200 N/mm²)
• Cast iron lamellar (<150 HB >500 N/mm²)
• Cast iron lamellar (>150<300 HB >500<1000 N/mm²)
• Nodular cast iron / malleable cast iron (<200 HB <700 N/mm²)
• Nodular cast iron / malleable cast iron (>200<300 HB >700<1000 N/mm²)
• Copper (<100 HB <350 N/mm²)
• Beta-brass / bronze (<200 HB <700 N/mm²)
• Alpha-brass (<200 HB <700 N/mm²)
• Extra-strong bronze (<470 HB <1500 N/mm²)
• Aluminium alloyed with silicon 0.5% (<150 HB <500 N/mm²)
• Aluminium alloyed with silicon >0.5% <10% (<120 HB <400 N/mm²)
• Aluminium alloyed with silicon >10%, whisker-reinforced aluminium alloys, magnesium alloys (<120 HB <400 N/mm²)
• Duroplastics
• Reinforced plastics

Technical specifications


Attributes
Threadingun 3/4-20
Threading diameter19.05 mm
Typebritish blind bores and through-bores
With cooling sprayno
Direction of threadingright
Drilling diameter17.8 mm
Tail diameter11.2 mm
Square drive adapter14 mm
Thread depth29 mm
Coatingbright
Total length112 mm
Body materialhss
No. of threads per inch20
Shank typesquare (square drive)
£ 95.80 excl. VAT
/ Each
£ 114.96 incl. VAT
  • Usually arrives within 14 working days