DORMER HSS TAP M20 E251M20

Machine taps E251

See technical information

References

Dormer:E251M20
Rubix:1073829
EAN:7320760087237
Tap M20x2.50mm DIN 371

Technical specifications

Threadingm20
Threading diameter20 mm
Typemetric blind bores and through-bores
See all Specifications

Product details : DORMER HSS TAP M20 E251M20


HSS-E machine tap for left-hand metric thread uncoated DIN 376 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 and duroplastics.
LEFT-HAND MACHINE TAP M20X2,50 E251 LEFT 6H HSCO

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)
• Beta-brass / bronze (<200 HB <700 N/mm²)
• Alpha-brass (<200 HB <700 N/mm²)
• Aluminium alloy silicon 0.5% (<150 HB <500 N/mm²)
• Aluminium alloy silicon > 0.5% < 10% (<120 HB <400 N/mm²)
• Duroplastics

Technical specifications


Attributes
Threadingm20
Threading diameter20 mm
Typemetric blind bores and through-bores
With cooling sprayno
Drilling diameter17.5 mm
Square drive adapter16 mm
Coatingbright
Total length140 mm
Body materialhss-e
£ 88.20 excl. VAT
/ Each
£ 105.84 incl. VAT
  • Usually arrives within 14 working days