DORMER S74020.0 6706903

Countersink mills S740

See technical information

References

Dormer:S74020.0
Rubix:376A4127
EAN:7320760684528
Chamfering End Mill 20.0 mm Dormer norm

Technical specifications

Diameter20 mm
Type of tailha
Tail diameter20 mm
See all Specifications

Product details : DORMER S74020.0 6706903


Solid carbide (VHM) 2-flute countersink mill 90° with short cutting-edge and projection length. DIN 6335 HA cylindrical shank. 40° helix and 10° rake angle. AlCrN coated for steel <1200 N/mm². Stainless steel <850 N/mm². Cast iron. Titanium and nickel alloys <900 N/mm².

Applications

• Free-cutting steel / mild steel (<120 HB <400 N/mm²)
• Structural steel / case-hardenable 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)
• Stainless free-cutting steel (<250 HB <850 N/mm²)
• Stainless steel - Austenitic (<320 HB <1100 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)
• Titanium alloy (<270 HB <900 N/mm²)
• Nickel alloy (<270 HB >900 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 / unalloyed magnesium (<100 HB <350 N/mm²)
• Aluminium alloy Silicon 0.5% (<150 HB <500 N/mm²)
• Aluminium alloy Silicon > 0.5% < 10% (<120 HB <400 N/mm²)
• Aluminium alloy Silicon >10% / whisker-reinforced aluminium alloys / magnesium alloys (<120 HB <400 N/mm²)

Technical specifications


Attributes
Diameter20 mm
Type of tailha
Tail diameter20 mm
Number of teeth2
Length of cut38 mm
Total length90 mm
Cutting materialcarbide
Coatingaltin
Machining materialsteel, stainless steel, cast iron, titanium and nickel alloys
£ 308.77 excl. VAT
/ Each
£ 370.52 incl. VAT
  • Usually arrives within 14 working days