DORMER R5204.5 R520 4.50 MM CARBIDE CDX STRAIGHT STUB DRILL 5981220

Metal drills R520

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References
Dormer:R5204.5
Rubix:293A7470
EAN:7320760116210
CDX Jobber Dril 4.50 mm DIN 6539
Technical specifications
Drilling diameter4.5 mm
Total length58 mm
Length of cut24 mm
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Product details : DORMER R5204.5 R520 4.50 MM CARBIDE CDX STRAIGHT STUB DRILL 5981220


VHM extra short twist drill with cylindrical shank DIN 1897 CDX 130° TiN coated 2.5xD for steel <1620 N/mm². Cast iron. Nickel. Aluminium and aluminium-magnesium alloys and synthetic materials such as thermoplastics and duroplasts.
DRILL 4,50 EXTRA SHORT QC R520 CDX CW MONOBLOC TIN

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)
• Lamellar cast iron (<150 HB >500 N/mm²)
• Lamellar cast iron (>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)
• Duroplasts
• Reinforced plastic materials

Technical specifications


Attributes
Drilling diameter4.5 mm
Total length58 mm
Length of cut24 mm
Shank typecylindrical
Din standarddin 6539
Coatingtin
Ratio of diameter to length of drill hole2,5xd
Tail4,5mm
Internal coolingno
Machining materialsteel, cast iron, nickel, aluminium and aluminium-magnesium alloys and synthetic materials such as thermoplastics and duroplastics
Tip angle130 °
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