References
Dormer:R5203.4
Rubix:376A3661
EAN:7320760116104
Technical specifications
| Drilling diameter | 3.4 mm |
|---|---|
| Total length | 52 mm |
| Length of cut | 20 mm |
Product details : DORMER R5203.4 5981164
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 3,40 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
• 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 diameter | 3.4 mm |
|---|---|
| Total length | 52 mm |
| Length of cut | 20 mm |
| Shank type | cylindrical |
| Din standard | din 6539 |
| Coating | tin |
| Ratio of diameter to length of drill hole | 2,5xd |
| Tail | 3,4mm |
| Internal cooling | no |
| Machining material | steel, cast iron, nickel, aluminium and aluminium-magnesium alloys and synthetic materials such as thermoplastics and duroplastics |
| Tip angle | 130 ° |
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£ 48.42 excl. VAT
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£ 58.10 incl. VAT
- Usually arrives within 14 working days