Drill bit hss turbo point 4.2mm 1/card
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Product details
Condition
New
Location
South Africa
Product code
DR40042
Bob Shop ID
616066310
4.2mm HSS turbo point drill bit
Application:
The turbo point drill is designed for professional individuals who desire an aggressive cut in metals. The drill is designed with a standard 118 point, but shaped with a self-centering turbo point for cleaner entry and fast starts.
The drill bit is manufactured from HSS (hi-speed steel) and can be used to drill materials such as iron, steel, non-ferrous metals and plastics.
The shank is designed to have three flattened sides to ensure better grip in a 3 jaw chuck.
TIP:
When drilling hard metals, always use a coolant/lubricant. We recommend usingCT-90.
| APPOXIMATE DRILLING SPEEDS IN METAL: | |
| DIAMETER | RPM |
| 1.0 -2.0mm | 3500 |
| 2.5 - 3.5mm | 2500 - 2000 |
| 4.0 - 5.0mm | 1700 - 1400 |
| 5.5 - 6.0mm | 1400 - 1100 |
| 6.5 - 8.0mm | 1000 - 850 |
| 8.5 - 13.0mm | 800 - 500 |