How to drill holes in stainless steel
Drill with a flashlight, the drill is almost OK, mainly when drilling, in the drilling parts add some water, in order to extend the life of the drill bit
The characteristics of stainless steel is high toughness, easy to stick a knife. So the drill hardness is high, surface finish better than ordinary bits, the bit angle large (130--135 degrees). At the same time to the full amount of feed and cooling. More than 0.15mm as much as possible without cutting in cold hardened layer. The cutting speed is as low as possible to reduce the cutting temperature. The cutting fluid is made of concentrated emulsions. Commonly used stainless steel drills are: high cobalt bit (M35 bit, M42 bit), in which the M42 bit is the most cost-effective, and carbide drills are also available.
With adjustable speed drill, you can drill stainless steel, the key is to use what drill, you can buy alloy drill, better point, you can buy imported alloy drill can be
