1 x 3.3mm HSS Cobalt JOBBER Drill BIT - for Drilling Stainless Steel, CR-NI & Hard Steel- Choice of 30 DIAMETERS - 1mm to 13.0mm

Product Information

stainless steel, for extremely high-risk and corrosive environments such as swimming pools – designed to fix sheeting and cladding to timber, light and heavy steel.

The Irwin Metric HSS Cobalt Drill Bits are perfect for drilling stainless steel and other high alloys. The following are trademarks for one or more DEWALT power tools, accessories, anchors and concrete adhesives: The yellow and black color scheme; the “D”-shaped air intake grill; the array of pyramids on the handgrip; the kit box configuration; and the array of lozenge-shaped humps on the surface of the tool.This generally means the length of the entire drill bit itself is significantly longer for diameter it has. Strong central core with tapered web that greatly reduces breakage and no walk tip for easy positioning on curved surfaces. Precision engineered steel drill bits, with 5% cobalt shaft, for use on tough materials and hard steel, including stainless steel.

I used the drill on a very low speed, and whilst it was effective to begin with, the bit became blunt before I could drill through the bolt. I suspect the bolt concerned was unusually tough and the drill bit appears to be high quality - hence giving 4 stars - but I was a bit disappointed the cobalt drill bit didn't complete the job this time.diameter EXTREME 2„¢ Metal Drill Bits are suitable for portable drilling of steel, alloyed and non-alloyed up to 900 N/mm2. HSS-G drill bits (10 pack) are suitable for drilling alloyed and non-alloyed steel up to a tensile strength of 900 N/mm², cast steel, cast iron, malleable cast iron, sintered iron, non-ferrous metals and hard plastics. right-hand cutting twist drill bit, type N, drill bit tip 136 degrees, split point manufactured to DIN 1412 C, diameter tolerance h 8. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. Stainless steel self-drilling screws for fixing sheeting and cladding - both cold and hot rolled steel up to 25mm thick, in a range of colours and head styles, including hex, low profile, and lacquered.

When I get my bench and bench grinder out of my hall cupboard later this year, I shall attempt to sharpen. For the best outcome, please provide detailed courier instructions and a contact number that we can pass on to the courier.As a standard drill can spin upwards of around 500 - 700rpm, the friction can cause a substantial build-up of heat.