"Needed to drill 8mm holes in 5mm thick angle iron - knew it would be tough so decided on a new sharp drill bit. Managed all 20 holes and bit still seems good, has blunted a little and later holes were tougher to do but overall I am impressed and would recommend."
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Review 6 for Bosch HSS-R DIN338 Drill Bit 11 x 94 x 142mm
"Just needed one 6mm drill bit as I forgot to pack my set in the tool box. Thought I give this Bosch one a go and see how it compares to the multi pack of disposable ones from the far east. Well I was very surprised on the way it drilled through the cast iron. Not the softest of metals to undertake a test on, but if it holds up on other materials and lasts longer than the cheeper ones i'll be buying Bosch from now on!"