I can buy those tipped drill bits pre-ground for metal drilling from the locksmiths i use in my day job.a tip on drilling a hardened piece of metal buy a standard masonary drill sharpen the edges the same as a standard twist drill . spot heat the aeria with oxy acetylene torch and drill through it works well on shortening and drilling hss mechanical hacksaw blades bought cheap
just found out screwfix do them for 4 quid i only pay 90 p though so i sharpen emI can buy those tipped drill bits pre-ground for metal drilling from the locksmiths i use in my day job.
just found out screwfix do them for 4 quid i only pay 90 p though so i sharpen em
i book em through my buisness so get em tax deductableWonderful! 4 for the price of one.
Should have said i get them for the day job but the company buys them