Boa Quick Change Diamond Tip Drill Bits ith a vacuum brazed diamond tip, Boa Diamond Drills are developed for hard materials. This product has been 10 years in development with a welded diamond tip for greater strength and endurance.\nManufactured in the UK, these drills will perform beyond expectation, and with the addition of the Boa CCV (Cool Clear Vision) guide and water cooling device this product stands out from the competition.\nThe Boa 34008 is a 8mm Diamond tip drill bit\n\n--\nOur eBay Store\n\nPlease note: This item has a longer lead time for dispatch then normal as it's a non-stocked item that is ordered in, please see the estimated delivery date by eBay. We will of course ship the item sooner if possible.\n\nBOA 34008/RES/BOA Quick Change Diamond Tip Drill Bit 8mm\n\nProduct Details\n\nBoa Quick Change Diamond Tip Drill Bits ith a vacuum brazed diamond tip, Boa Diamond Drills are developed for hard materials. This product has been 10 years in development with a welded di;