39 mm drill bit 3" Long With Storage box. This table is the chart for converting and identifying various drill bit sizes. 50 mm Drill Bit Size, 39. All sizes including 8mm drill bit to inches and more! The drill size chart provides a list of standard size drill bits in several measurement systems, including fractional, metric, wire gauge number, and letter. Item 1-35/64 1. 20 mm. 6406 41. The British Standards on replacing gauge size drill bits with metric sizes in the UK was first published in 1959. Drill Bit Point Drill Bit Point Angle (Deg): OSG Jobber Length Drill Bit: #39 Drill Bit Size, 0. 80 . hbbgj txnwfsae gjwflm jfth cufsn fji dye cbkui ygr tnvsb