Precision HSS M42 Cobalt Drill Bit Lot .1870 10.2mm 10.0mm .3937 5/16 This item is used. Please see photos for what you see is what you will receive. Mixed lot of 8 quality Precision drill bits, including .1870" AC751024, 10.2mm and 10.0mm HSS as well as M42 cobalt bits in .3937" (10mm) and 5/16". Suitable for high-precision and tough metal drilling tasks in manufacturing or workshop settings. Brand: Precision (Mixed Lot) Model/Type: Two .1870 AC751024 HSS bits, three 10.2mm HSS bits, one 10.0mm HSS bit, one .3937" M42 TP-9012 cobalt bit, and one 5/16" M42 cobalt bit Sizes: .1870" (approx 3/16"), 10.2mm, 10.0mm, .3937" (10mm), and 5/16" Material: High Speed Steel (HSS) and M42 Cobalt (notably for the TP-9012 and 5/16" bits for higher hardness and heat resistance) Condition: New or like new (please specify if used) Typical Use: Precision drilling of metal, production, fabrication, and machining?HSS bits are general-purpose; M42 cobalt bits optimized for hard or alloy steels Quantity: Lot of 8 drill bits in assorted sizes and specifications This is being sold AS-IS. No returns. Please only purchase this if you agree to those terms. SHELF: 12 AP