15/32" Black and Gold High Speed Steel drill bits are ideal for production, maintenance and portable drilling jobs. This 15/32" Black and Gold Drill bit is made in the USA. They have a .4688 Decimal Equivalent, 4 5/16" flute length, and 5 3/4" Overall Length. The drills are 135 degree split point, surface treated and jobber length. These USA Made Drill Bits are dependable, general purpose drills designed to perform in a broad range of materials including aluminum, iron, stainless steel and other hard metal drilling.  Bisco Tool Supply sells a variety of sizes of Black and Gold fractional drill bits. Please call the Bisco Tool Supply sales staff toll-free at 1-866-247-2635 with any drill bit questions.