In stock...DIAMOND TWIST DRILL BIT to clean out bead holes. Superior Diamond Coated, Made in U.S.A.(not China), remove burs,cleaning or enlarge bead holes.These are long lasting quality twisted drill bits. Entire length 42mm .Shank 1/16" or 2mm. Diamond surface on bit 22mm length . Grit 120. Will clean bead holes 1.6mm to 2.3mm. Lubricant is recommended for better performance and long lasting use. |