Busch Twist Drill Bur Fig 77 Jewelry Bur Size 014 Jewelers Burs 1.40mm Pack - 6

BUSCH TWIST DRILL BURS FIG 77. Vanadium Steel burs are economically priced. They cut precisely when new, but don't retain their sharpness as long as other steel alloys. They fit the adjustable chucks found on most flexshaft handpieces as well as 3/32" handpiece collets.

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