Busch 447AU Pave Cut Carbide Twist Drill Assortment of 9 On 3/32" Shanks 0.80mm-1.60mm Knew Concepts 35mm) shank accessories

35mm) shank accessories

420 Stainless Steel Heads — Cast and hardened to 50Rc on the Rockwell scale

Do not use on zinc — do not dip zinc alloys in this solution

Filters sold separately — choose the correct cartridges for your application

propane gas is recommended

Busch 447AU Pave Cut Carbide Twist Drill Assortment of 9 On 3/32" Shanks 0.80mm-1.60mm Knew Concepts 35mm) shank accessoriesThe Busch 447AU Pav Cut Carbide Twist Drill Assortment gives jewelers a versatile, time saving set engineered specifically for pav setting work. Each bur in this 9 piece collection combines a twist drill and a round bur into a single tool pre drilling and seat shaping happen in one pass, eliminating the need to switch tools mid process. The result is improved precision, consistent stone seats, and a faster overall workflow. All nine burs are