Busch 447AU Pave Cut Carbide Twist Drill Assortment of 9 On 3/32" Shanks 0.80mm-1.60mm Speed Brite Organic formula signals when spent

Organic formula signals when spent via off smell—easy to know when to replace

repeatable tool changes in engraving and stonesetting work

Part # Description 141

the larger-tank Sil-Air 50-15 or Val-Air 50-15AL may be more suitable

The torch welds an unlimited range of materials

Busch 447AU Pave Cut Carbide Twist Drill Assortment of 9 On 3/32" Shanks 0.80mm-1.60mm Speed Brite Organic formula signals when spentThe 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