Busch Cup Burs Fig. 77B
Trusted by jewelers worldwide, Busch is the leading name in precision burs. These Fig. 77B cup burs (European Fig. 411 / USA Fig. 77B) are crafted from tungsten vanadium steel and manufactured to ultra-precise tolerances for exceptional performance.

Ideal for stone setting and jewelry finishing, these burs feature a concave cutting surface perfect for rounding and smoothing prongs and wire ends.

Available Sizes:

Choose from 17 size options:
1.00mm, 1.10mm, 1.20mm, 1.30mm, 1.40mm, 1.50mm, 1.60mm, 1.70mm, 1.80mm, 1.90mm, 2.00mm, 2.10mm, 2.20mm, 2.30mm, 2.50mm, 2.70mm, 2.90mm

Please Note:
All sizes are sold in packs of 6 burs per size.