Busch Burs, Fast Cut Cup, Fig. 411C

$2.82
6 - 66
72 - 138
144 +
Priced per piece.
Sold in multiples of 6.
Total ---
These very popular cup burs feature a unique blade design that allows for faster cutting, assuring longer life for the bur and more production for the jeweler. Head is slimmer than other cup burs — ideal when prongs are close together. 3/32" shank. Made in Germany.

Sold in multiples of 6.

Available in 8 sizes: 1.00mm, 1.20mm, 1.40mm, 1.50mm, 1.60mm, 1.80mm, 2.10mm, and 2.30mm.
Find these items on these pages in our catalog:
  • 157
    Busch Bur sizes correspond to the OD of the bur head. Shank diameter is 2.38mm (3/32"). Overall length is 44.5mm (1-3/4"). The overall length may vary slightly due to extra length in the head or neck.


    All dimensions are in millimeters.
    OD ID L Busch#
    1.00 0.75 0.71 010
    1.20 0.95 0.86 012
    1.40 1.15 1.03 014
    1.50 1.25 1.11 015
    1.60 1.30 1.19 016
    1.80 1.45 1.35 018
    2.10 1.70 1.62 021
    2.30 1.90 1.78 023