Busch Fig 414AU Carbide 90 Hart Burs 3/32" Shank .90mm-2.30mm By the Piece Bur Size:1.10mm 0 mm are made in

0 mm are made in China

Available in 4" and 6" cutting lengths and multiple diameters

1-1/2" thick maple butcher block top for rigidity and longevity

and bronze

Busch Fig 414AU Carbide 90 Hart Burs 3/32" Shank .90mm-2.30mm By the Piece Bur Size:1.10mm 0 mm are made inBusch Fig 414AU Carbide 90 Hart Burs are precision ground setting burs designed for cutting seats in prongs. Sold individually, these 90 degree hart burs are an ideal choice for jewelers who demand exceptional longevity and cutting performance from their burs. Carbide construction outlasts both tungsten vanadium and high speed steel burs, making them the longest lasting burs available for demanding bench work. Busch carbide burs excel on the toughest