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Busch 3-in-1 Cup Bur

Busch 3-in-1 Cup Bur

Twincut Concave Cutter

It's called a 3-in-1 cup bur because it shortens, rounds, and polishes in one easy step. Twincut geometry features Dual Chip Channels that permit a more rapid removal of excess material. There's no need for multiple passes to allow for chip removal because of the Chip Channels. And as the bur rounds the article being worked, it polishes at the same time. Thinner cup walls make it easier to work on tightly spaced prongs. Available in diameters from 0.8 mm to 2 mm. 3/32" shanks. Made in Germany.

Item No. Image Diameter Price Qty
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331-411T-008 Busch Twincut Cup Bur, 0.8 mm 0.65 mm (inside) / 0.8 mm (outside)
$3.65
  • (6 or more) $2.92
  • (36 or more) $2.56
331-411T-009 Busch Twincut Cup Bur, 0.9 mm 0.75 mm (inside) / 0.9 mm (outside)
$3.65
  • (6 or more) $2.92
  • (36 or more) $2.56
331-411T-010 Busch Twincut Cup Bur, 1.0 mm 0.85 mm (inside) / 1.0 mm (outside)
$3.65
  • (6 or more) $2.92
  • (36 or more) $2.56
331-411T-011 Busch Twincut Cup Bur, 1.1 mm 0.95 mm (inside) / 1.1 mm (outside)
$3.65
  • (6 or more) $2.92
  • (36 or more) $2.56
331-411T-012 Busch Twincut Cup Bur, 1.2 mm 1.04 mm (inside) / 1.2 mm (outside)
$3.65
  • (6 or more) $2.92
  • (36 or more) $2.56
331-411T-013 Busch Twincut Cup Bur, 1.3 mm 1.14 mm (inside) / 1.3 mm (outside)
$3.65
  • (6 or more) $2.92
  • (36 or more) $2.56
331-411T-014 Busch Twincut Cup Bur, 1.4 mm 1.24 mm (inside) / 1.4 mm (outside)
$3.65
  • (6 or more) $2.92
  • (36 or more) $2.56
331-411T-015 Busch Twincut Cup Bur, 1.5 mm 1.34 mm (inside) / 1.5 mm (outside)
$3.65
  • (6 or more) $2.92
  • (36 or more) $2.56
331-411T-016 Busch Twincut Cup Bur, 1.6 mm 1.43 mm (inside) / 1.6 mm (outside)
$3.65
  • (6 or more) $2.92
  • (36 or more) $2.56
331-411T-017 Busch Twincut Cup Bur, 1.7 mm 1.53 mm (inside) / 1.7 mm (outside)
$3.65
  • (6 or more) $2.92
  • (36 or more) $2.56
331-411T-018 Busch Twincut Cup Bur, 1.8 mm 1.62 mm (inside) / 1.8 mm (outside)
$3.65
  • (6 or more) $2.92
  • (36 or more) $2.56
331-411T-020 Busch Twincut Cup Bur, 2.0 mm 1.81 mm (inside) / 2.0 mm (outside)
$3.65
  • (6 or more) $2.92
  • (36 or more) $2.56