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HSS 45° Hart Bur Sets

HSS 45° Hart Bur Sets

High Speed Steel

Sets of high speed steel hart (bearing cutter) burs in hinged wood boxes. 45° cutting angle. 3/32" shanks.

The Basics

  • Hart (Bearing Cutter) Burs are used to cut seats in prongs, flush settings, & channels. They are available with 45°, 70° or 90° cutting angles. They can also be used for bright cutting.
  • High Speed Steel burs and drills strike a balance between cost and durability. They maintain their hardness (temper) better than Vanadium Steel but cost less than Carbide Steel.
  • 3/32" dia. shanks are the jeweler's preferred standard for burs and small rotary tools. They fit the adjustable chucks found on most flexshaft handpieces as well as 3/32" handpiece collets.
Item No. Description Price Qty
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330-198A Set of 14 (1.1 to 7.2 mm)
$68.35
330-198B Set of 24 (1.1 to 8.0 mm)
$113.00