Tungsten carbide burr, 3/8" tree radius (sf-3) with 1/4" shank. max rpm: 70,000. shank mounted Tungsten carbide burrs are double cut for fine work. designed for use on ferrous metals, plastic, fiberglass and other machinable materials. great for deburring, sculpting and removing material in hard-to-reach areas. designed for use with high speed die grinders like forney 01993.

• Tungsten Carbide Burr, 3/8" Tree Radius (SF-3)
• 1/4" shank, Max RPM: 70,000
• Double cut for fine work
• Designed for use on ferrous metals, plastic, fiberglass and other machinable materials
• For use with high speed die grinders