Cratex Wheels - 2-1/2" x 3/8" Grit:Coarse 030" Nut Outside Diameter 6

030" Nut Outside Diameter 6

LG422 contains germanium

Compatible with standard precious metal testing acids (sold separately)

Disc mandrel

Makes it easier to back out stuck drill bits

Cratex Wheels - 2-1/2" x 3/8" Grit:Coarse 030" Nut Outside Diameter 6The Cratex 2 1 2" x 3 8" abrasive wheel is a rubber bonded grinding and finishing wheel designed for use with standard bench or flex shaft equipment. At 2 1 2" in diameter with a 3 8" thickness and a 1 4" arbor hole, this wheel is well suited for deburring, smoothing, and surface preparation on metal workpieces. With a maximum safe operating speed of 8,300 RPM, it delivers controlled abrasive action for professional jewelry and metalsmithing