Onsrud Series 37-00:
1 Flute - Solid Carbide 60° Metric Engraving Bit
Usage: Wood, plastic, aluminum, and solid surface
(SW) = Softwood
(HW) = Hardwood
(SP) = Soft Plastic
(HP) = Hard Plastic
(A) = Aluminum
(SSP) = Solid Surface
1 Flute - Solid Carbide 60° Metric Engraving Bit
Usage: Wood, plastic, aluminum, and solid surface
(SW) = Softwood
(HW) = Hardwood
(SP) = Soft Plastic
(HP) = Hard Plastic
(A) = Aluminum
(SSP) = Solid Surface