A tough, resilient, rubberized abrasive that utilizes silicon carbide as the abrasive grain in a standard bond of premium grade, oil-resistant chemical rubber. Its unique cushioned action allows the abrasive grains to cut freely, smoothly and softly without gouging or digging into the work surface. Clean and polish to remove surface deposits. Remove rough surfaces to improve performance, appearance and cleanliness. Ideal for work on jewellery, plastic parts, small castings and models. All Cratex Cones have a 1/4" arbor hole. Cylinder and Bullet shapes have a threaded insert to accept Cratex Mandrel 1341 (840-3180). Maximum operating speed: 20,000rpm.Available in 3 shapes and 4 grits: Style # Shape Diameter x Thickness 1340 Taper (Cone) 5/8" > 1/4" x 1" 1350 Cylinder 7/8" x 1" 4707 Bullet 7/8" x 1-3/4" Colour Type Approx. Grit Dark Green Coarse 40 Brown Medium 90 Red Fine 120 Light Green Extra-Fine 240
