FD4560X Silver Line™ AO Fiber Disc for Metal (25 Pack)Pearl fiber discs have been engineered using the latest in electrostatic grain placement technology. Designed for blending, sanding and finish work. Pearl fiber discs are available in a variety of grits, grains and sizes. These discs feature a special mix of grain for high performance and life. Aluminum Oxide. Silver Line. For ferrous metals, iron, steel & sheet metals. Max RPM: 15,000. Prop 65 Warning: This product can expose you to chemicals

it is ideal for applications in which burning the material can be a problem

Ambient Temperature -4 to 131 Deg

The double cut geometry reduces the size of the chips and can be used at slower than normal speeds

Reducer Material/Paint: Cast Iron

• 135º split point provides fast penetration and accurate starting without a center punch

Natural Gas

PVC tubing offers resistance to most chemicals and solvents and is able to be sterilized repeatedly

You can vary motor speed between 300 and 3

Please Note: For use with intermittent

Two-Piece Housing has rust-proof plated finish

• Integral lubrication system

Boston Gear’s stem pinions feature small numbers of teeth that are cut integral to the steel shaft