Precision Brand® 15550 Oversized Key Stock, 1 ft L x 3/4 in W x 1/2 in H, C1018 Steel, Zinc Plated

Precision Brand® key stock, oversized, C1018 steel, 1 ft L, 3/4 in W, 1/2 in H, zinc plated, rectangle. Oversized to assure tight fits in keyways for positive, zero backlash power transmission. Used to provide driving torque between shafts and pulleys, gears, sprockets, etc. Sizes marked on each piece. Square keys have smooth ends for easy insertion into keyways. In measurement system. +/-0.001 - 0.003 in tolerance.