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Yellow Economy Hard Hat - Made In USA
and general purpose use for packaging bundling holding wrapping and waterproofing
The remainder slides into a groove in the hub called a keyway
Temperature range -75°F to 450°F (-59°C to 232°C) continuous 500°F (260°C) intermittent
3/4 Inch X 3/4 Inch X 12 Inch 303/304 Stainless Steel Undersize Square Keystock Yellow Economy Hard Hat -Key stock is a small metal block or wedge inserted between a shaft and the hub of a pulley gear sprocket or other rotating power device. It provides driving torque and prevents movement. One part of the key fits into a precut slot in the shaft known as a key seat. The remainder slides into a groove in the hub called a keyway. Woodruff keys are flat semicircular keys that rock into place and adjust to an angular spine without coming unseated. Machine