King Oil Tools

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Since 1937, King has grown to be the world's leading manufacturer and supplier of rotary drilling swivels. With the explosion of water well drillers after WWII, half our units have been used drilling for water. Half of King's sales comes from rig manufacturers. Thus, any rig owner is a potential customer for a replacement swivel and/or repair parts, plus any other drilling tools. All of King Oil Tools' swivels have been designed for specialized applications for individuals or rig manufacturers.