Wrench Head 20 mm - Wrench Electrical Connection: ½" NPSM conduit

Electrical Connection: ½" NPSM conduit or optional DIN plug (3-wire + ground)

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Malco Hole-In-One Hole Saws

National Fire Protection Association compliance requires fuel

Mounting: Breaker panel installation

Wrench Head 20 mm - Wrench Electrical Connection: ½" NPSM conduitWilliams QJOM20A 20 mm Wrench Head (WR Head) The Williams QJOM20A 20 mm Wrench Head is a high quality, industrial grade open end head designed for technicians who demand precision, durability, and reliable access when working with metric fasteners. Its slim WR style open end configuration allows quick engagement and excellent reach in tight, recessed, or obstructed spacesmaking it ideal for industrial machinery service, equipment maintenance,