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The 3M 7000045678 is a Roloc shank designed to connect Roloc disc pads to standard collet chucks or drill chucks in rotary grinding and finishing tools. The shank features a 6 mm diameter shaft that seats securely in 6 mm collet chucks or drill chucks, and a 1/4-20 external thread that engages Roloc disc pads with 1/4-20 internal threads. This adapter piece is the interface between the tool spindle and the abrasive disc pad, making it a routine replacement component for grinding, deburring, and surface preparation setups. Installers and tool technicians use this shank to keep Roloc disc systems running without replacing the entire pad holder assembly.
This shank is suited for light fabrication shops, metalworking operations, and maintenance environments where Roloc-style abrasive disc pads are used with air tools, die grinders, or drill chucks. It fits any application requiring a 6 mm drive shank with 1/4-20 external thread output. The compact form factor makes it easy to reach confined areas during deburring or finishing work.
Designed for use with Roloc disc pads that have 1/4-20 internal threads, mounted in tools or chucks with 6 mm collet or drill chuck capacity.
Installation is performed by tool technicians or operators familiar with rotary abrasive tool systems. Ensure the tool is powered off and air supply is disconnected before changing shanks. Thread the shank into the disc pad by hand until snug, and seat the 6 mm shaft firmly in the collet or drill chuck before applying torque to the chuck. Inspect the shank and threads for wear before each use.
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