Norton Speed-Lok TR Back-Up Pad, 4" Diameter, Grit Medium (Pack of 10)

Norton Speed-Lok TR back-up pad (Disc Backing Pad: Quick-Change Type R). Quick-change Speed-Lok TR compatibility; medium density rubber threaded hub for secure disc retention yet easy removal. 1/4" shank diameter; compatible with Speed-Lok TR discs; maximum RPM 12,000. Commonly used on vertical shaft grinders for grinding and finishing operations. Pack and merchandising options available.

• Twist on and twist off in 2-1/2" turns^Disc locks securely to back-up pad, but is easily removed^Rubber threaded hubs