The Norton Gemini 57A16-Q is a heavy-duty grinding disc featuring a durable plastic back designed for reliable performance and longevity. With a 3/4 rim size and 3/4 back width, it delivers consistent material removal across a range of grinding and finishing applications.
Engineered to fit a 5/8-11 arbor, this disc is a dependable replacement back compatible with Norton Gemini flap disc setups. Its robust construction makes it well-suited for metalworking, fabrication, and MRO environments where durability and precision matter.