WALTER WAL-12C221 - Plug 18R 3" x 4" Zirconia Alumina Threaded Grinding Wheel hole saw arbor • Anodized aluminum parts prevent

• Anodized aluminum parts prevent metal oxidation discoloration transfer to material year after year

Blue-Kote three-layer coating for corrosion resistance in outdoor projects

Operating on 208/230V single-phase power at 15A

Broached and clear-coated openings for added corrosion protection

WALTER WAL-12C221 - Plug 18R 3" x 4" Zirconia Alumina Threaded Grinding Wheel hole saw arbor • Anodized aluminum parts preventThe Walter 12C221 is a high performance 18R shaped grinding plug engineered for aggressive material removal in the most demanding industrial environments. Constructed with premium Zirconia Alumina (ZA) grains, this 16 grit abrasive tool provides an exceptionally fast cut rate and extended service life when working on both steel and stainless steel. Designed for foundries, steel mills, and heavy fabrication shops, it excels at cleaning, shaping, and