Overview Reviews Product Description Thick backing flange for a flush fit and minimal exposure of spindle beyond the clamping nut for Walter® grinders with 5/8"-11 spindles Walter Catalog Product Videos Custom Field Product Reviews Write a Review Write a Review × Walter Backing Flange 5/8-11 Spindle 30B017 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *