M-BRAD <strong>Abrasive</strong> <strong>Filament</strong> <strong>Power</strong> <strong>Brushes</strong> M-BRAD Disc <strong>Brushes</strong> Drive Arbors M-BRAD Disc Brush Drive Arbor These drive arbors are intended for mounting composite disc brushes on automatic deburring equipment. PFERD Specification Number BO 83978 Use for Brush Dia. (inches) Shank Dia. Inside Dia. Drive Hole Bolt Circle EDP No. 3-4 3/4 7/8 1/4 (2) 1.25 83982 1 5-6 3/4 7/8 1/4 (2) 1.25 83983 1 7-8 3/4 7/8 1/4 (3) 3 83984 1 9-10 3/4 7/8 1/4 (3) 3 83985 1 3-4 1 7/8 1/4 (2) 1.25 83978 1 5-6 1 7/8 1/4 (2) 1.25 83979 1 7-8 1 7/8 1/4 (3) 3 83980 1 9-10 1 7/8 1/4 (3) 3 83981 1 8
M-BRAD <strong>Abrasive</strong> <strong>Filament</strong> <strong>Power</strong> <strong>Brushes</strong> M-BRAD Composite Wheel <strong>Brushes</strong> M-BRAD Composite Wheel Brush For deburring, edge radiusing, light cleaning, and polishing. PFERD Specification Number RBU SiC 83771 Brush Dia. Arbor Hole <strong>Filament</strong> Dia. <strong>Filament</strong> Style Grit Size Trim Length Face Width EDP No. Silicon Carbide* Recom. Speed RPM MSFS Max. RPM 6 2 .040 Crimped 80 1-1/4 1 83720 1,200 - 3,000 3,600 1 6 2 .045 x .090 Rectangular 80 1-1/4 1 83721 1,200 - 3,000 3,600 1 6 2 .040 Crimped 120 1-1/4 1 83722 1,200 - 3,000 3,600 1 6 2 .022 Crimped 320 1-1/4 1 83723 1,200 - 3,000 3,600 1 8 2 .040 Crimped 80 1-1/4 1 83726 1,200 - 3,000 3,600 1 8 2 .045 x .090 Rectangular 80 1-1/4 1 83727 1,200 - 3,000 3,600 1 8 2 .040 Crimped 120 1-1/4 1 83728 1,200 - 3,000 3,600 1 8 2 .022 Crimped 320 1-1/4 1 83729 1,200 - 3,000 3,600 1 8 2 .040 Crimped 80 2-1/4 1 83732 1,200 - 3,000 3,600 1 8 2 .045 x .090 Rectangular 80 2-1/4 1 83733 1,200 - 3,000 3,600 1 8 2 .040 Crimped 120 2-1/4 1 83734 1,200 - 3,000 3,600 1 8 2 .022 Crimped 320 2-1/4 1 83735 1,200 - 3,000 3,600 1 10 2 .040 Crimped 80 1-1/2 1 83738 800 - 2,000 3,600 1 10 2 .045 x .090 Rectangular 80 1-1/2 1 83739 800 - 2,000 3,600 1 10 2 .040 Crimped 120 1-1/2 1 83740 800 - 2,000 3,600 1 10 2 .022 Crimped 120 1-1/2 1 83742 800 - 2,000 3,600 1 10 2 .022 Crimped 320 1-1/2 1 83741 800 - 2,000 3,600 1 10 2 .040 Crimped 80 3-1/4 1 83744 800 - 2,000 3,600 1 10 2 .045 x .090 Rectangular 80 3-1/4 1 83745 800 - 2,000 3,600 1 10 2 .040 Crimped 120 3-1/4 1 83746 800 - 2,000 3,600 1 10 2 .022 Crimped 320 3-1/4 1 83747 800 - 2,000 3,600 1 12 4-1/4 .040 Crimped 80 1-1/2 1 83750 800 - 1,500 1,800 1 12 4-1/4 .045 x .090 Rectangular 80 1-1/2 1 83751 800 - 1,500 1,800 1 12 4-1/4 .040 Crimped 120 1-1/2 1 83752 800 - 1,500 1,800 1 12 4-1/4 .022 Crimped 320 1-1/2 1 83753 800 - 1,500 1,800 1 12 4-1/4 .040 Crimped 80 3 1 83756 800 - 1,500 1,800 1 12 4-1/4 .045 x .090 Rectangular 80 3 1 83757 800 - 1,500 1,800 1 12 4-1/4 .040 Crimped 120 3 1 83758 800 - 1,500 1,800 1 12 4-1/4 .022 Crimped 320 3 1 83759 800 - 1,500 1,800 1 14 5-1/4 .040 Crimped 80 1-1/2 1 83762 800 - 1,500 1,800 1 14 5-1/4 .045 x .090 Rectangular 80 1-1/2 1 83763 800 - 1,500 1,800 1 14 5-1/4 .040 Crimped 120 1-1/2 1 83764 800 - 1,500 1,800 1 14 5-1/4 .022 Crimped 320 1-1/2 1 83765 800 - 1,500 1,800 1 14 5-1/4 .040 Crimped 80 3-5/8 1 83768 800 - 1,500 1,800 1 14 5-1/4 .045 x .090 Rectangular 80 3-5/8 1 83769 800 - 1,500 1,800 1 14 5-1/4 .040 Crimped 120 3-5/8 1 83770 800 - 1,500 1,800 1 14 5-1/4 .022 Crimped 320 3-5/8 1 83771 800 - 1,500 1,800 1 * All catalog items are Silicon Carbide (SiC) filament. Aluminum Oxide is available by special order. 9