CAT style Router Bit Heavy Duty suits 630 D, C, D, E, G, 631 D, C, D, E, G, 633, D, E 637 D, C, D, E, G, 639 D, E, 650 B, 651 B, E, F 657 B, E, F, 660 B, 666 B

<Caterpillar-Style End Bit – Part 8E-4194 (Left-Hand, Bolt-On) Type: Hot-cupped left-hand end bit Application: Fits Caterpillar D8 bulldozer (bolt-on cutting edge system) Part Number: 8E-4194 Mounting Style: Bolt-on end bit Specifications: Thickness: 1.625 in (41.28 mm) Width: 15.875 in (403.23 mm) Length: 23.5 in (596.9 mm) Material: Heat-treated, through-hardened alloy steel for wear resistance Cutting Edge Type: Curved / hot-cupped profile for better material flow Bolt & Nut Requirements: Bolts: Seven (7) × 1" × 3" plow bolts (25.4 mm × 76.2 mm) Nuts: Seven (7) × 1" hex nuts (25.4 mm) Bolt Hole Spacing: 4" (101.6 mm) center-to-center Edge to First Hole Distance: 3.75" (95.25 mm) from bucket edge to first hole center Features: Precision-formed for exact fit to Caterpillar D8 cutting edge system OEM-style design ensures reliable mounting and alignment Hardened steel construction for maximum service life in abrasive ground conditions Designed for easy installation and replacement with standard plow bolts and nuts Common Use: Left-hand end bit on D8 dozer blade assemblies Compatible with matching right-hand bit 8E-4193