B: 1-13/16" Bore - 65 Shank - 50 Usable - 85 OAL -- Titan Hydro-Lock Sleeve Shank Diameter_65mm These use industry standard features

These use industry standard features and metric hardware

and Import Brand Moulders:

All heads are precision CNC machined from high strength hardened alloy steel and designed to operate at speeds up to 9

Each long wearing carbide knife has four edges that can be dulled before replacement

B: 1-13/16" Bore - 65 Shank - 50 Usable - 85 OAL -- Titan Hydro-Lock Sleeve Shank Diameter_65mm These use industry standard featuresHydro Sleeve Style B Bore Diameter (D) 1 13 16" Shank Diameter (D1) 65 mm Flange and Nut Diameter (D2 and D3) 98 mm Bolt Circle and Nut Diameter (D4 and D7) 80 mm Bolt Couter Bore Depth (H) 9 mm Overall Length (L) 85 mm Usable Capacity (L1) 50 mm Shank Length (L2) 65 mm Brand Titan Knife High precision, lower cost solution for centering insert cutterheads, spiral heads, and saw blades on production moulders, tenoners, and rip saws. CNC machined from