140mm Cutting Length - M42 - Tersa Planer Knife Helix Heads Fits the following machines: Delta

Fits the following machines: Delta RC-63

Grizzly Model G670

Carbide STB Bar - STB316

4 Corner Bevels | R05

Fits the following machines:  Fits Woodtek

140mm Cutting Length - M42 - Tersa Planer Knife Helix Heads Fits the following machines: DeltaType Tersa Steel Grade M42 Length 140 mm Width 10 mm Thickness 2. 35 mm Brand Tersa Tersa blades may require up to a 1 week wait prior to shipping. Priced per knife. Purchase in pairs. M42 is an exotic hard grade of High Speed Steel with more Cobalt and Vanadium for 35% longer life than HSS grade. It is great for surfacing most hardwoods. All knives are double edged and fit the Tersa brand cutterheads. These knives are the original Swiss Made Tersa