This 6-inch (151mm) helical cutterhead is designed for Sherwood 6-inch jointers, including 

• Sherwood SWJ-150-A 6in Bench Top Jointer
• Sherwood SWJ-150-D 6in Cabinet Jointer
• Sherwood SWJ-150-C 6in Standard Jointer
• Sherwood TBJ-6-C Woodworking Jointer
• Sherwood TBJ-6-D Woodworking Jointer
• Sherwood TBJ-6-E Woodworking Jointer

This helical spiral cutterhead features 6 cutting wings, offering faster feed and better surface quality. 

Featuring

• The better wood surface finish on both hard and softwood.
• The shear cut virtually eliminates tear-outs and kick-backs.
• 40x lifetime from our proud carbide insert.
• Producing much smaller chips and your dust collection system will function more efficiently.
• Changing blades is effortless and does not require adjustment.
• Replacement knife: 15x15x2.5mm-30°-R150 carbide insert knives. 
• No need to re-sharpen the blades any longer.
• At least 50% noise reduction.
• To properly align the inserts, please tighten them to approximately 6 Newton-meter torque.
• In case you’re unable to locate a cutter head that matches your machine model, we also provide an option for a custom cutter head.