M6 x 12 fixing screw for jointer cutterhead chipbreaker

This M6 x 12 chipbreaker retaining screw is designed for securing chipbreakers on traditional straight-knife cutterheads used in jointers and planer/thicknessers.

Manufactured to withstand the significant mechanical stresses generated by high-speed cutterhead rotation, this screw ensures reliable chipbreaker retention and contributes directly to both the safety and machining quality of your woodworking machine.

An essential component for securing jointer knives

On a traditional cutterhead, the chipbreaker clamps and secures the jointer knife in its housing. This M6 x 12 screw plays a critical role in maintaining proper clamping force and keeping the knives securely adjusted during operation.

Proper tightening helps:

• maintain accurate knife settings,
• reduce vibration,
• improve surface finish quality,
• ensure safe machine operation.

Technical specifications

Type: Chipbreaker retaining screw
Thread size: M6
Length: 12 mm
Dimensions: M6 x 12
Application: Securing chipbreakers on jointer and planer cutterheads

When should this screw be replaced?

Replacement is recommended if:

• the thread is damaged,
• the drive recess is worn,
• the screw head is deformed,
• or proper tightening can no longer be achieved.

A worn screw may compromise the clamping force of the chipbreaker and affect the safety of the machine.

Compatibility

This screw is suitable for many cutterheads using M6 x 12 fastening screws for chipbreaker retention.

Important: before ordering, please verify the dimensions of your original screw and ensure compatibility with your machine model.