Silverline Router TCT 4mm x 12mm Bit 1/4 inch Shank 178044

Silverline Straight Cut 1/4 inch 4mm TCT Router Bit

Barcode: 5055058135650

Code: 178044

Overview:

1/4 inch 4mm TCT Straight Cut Router Bit a precision straight cutter designed for clean routing in timber and abrasive sheet materials such as MDF and plywood. With a strong, hardened steel shank and TCT cutting edge, it’s built for durability and consistent results in everyday routing tasks. The 4mm cutting diameter is ideal for narrower grooves, channels and detail work, while the 12mm cutting length suits a wide range of joinery and fitting applications. With careful handling under normal conditions, TCT cutters can outlast HSS cutters many times over, making this a reliable choice for regular workshop use.

Key Features

• TCT straight router bit for timber, MDF and plywood

• 4mm cutting diameter for grooves, slots and detailed routing

• Strong, hardened steel shank for stability and longer service life

• Single flute design for controlled cutting and a smooth finish

• Suitable for general routing, grooving, rebating, dados and mortising

• Great for edge trimming and clean-up work on boards and sheet materials

• Designed to provide long-lasting performance compared to HSS cutters

Specifications

• Brand: Silverline

• Product Type: Straight Router Bit Cutter

• Product Code: 178044

• Cutting Diameter: 4mm

• Cutting Length: 12mm

• Shank Diameter: 1/4 inch

• Cutter Type: Straight Cutter

• Cutting Edge Type: TCT

• Flutes: Single flute

• Suitable Materials: Timber, MDF, plywood

Applications

• Cutting narrow grooves and channels in timber

• Routing slots and recesses in MDF and plywood

• Dados for small joinery and fitting work

• Mortising for compact housings and rebates

• Edge trimming and finishing on boards and sheet materials

• General routing where a fine 4mm cutter is required

How to Use

• Confirm your router uses a 1/4 inch collet and fit the bit securely

• Clamp the workpiece firmly and set the required cutting depth

• Make smooth, controlled passes and avoid forcing the cutter

• For deeper cuts, take multiple lighter passes for a cleaner finish

• Keep the cutter moving to reduce heat build-up in MDF and plywood

• Switch off and let the bit stop fully before adjusting or removing

Straight Cut 1/4 inch 4mm TCT Router Bit – Key FAQs

• What materials can this 4mm TCT router bit cut?
  It’s designed for cutting a wide range of timber and abrasive sheet materials such as MDF and plywood, making it suitable for general workshop routing.

• What are the cutting dimensions of this router bit?
  The cutter has a 4mm cutting diameter and a 12mm cutting length, ideal for narrow grooves, slots and detail routing work.

• What shank size does it use?
  This router bit has a 1/4 inch shank, so it fits routers with a 1/4 inch collet (always confirm compatibility before use).

• Is it single flute or twin flute?
  This model is single fluted, helping provide controlled cutting and a smooth finish, especially in narrower routing applications.

• What jobs is a 4mm straight cutter best for?
  A 4mm straight cutter is ideal for grooving, dados, mortising, rebates and edge trimming where a finer cut width is required.

• Why choose TCT instead of HSS?
  With careful handling under normal conditions, TCT cutters can outlast HSS many times over, especially when working with abrasive materials like MDF.