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Festool HW S12 D21/30WM Edge-Trimming Cutter with Reversible Blades

Festool HW S12 D21/30WM Edge-Trimming Cutter with Reversible Blades
Festool HW S12 D21/30WM Edge-Trimming Cutter with Reversible Blades
Festool HW S12 D21/30WM Edge-Trimming Cutter with Reversible Blades
Festool HW S12 D21/30WM Edge-Trimming Cutter with Reversible Blades
Festool HW S12 D21/30WM Edge-Trimming Cutter with Reversible Blades
Festool HW S12 D21/30WM Edge-Trimming Cutter with Reversible Blades
Festool HW S12 D21/30WM Edge-Trimming Cutter with Reversible Blades
PACK SIZE
The price displayed for this product is the unit price of the product. Where a PACK SIZE is indicated, this refers to the recommended ordering quantity and is also indicative of how many of these products are packaged in a box.
  • Brand: FESTOOL
  • Model: FES491120
  • Weight: 0.12kg
  • Dim: 111.00mm x 34.00mm x 30.00mm
  • UPC: 4014549077399
Price:
R 4,399.90
Ex VAT: R 3,826.00

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Festool HW S12 D21/30WM Edge-Trimming Cutter with Reversible Blades

At a Glance: 21mm diameter flush-trimming cutter with a 30mm cutting length, rigid 12mm shank, two reversible blades and a plastic-coated guide bearing.

The Festool HW S12 D21/30WM Edge-Trimming Cutter is a professional bearing-guided router bit developed for accurate flush trimming with consistently clean results. Designed for the Festool OF 1400, OF 2000 and OF 2200 routers, it combines a rigid 12mm shank, two replaceable reversible blades and a plastic-coated guide bearing for controlled routing along straight or shaped workpiece edges.

The reversible-blade system ensures that a sharp cutting edge is readily available whenever the first edge becomes worn. Each blade can be rotated to expose a fresh cutting edge and can later be replaced without discarding the entire cutter. This helps maintain a constant cutter diameter and dependable routing dimensions while reducing downtime and replacement costs.

The plastic-coated ball bearing follows the reference edge while helping prevent visible tracking marks on sensitive surfaces. This makes the cutter particularly suitable for flush trimming laminates, edging, timber components and demanding mineral materials where a clean, streak-free finish is required.

Consistent flush trimming with replaceable cutting edges

The HW S12 D21/30WM is engineered for applications in which the cutter and guide bearing must remain precisely aligned. Its robust construction and reversible blades make it especially valuable when machining abrasive materials that can quickly dull conventional cutters, while the coated bearing supports clean guidance without leaving unwanted traces on the workpiece.

Product Highlights

  • Clean flush trimming: Produces consistent edge-trimming results along straight or shaped reference surfaces.
  • Two reversible blades: Each blade can be turned to expose a fresh cutting edge before replacement is required.
  • Rigid 12mm shank: Provides excellent cutter stability during demanding routing applications.
  • Plastic-coated guide bearing: Follows the workpiece while helping prevent marks and streaks on sensitive surfaces.
  • Replaceable components: The reversible blades and ball bearing can be replaced easily when worn.
  • Suitable for mineral materials: Delivers clean routing performance in demanding and abrasive materials.
  • Constant routing depth: Bearing-guided operation helps maintain a uniform flush-trimming position.

Extra Information

  • The cutter is designed for use with the Festool OF 1400, OF 2000 and OF 2200 routers.
  • A compatible 12mm collet is required for secure installation.
  • The cutter is equipped with two reversible blades and a plastic-coated guide bearing.
  • The guide bearing and reversible blades can be replaced independently when worn.
  • The plastic coating on the bearing helps prevent visible marks on sensitive workpiece surfaces.
  • Mineral materials are highly abrasive, making replaceable reversible blades particularly economical for this application.
  • The reference edge followed by the bearing must be smooth, clean and free from damage for the best routing results.
  • Both blades should be rotated or replaced together to maintain balanced cutting performance.

Pro Tips

  • Make a test cut on an offcut before trimming the finished workpiece, especially when working with mineral or decorative materials.
  • Ensure the guide bearing rotates freely and is free from adhesive, dust and resin before starting work.
  • Rotate both reversible blades at the same time to maintain cutter balance and consistent cutting quality.
  • Clean the blade seats carefully before reinstalling or replacing the reversible blades.
  • Remove excessive overhang in a preliminary pass before making the final flush-trimming cut.
  • Maintain steady contact between the coated bearing and the reference edge throughout the routing operation.
  • Use a smooth, controlled feed rate rather than forcing the cutter through the material.
  • Connect a suitable dust extractor to improve visibility and reduce airborne dust, particularly when routing mineral materials.

How to Use

  • Disconnect the router from the electrical supply before fitting, inspecting or adjusting the cutter.
  • Confirm that the router is compatible and fitted with a clean, undamaged 12mm collet.
  • Inspect the cutter body, reversible blades, retaining screws and guide bearing for wear or damage.
  • Insert the shank sufficiently into the collet without allowing the collet to contact the cutter body.
  • Tighten the collet securely according to the router manufacturer's instructions.
  • Adjust the routing depth so that the guide bearing runs fully against the intended reference edge.
  • Secure the workpiece firmly and ensure that the reference surface is clean, smooth and unobstructed.
  • Connect suitable dust extraction and select an appropriate router speed for the cutter and material.
  • Start the router and allow the cutter to reach full operating speed before contacting the workpiece.
  • Guide the router in the correct feed direction while maintaining continuous bearing contact with the reference edge.
  • Use more than one pass if a large amount of material must be removed.
  • Move the cutter clear of the workpiece and allow it to stop completely before setting the router down.

Features

  • 21mm cutter diameter: Provides controlled material removal for accurate flush-trimming applications.
  • 30mm cutting length: Suitable for trimming deeper edges and thicker workpiece materials.
  • 12mm shank: Creates a highly rigid connection between the cutter and compatible router.
  • Two replaceable blades: Delivers balanced cutting action and efficient material removal.
  • Reversible cutting edges: The blades can be rotated when one edge becomes worn.
  • Screw-mounted blades: Allows straightforward blade replacement using the appropriate tools.
  • Plastic-coated ball bearing: Guides the cutter while reducing the risk of tracking marks on the workpiece.
  • Bearing-guided design: Uses the adjoining edge or template as the reference for a constant routing depth.

Benefits

  • Consistent finished edges: The bearing and cutter remain aligned for accurate flush-trimming results.
  • Longer usable life: Each reversible blade provides a second cutting edge before replacement is necessary.
  • Reduced running costs: Only the blades or bearing need to be replaced instead of the complete router bit.
  • Improved stability: The strong 12mm shank helps minimise vibration and cutter deflection.
  • Streak-free routing: The coated bearing helps protect decorative and sensitive workpiece surfaces.
  • Reliable dimensional accuracy: Replacement blades maintain the cutter's original cutting diameter.
  • Effective on abrasive materials: Particularly useful where mineral materials cause rapid wear on conventional cutting edges.
  • Less downtime: Reversible blades can be rotated or replaced quickly when their cutting performance decreases.

Application

  • Flush trimming projecting edges and surface materials.
  • Trimming laminate and decorative board edging.
  • Routing timber and suitable wood-based materials.
  • Trimming mineral materials and solid-surface products.
  • Following straight or shaped templates and reference edges.
  • Cabinetmaking and furniture production.
  • Kitchen worktop and interior-fitting applications.
  • Producing constant routing depths along a guided edge.

Safety

  • Wear suitable eye, ear and dust protection whenever operating the router.
  • Disconnect the router from the electrical supply before fitting, adjusting, cleaning or inspecting the cutter.
  • Only use the cutter with a compatible router fitted with the correct 12mm collet.
  • Inspect the cutter body, shank, blades, screws and guide bearing before every use.
  • Do not use the cutter if any component is cracked, loose, damaged or excessively worn.
  • Ensure both reversible blades are correctly seated and securely tightened before starting the router.
  • Never exceed the maximum rotational speed marked on the cutter or specified by the manufacturer.
  • Secure the workpiece firmly and keep hands away from the cutter and routing path.
  • Always feed the router in the correct direction to reduce the risk of kickback or uncontrolled movement.
  • Do not force the cutter or attempt to remove excessive material in a single pass.
  • Use suitable dust extraction and respiratory protection when routing mineral materials or products that create hazardous dust.
  • Allow the cutter to stop completely before setting down the router or making further adjustments.

Specifications

Description Spec
BrandFestool
Cat No.FES491120
Manufacturer Item No.491120
Product TypeEdge-Trimming Cutter with Reversible Blades
ModelHW S12 D21/30WM
Cutter Diameter (D)21mm
Cutting Length (NL)30mm
Overall Length (GL)89mm
Shank Diameter (S)12mm
Number of Blades2
Blade TypeReplaceable Reversible Blades
Blade MountingScrew-Mounted
Guidance TypeBall Bearing Guided
Guide Bearing TypePlastic-Coated Ball Bearing
Compatible RoutersFestool OF 1400, OF 2000 and OF 2200
Suitable MaterialsWood, Wood-Based Materials, Laminates and Mineral Materials
Primary ApplicationFlush Trimming at a Constant Routing Depth

Scope of Delivery:

  • 1 x Festool HW S12 D21/30WM Edge-Trimming Cutter
  • 2 x Reversible Cutting Blades, Fitted
  • 1 x Plastic-Coated Guide Bearing, Fitted
Tags: FES491120 , HW S12 D21/30WM , Edge-Trimming Cutter , Flush Trim Router Bit , Reversible Blade Router Bit , 21mm Router Bit , 12mm Shank Router Bit
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