Universal Tungsten Carbide Woodturning Cutter Inserts Set
Universal Tungsten Carbide Woodturning Cutter Inserts Set
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HSS Square Hole Drill Bit for Wood
HSS Square Hole Drill Bit for Wood

40x12x1.5mm-35° Double-Edge Indexable Carbide Inserts

Double-edge indexable carbide inserts feature a dual-sided cutting edge, allowing the tool to perform both primary and secondary cuts without changing the insert or re-grinding. This design maximizes …

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40x12x1.5mm-35° Double-Edge Indexable Carbide Inserts. Built around replaceable carbide insert knives: when the edge wears, swap or flip the insert instead of replacing the whole tool — consistent cut quality at a fraction of the running cost.

Specification Value
Cutting angle 35°
Material Tungsten carbide (HM) replaceable inserts on steel body
Type Insert router bit (replaceable knife system)
Typical application CNC woodworking, furniture and cabinet production
Design Double-edged reversible — flip to use the second edge
Grade VP08 (factory-exclusive series)
MOQ 10 pcs / 50 pcs / 100 pcs (by size and type)
Lead time 7–10 days (standard), up to 15 days (custom or bulk)
Quality control 100% inspected before shipment; sample test report available
Compatible machines CNC machining centres — specify brand & model when enquiring
Suitable materials MDF / laminate / solid wood / plywood

Why replaceable inserts

  • Swap a fresh insert edge in seconds — no regrinding, no machine downtime.
  • Indexable edges keep the cutting geometry identical across every replacement.
  • Only the insert is consumed; the body and holder last for years.

How to use

  • Seat the insert flat against the holder face and torque the screws evenly.
  • For reversible inserts, flip to the fresh edge before replacing.
  • Match feed rate to material; carbide and PCD hold their edge longest at correct speeds.

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40x12x1.5mm 35° 2-Edge Indexable Carbide Inserts — Application Guide

Reference: Standard indexable carbide insert specifications. Source: manufacturer product data.

Product Overview

These indexable carbide inserts are precision-engineered cutting tips for woodturning and milling tools. Each insert has two cutting edges (2-edge design), allowing you to rotate to a fresh edge when one side becomes dull, effectively doubling the insert lifespan.

Key Specifications

  • Dimensions: 40mm x 12mm x 1.5mm
  • Cutting Angle: 35° diamond geometry
  • Edges per Insert: 2 (indexable, rotate to use both sides)
  • Material: Tungsten carbide for maximum hardness and wear resistance
  • Application: Woodturning lathes, CNC milling, and general woodworking cutting tools

How to Use

  1. Check compatibility — Ensure your tool holder or cutter head accepts 40x12x1.5mm inserts with a 35° angle.
  2. Install the insert — Place the insert into the tool holder pocket with the cutting edge facing the workpiece. Tighten the screw or clamp to secure it.
  3. Align the cutting edge — Position the insert so the 35° cutting edge contacts the wood at the correct angle for your cut type.
  4. Start cutting — Begin with light passes. The carbide edge will produce clean, smooth cuts on both softwood and hardwood.
  5. Rotate when dull — When one cutting edge shows wear, loosen the screw, flip the insert to the second edge, and retighten. This gives you a fresh cutting surface without replacing the insert.

Applications

  • Woodturning on lathes — spindle turning, bowl turning, and detail work
  • CNC milling and routing of wood, MDF, and plywood
  • Shaper and planer cutter heads using indexable inserts
  • Replace worn inserts in existing tool holders without changing the entire tool

Safety Precautions

  • Wear safety glasses at all times when machining.
  • Ensure the insert is fully seated and tightened before starting the machine.
  • Do not use inserts with visible cracks or chips — damaged carbide can shatter under load.
  • Keep hands clear of the cutting zone during operation.

Care and Maintenance

  • Inspect inserts regularly for wear, chips, or cracks.
  • Use both cutting edges before replacing — rotate to the second edge when the first dulls.
  • Store unused inserts in a dry, organized container to prevent damage.
  • Clean the tool holder pocket before installing a new insert for optimal seating.

Content sourced from standard indexable carbide insert specifications and manufacturer data.

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