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PCD Diamond Spiral Router Bits Z2+2
PCD PRO-tipped Z2+2 spiral router bit for sizing and pre-cutting particle board, MDF, raw chipboard and plastic material in small and medium batches. Right or left hand rotation, resharpenable, length adjusting screw for shank, bottom-cutting for ramp-plunging; feed up to 20 m/min when jointing, 12 m/min when sizing, nmax 28,000 min-1.
PCD Diamond Spiral Router Bits Z2+2 for CNC Woodworking
VPOINT offers PCD Diamond Spiral Router Bits Z2+2 for sizing and pre-cutting on CNC panel lines. The Z2+2 diamond layout performs rough and finish milling in one pass, with bottom-cutting geometry for ramp-plunging. This page brings together the original product information, available size references and the details needed for a tooling enquiry.




Applications and material selection
Typical operation: high-performance sizing and pre-cutting with PCD PRO-tipped cutters — the Z2+2 layout performs rough and finish milling in one pass, with good cutting quality, very good chip disposal and bottom-cutting for ramp-plunging.
Materials listed for this product include particle board and MDF panels, raw chipboard and plastic material, machined in small and medium sized batches, subject to grade and application review. Suitability depends on the specific material grade, panel construction and machining conditions; confirm the application before ordering.

Machine compatibility and configuration
For CNC woodworking machines, CNC machining centres, engraving machines and panel sizing lines. The design is available with right and left hand rotation, is resharpenable, and the length adjusting screw on the shank compensates wear. Feed speed is rated up to 20 m/min when jointing and 12 m/min when sizing, with a maximum spindle speed of 28,000 min-1. Confirm the spindle or collet interface, cutting direction, machine clearance and workpiece setup for the selected tool.

Material Comparison: PCD vs. Tungsten Carbide
The figures below are typical industry data for production woodworking. PCD does not replace carbide in every job — carbide remains the right choice for low-volume general work — but on abrasive sheet goods the difference in cutter life is decisive.
| Property | PCD Diamond (This Cutter) | Tungsten Carbide |
|---|---|---|
| Hardness | 7,000–9,000 HV | 1,500–2,000 HV |
| Tool life on MDF / particleboard / melamine | 15–20× longer (500–1,200 h) | 30–60 h (baseline) |
| Tool life on solid hardwood | 10–13× longer (800–2,000 h) | 80–150 h (baseline) |
| Tool life on abrasive boards (fibre cement / composites) | 10–15× longer | baseline |
| Edge renewal | Limited regrinds — the economics come from 15–20× longer intervals between changes, not regrind count | 4–6 regrinds at shorter intervals |
| Cut finish | Ra ≤ 0.2 μm achievable, stable over the blade life | Ra ~0.8 μm typical, degrades as teeth wear |
| Thermal conductivity | 540–560 W/m·K — heat leaves the tooth tip fast | ~80 W/m·K |
| Friction coefficient | ≈ 0.05 — lower cutting forces and heat | ≈ 0.3 |
| Suited for | Abrasive engineered wood, laminates, composites, fibre cement, non-ferrous metals | General-purpose solid-wood work; the economic choice at lower volumes |
Figures are typical published values; actual blade life depends on the workpiece material, feed rate, depth of cut, machine condition and maintenance schedule.
Available size references
The table below is transcribed from the original product chart. OD denotes cutting diameter, Od the shank diameter, L1 and L2 the length references and L the overall length. Confirm the final drawing and configuration before ordering.

| OD | Od | L1 | L2 | L |
| 16 | 16 | 30 | 55 | 95 |
| 18 | 16 | 35 | 55 | 95 |
| 20 | 25 | 30 | 55 | 100 |
| 20 | 25 | 38 | 55 | 105 |
| 25 | 25 | 35 | 55 | 105 |
| 25 | 25 | 42 | 55 | 115 |
| 25 | 25 | 48 | 55 | 115 |
Custom tooling and quotation
Send the item code or required profile drawing, tool dimensions, workpiece material, machine model, cutting direction and quantity. A reference photo or current-tool drawing helps us review a custom request. Confirm the final specification and availability before ordering.
Each tool is packed in an individual plastic box.
Compare more PCD router bits or send your requirements to VPOINT.
Frequently Asked Questions
What is the PCD Diamond Spiral Router Bits Z2+2 used for?
Sizing and pre-cutting with a Z2+2 diamond layout: rough and finish milling in one pass, with bottom-cutting geometry that allows ramp-plunging.
Which materials does it suit?
Particle board and MDF panels, raw chipboard and plastic material, machined in small and medium sized batches.
How fast can it run?
Feed speed is rated up to 20 m/min when jointing and 12 m/min when sizing, with a maximum spindle speed of 28,000 min-1.
Is it resharpenable, and how is wear compensated?
Yes. The cutter is resharpenable, and the length adjusting screw on the shank is used for length compensation.
Key words: PCD diamond spiral router bit, Z2+2 spiral milling cutter, diamond spiral end mill, CNC panel sizing cutter
