Round bar diameter 40X4 teeth XR20-1/2 shank

Product Series 1: 4-Flute Round Rod Router Bits
Description: Carbide-tipped radius cutters for creating perfect half-round profiles
Available Sizes:

6mm: 4 flutes × R3 radius (1/4″ shank)

8mm: 4 flutes × R4 radius (1/4″ shank)

10mm: 4 flutes × R5 radius (1/2″ shank)

15mm: 4 flutes × R7.5 radius (1/2″ shank)

20mm: 4 flutes × R10 radius (1/2″ shank)

25mm: 4 flutes × R12.5 radius (1/2″ shank)

28mm: 4 flutes × R14 radius (1/2″ shank)

30mm: 4 flutes × R15 radius (1/2″ shank)

32mm: 4 flutes × R16 radius (1/2″ shank)

33mm: 4 flutes × R16.5 radius (1/2″ shank)

35mm: 4 flutes × R17.5 radius (1/2″ shank)

40mm: 4 flutes × R20 radius (1/2″ shank)

45mm: 4 flutes × R22.5 radius (1/2″ shank)

50mm: 4 flutes × R25 radius (1/2″ shank)

55mm: 4 flutes × R27.5 radius (1/2″ shank)

60mm: 4 flutes × R30 radius (1/2″ shank)

Product Series 2: 4-Flute Tenon Cutting Bits
Description: Precision dovetail & mortise joint cutters
Available Sizes:

20mm Cutter: 6.4mm tenon depth (1/2″ shank)

25mm Cutter: 6.4mm tenon depth (1/2″ shank)

30mm Cutter: 8mm tenon depth (1/2″ shank)

35mm Cutter: 10mm tenon depth (1/2″ shank)

40mm Cutter: 10mm tenon depth (1/2″ shank)

Key Technical Features
✔️ Ultra-Precise Cutting:

±0.02mm tolerance for CNC/handheld router compatibility

Mathematically calibrated R-shape profiles

✔️ Durable Construction:

Tungsten carbide tips (HRC90 hardness)

Anti-corrosion nickel-plated bodies

✔️ User-Friendly Design:

Laser-etched size markings

Universal 1/4″ & 1/2″ shank options

Ordering Options
Single Bit: Choose specific size/model

Pro Kit: Includes 6 most popular sizes + storage case

Full Set: All 21 sizes (Round Rod + Tenon Bits)