SpeTool 20-Piece CNC Bit Starter Kit (1/4" Shank)
Set Starter Set

SpeTool 20-Piece CNC Bit Starter Kit (1/4" Shank)

SpeTool

$39.99

Overview

SpeTool's 20-piece starter kit is the most popular bit set in the hobby CNC community. It includes upcut spirals, downcut spirals, ball nose bits, V-bits, and flat end mills in various sizes - all with 1/4-inch shanks. This single purchase covers 90% of what a hobbyist needs for wood and plastic cutting. An outstanding value that regularly tops recommendation lists.

Best for

Comprehensive starter set for 1/4" shank CNC machines covering most common operations.

Specifications

Shank Diameter

1/4"

Cutting Diameter

various

Flute Count

2

Material

Solid Carbide

Coating

Uncoated

Type

Starter Set

Material Compatibility

Wood Plywood MDF Acrylic PVC Hardwood

Not rated for aluminum. Use a ZrN or DLC coated single-flute end mill for aluminum cutting.

Pros

  • Covers most common bit types and sizes
  • Outstanding value for 20 carbide bits
  • Most recommended starter set in CNC forums
  • 1/4" shank fits most hobby machines

Cons

  • Individual bits not as sharp as premium singles
  • No aluminum-rated bits included
  • Some sizes may not be useful for your projects
  • Storage case quality is basic