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Ten new 4 by 22 mm DLC coated carbide end mills with up and down cut flutes

YINGHUA

YINGHUA 10Pcs 4X22mm DLC UP DOWN Cut Carbide End Mill Cutters

SKU CH-WEGB-EXEK4

A set of 10 tungsten-steel compression cutters with up-and-down flutes for clean CNC routing of wood and board

  • Product typeRight-Angle Drills
  • 10-piece set provides multiple cutters for continuous CNC work
  • 4 mm shank with 22 mm cutting length suits standard router collets
  • DLC coating reduces friction and extends tool life in abrasive wood composites
  • Up-cut and down-cut geometry compresses fibres for clean top and bottom edges
  • Two-flute carbide design ejects chips efficiently while cutting plywood, MDF and solid wood

10-piece DLC compression end-mill set

This set contains ten 4×22 mm tungsten-steel cutters with a two-flute up-and-down spiral geometry. The DLC coating reduces friction and extends edge life when routing abrasive sheet goods. They are intended for CNC routers that accept 4 mm shank tooling.

Replacing worn compression cutters

Swap these in when existing compression bits leave fuzzy edges on double-sided laminate or when feed rates must be lowered to prevent tear-out. The up-and-down flute design shears both faces simultaneously, so the upgrade is worthwhile whenever top and bottom surface quality matter equally.

Straightforward collet installation

Insert each 4 mm shank into a matching ER collet or shrink-fit holder and torque to the holder manufacturer’s specification. The main risk is running the wrong spindle speed for the material thickness, which can overheat the coating or snap the carbide.

How it compares

Measured against everything we stock in Power Drills, Drivers & Cutting Bits, at today’s prices. Recalculated every night.

Price $157.99
Pricier than about 72% of the 2,412 comparable items (median $81.99).

Specifications

Product
Product typeRight-Angle Drills

Questions about this item

What shank diameter does the 4X22mm carbide end mill require in the CNC router collet?

The cutter has a 4 mm shank, so the collet or tool holder must accept a 4 mm diameter.

How should the two-flute up-down spiral cutter be oriented when loading it into the machine?

Install the tool with the flutes facing the cutting direction; the up-down geometry compresses material on both faces, so reversing it will tear the top or bottom surface.

When do the tungsten-steel cutters typically need replacement during wood and panel routing?

Replace them when edge quality drops on plywood, density board or solid wood, or after the DLC coating shows visible wear on the 22 mm cutting length.

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