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Small silver cylindrical cutting tool with rounded tip and fluted shaft

M.A. Ford

M.A. Ford TuffCut DM 156M0400N40A 2-flute ball nose end mill 4.0 mm

SKU CH-5NY3-ZZ2RF

A 4.0 mm 2-flute ball nose end mill with a necked design for deep contour milling

  • Product typeCutting Tools
  • 2-flute ball nose for smooth contour cuts
  • 0 mm diameter suits precision profiling
  • Necked design reaches deep cavities
  • TuffCut DM coating resists wear
  • California Prop 65 warning applies

M.A. Ford TuffCut DM 156M0400N40A

This M.A. Ford TuffCut DM end mill is a precision cutting tool designed for milling operations. It features a 2-flute ball nose geometry with a necked design and a 4.0 mm diameter. The tool is manufactured by M.A. Ford for professional machining applications.

Suited for machinists needing a ball nose profile

This cutter suits operators performing contouring, profiling or 3D surfacing where a ball nose is required. The necked shank provides reach for deeper cavities. Buyers needing a flat end, corner radius or a different flute count should look at alternative tool geometries.

Standard shank fits common collets and holders

Installation follows normal tool-holding practice: secure the shank in a collet, shrink-fit or hydraulic holder rated for the shank diameter. Common issues include excessive run-out from worn collets, insufficient clamping length or incorrect feed and speed parameters causing premature wear or breakage.

How it compares

Measured against everything we stock in Yard Ornaments & Garden Statues, at today’s prices. Recalculated every night.

Price $62.99
Pricier than about 69% of the 1,271 comparable items (median $40.99).

Specifications

Product
Brand nameM.A. FORD
Product typeCutting Tools

Questions about this item

What shank diameter collet or holder do I need for the 4.0 mm shank on this end mill?

Use a 4.0 mm collet or a holder with a 4.0 mm bore to match the shank diameter of the 156M0400N40A.

Can I run this 2-flute ball nose cutter on an older manual milling machine?

Yes, the 156M0400N40A fits any machine that accepts a 4.0 mm shank and can provide the required spindle speed.

How do I verify the 156M0400N40A is cutting correctly after setup?

Check for a smooth finish on the radius, listen for steady cutting sound, and measure the finished profile against the 4.0 mm ball radius.

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