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Cutting Tool Guides

Short, practical guides for carbide insert codes, end mill selection, coatings, quotations and OEM supply.

CNMG vs WNMG: which insert is better for roughing steel?

CNMG vs WNMG: which insert is better for roughing steel?

For roughing steel, CNMG is usually the safer first choice when the setup needs a strong edge and stable clamping. WNMG can be efficient when you...

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How should I choose carbide end mills for stainless steel?

How should I choose carbide end mills for stainless steel?

Start with a sharp edge, suitable coating, enough chip space and conservative feed. Stainless steel work-hardens easily, so rubbing is usually wo...

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What should I send for a fast carbide tool quotation?

What should I send for a fast carbide tool quotation?

Send the tool code, quantity, workpiece material and current cutting problem first. A clear model list is better than a long message with no size...

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Why do carbide inserts chip when turning stainless steel?

Why do carbide inserts chip when turning stainless steel?

Most chipping problems come from an edge that is too weak, unstable clamping, too much vibration, or cutting parameters that make the insert rub ...

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TiAlN vs AlTiN vs TiN: which coating should I choose for carbide drills?

TiAlN vs AlTiN vs TiN: which coating should I choose for carbide drills?

For steel and stainless drilling, TiAlN or AlTiN is usually a better starting point than TiN when heat is high. TiN is still useful for general w...

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How can I buy replacement carbide inserts by ISO code?

How can I buy replacement carbide inserts by ISO code?

Use the ISO code as the starting point, then confirm chipbreaker, grade, coating and application. The same code can still cut very differently wi...

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APKT vs APMT: which milling insert should I quote?

APKT vs APMT: which milling insert should I quote?

Quote by the exact insert code and cutter body whenever possible. APKT and APMT can look similar in search terms, but seating, screw and geometry...

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PVD vs CVD coating for carbide inserts: what is the practical difference?

PVD vs CVD coating for carbide inserts: what is the practical difference?

PVD is often preferred for sharper edges and stainless finishing. CVD is often used for steel and cast iron when heat resistance and wear resista...

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