Question 1

How much does a typical carbide end mill weigh?

Accepted Answer

A 12-mm carbide end mill with 75-mm flute length weighs approximately 85–95 grams. A 6-mm end mill of same length weighs about 22–28 grams. The exact weight depends on flute geometry, shank diameter, and overall length.

Question 2

Does cobalt content affect carbide density?

Accepted Answer

Yes. Higher cobalt content (binder) reduces density slightly. Grade K10 (6% cobalt) has density ~15.0 g/cm³, while K30 (12% cobalt) has density ~14.3 g/cm³. The cobalt substitution for tungsten carbide reduces overall weight by approximately 5% across the range of common grades.

Question 3

How do I calculate shipping weight for carbide tool orders?

Accepted Answer

Count the number of inserts and their individual weights (typically 5–15 grams each), add the weight of toolholders (0.2–2.0 kg each), and packaging weight (0.1–0.5 kg). For bulk orders, factor in a 5% overage for packing materials. Carbide is dense but compact — small orders often weigh surprisingly little.
⚡ Calculated for Carbide-Tooling.com High-Performance Series. View Catalog →

Co%	ISO Group	Density (g/cm³)	Application
3	K01-K05	15.4	Finishing
6	K10-K20	15.2	General purpose
10	P25-P40	14.8	Roughing
15	M30-M40	14.5	Heavy impact

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