The material used in making Metric Ratchet Box Spanner

Metric ratchet box spanners are typically made from high-strength alloy steels, with the most common materials being:

1. Chrome Vanadium Steel (Cr-V)

Most common material used in quality hand tools.

Offers a good balance of strength, toughness, and resistance to wear.

Corrosion-resistant due to chromium content.

Often chrome-plated for additional protection and a polished finish.

2. Chrome Molybdenum Steel (Cr-Mo)

Used in heavy-duty or impact-rated versions.

Stronger and more durable than Cr-V, especially under high torque loads.

Also often heat-treated for added strength.

3. Carbon Steel

Used in cheaper or low-end tools.

Less durable and prone to corrosion if not treated or coated.

May be coated with black oxide or other finishes for rust protection.

Surface Finishes

Chrome-plated (for corrosion resistance and ease of cleaning).

Black oxide (common in industrial tools to reduce glare and provide mild corrosion resistance).

Powder-coated or painted in some cases.

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