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8mm steel ball weight

Tight-Tolerance Hard Wear-Resistant 52100 Alloy Steel Balls. Yield Strength: 295, 000psi. Hardness: Rockwell C60 (Very Hard) Specifications Met: ASTM A295. The diameter on these balls is held to a precise tolerance. Also known as chrome steel, 52100 is an extremely hard and wear-resistant material

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