新作モデル Amazon.co.jp: 304ステンレス鋼精密ベアリング鋼球固体小さな鋼 金属・合金

• This steel ball is a mechanical steel ball with good roundness, high hardness, smooth surface and small dimensional error. Feel free to choose!
• High-quality surface silver-white luster 10 years and 20 years as new
• Durable and non-deformable steel ball is not easy to be hot, durable and cost-effective
• Solid carbon steel is beautiful and durable hard material, more durable
• Made of high-quality bearing steel, once again interpreting high-quality fine craftsmanship

Commodity number: 70857796145
Product gross weight: 100.00g
Item: 304 stainless steel high precision bearing steel ball
Mechanical hardware: bearings
High hardness Hardness is 2 times higher than copper and 10 times higher than aluminum
High-quality surface silver-white luster 10 years and 20 years as new
Corrosion resistant nickel and chromium elements combined with acid and alkali resistance
No rust, excellent oxidation resistance, no rust in humid environment