Precision Balls 5/16" Solid Chrome Steel G25 for Ball Bearing Keychain Wheel 20pcs($2.63Value)

Description

[SIZE] - 5/16" Diameter Grade G25 Precision Balls [MATERIAL] - Made of Chrome Steel(AISI 52100), features with polishing smooth surface, great wear-resistant and high hardness [FEATURES] - Wide range of applications(maintain industrial equipment or use for family DIY projects); Cost-effective(can repair existing products) [APPLICATIONS] - Maintain product that uses steel balls, such as ball bearings, turntable, drawer slides, wheels, door locks; DIY projects like keychain, rolling ball games, etc. [NOTICE] - They are solid balls WITHOUT magnetic but they can be attracted by magnet Descriptions:

• 1. These high precision chrome steel balls are hot forged from bar stock.
• 2. Modern furnaces with precisely controlled atmospheres and temperatures are used for heat treating to assure uniform hardness and proper microstructure for each steel ball.
• 3. Ball hardness is controlled within the 60-63 HRC range as measured on parallel flat surfaces.
• 4. Bearing balls are used for semi-precision bearings, and in commercial applications such as casters, locks, and drawer slides.
• 5. Other applications for steel bearing balls include drawer slides, door locks.
  

• Size: 5/16"
• Precision Grade: G25
• Hardness: 60-63
• Material: High Carbon Chromium Bearing Steel (GCr15)

• 20pcs x Bearing Ball