Is it possible to learn the weights for the 10mm, 8mm, 7mm & 6.5mm? It's for a science fair project, thank you!

Ok,1pc 6.5mm is 1.15g,7mm is 143g,8mm is 2.12g,10mm is 4.2g ,anual measurement, with 1-3mg error

Will these balls rust in water?

They are attracted to a magnet which means they probably rust.

What grade are these bearings?

45 CrV, the quality is good for tools wrenches, screwdrivers NOT FOR BEARINGS

what grade (size tolerance) are these bearing balls ?

Grade:G16 Tolerance:4 thousandths

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⚙️ Elevate your ride and projects with precision-packed power!

BUILT TO LAST - Crafted from corrosion-resistant, high-hardness chrome steel to withstand heavy use without cracking.
COMPACT LIGHTWEIGHT - At just 290g and a sleek 13x7 cm box, it’s easy to store and transport—always ready when you are.
VERSATILE APPLICATIONS - Perfect for bicycles, casters, drawer slides, door locks, and precision mechanical needs.
PRECISION IN EVERY SIZE - 600 chrome steel balls across 6 exact sizes for flawless fit and function.
ORGANIZED FOR EFFICIENCY - Each size neatly packed and labeled in a durable plastic box—ready for your next project.

The Breezliy 600 Piece Assorted Bicycle Bearing Balls set offers six sizes of high-hardness chrome steel balls, each size individually packaged in a labeled plastic box. Designed for durability and corrosion resistance, these 600 precision balls are ideal for bicycle bearings, casters, drawer slides, and other mechanical applications, combining professional-grade quality with organized convenience.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

€ 76.35

Duties & taxes incl.

Greecestore

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TrustScore 4.5 | 7,300+ reviews

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Great experience from order to delivery. Highly recommended!

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Manufacturer	Breezliy
Part number	600PCS 6 Sizes chrome steel Ball
Item Weight	290 g
Product Dimensions	13.21 x 7.11 x 2.49 cm; 290 g
Item model number	600PCS 6 Sizes chrome steel Ball
Size	600PCS 6 Sizes chrome steel Ball
Material	Alloy Steel
Item Package Quantity	1
Batteries Required?	No

Breezliy 600 Piece 6 Sizes Assorted Loose Bicycle Bearing Balls 1/4" 7/32" 3/16" 5/32" 1/8" and 3/32"

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