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Steel Ball 3.969 mm - Metallic Stainless 303-304 - 18-8 - A2 - Precision Grade 100 - Polished - MBA (Pack of 500)

Steel Ball 3.969 mm - Metallic Stainless 303-304 - 18-8 - A2 - Precision Grade 100 - Polished - MBA (Pack of 500)

39 packs available now

Regular price $2.40 USD
Regular price $3.95 USD Sale price $2.40 USD
Sale Sold out
Shipping calculated at checkout.
Price does not include taxes or shipping

Only 39 packs may be ordered online. If you need a large quantity, please contact us.

Product Details:

Item is a descriptive link for MBABL00397S4G100

Metallic Steel Ball

Sub Category: Balls - Stainless Steel - 304 Grade


Diameter (D): 3.969mm

Material: 304 Stainless
Precision Grade: Grade 100
Hardness: 25-39 Rockwell C
Properties: Low magnetic permeability. Good corrosion resistance
Colour: Silver
Specific Gravity: 7.916
Standard: ISO 3290

Brand: MBA

Please contact us if you would like a price and delivery for a larger quantity than the available stock.

We offer equivalents to many brands including Anderton, Barden, Berg, Designatronics, EZO, ISC, Koyo, McMaster Carr, Myonic, NMB, Nordex, NSK, Ondrives, Reid Industrial, RMB, SDP-SI, Seeger, SKF, and more.

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Miniature Bearings Australia for all types of small bearings and engineering supplies.


Pick up is available from our Coopers Plains warehouse after your order is ready. Please refer to your ready notification email, and bring it with you to collect your parcel.


We provide equivalents to many brands including Berg - Designatronics - McMaster Carr - Nordex - NSK - Oilite - Ondrives - Reid Industrial - SDP-SI - SKF. The following PDF cross references contain hundreds of thousands of part conversions.


Anderton Circlips

Barden Bearings

Designatronics SDP-SI


Flocast Bronze Bushes

K&S Metals


Miniature Precision Bearings

NSK and NTN Bearings



Reid Supply


Seeger Circlips

Sintered Bronze

Small Parts Inc

Timing Belts & Pulleys

We are proudly part of the MBA Group, whose parent company, Miniature Bearings Australia Pty Ltd are an accredited Australian Trusted Trader. Administered by Home Affairs with the Australian Border Force, Trusted Trader accredits Australian businesses with compliant trade practices and a secure supply chain.