what size fits a 1/2" shaft on a toy wagon?

Maximum diameter in that set is 7/16". Nothing in that set will fit a 1/2" shaft.

Does this case include something similar to a lock washer that would fit a 5/8 inch axle rod?

Not 5/8 “,probably more like 1/2 “

Are these rust proof?

Not sure made with carbon steel they look like they have a coating on them to prevent rusting ...

Would M6 be too tight for 1/4" ?

M6 is 6mm ; 1/4 is 6.35mm, I consider it an appropriate tolerance to use it as described

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Glarks 280Pcs Internal Tooth Starlock Push On Locking Washers Speed Clips Fasteners Assortment Kit

Glarks 280Pcs Internal Tooth Starlock Push On Locking Washers Speed Clips Fasteners Assortment Kit

Product ID: 415616382

Details

Exterior Finish
Alloy Steel
Fastener Size
M3 M4 M5 M6 M8
Material
Medium Carbon
Outside Diameter
12 Millimetres
Washer Type
Internal Tooth

🔩7 metric sizes M3-M12

⚙️280pcs versatile kit

🛡️65Mn steel durable strength

€ 44.47

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Description

🔧 Lock it down with precision and power – never settle for less!

COMPREHENSIVE 280 PIECE ASSORTMENT - Covers 7 essential metric sizes (M3 to M12) in one transparent, organized box.
PRECISION ENGINEERED STARLOCK DESIGN - Ensures maximum grip and anti-rotation performance for your fasteners.
GLOSSY FINISH FOR PROFESSIONAL APPEAL - Not just functional—adds a sleek, polished look to your hardware setup.
PREMIUM 65 MN ALLOY STEEL CONSTRUCTION - Delivers exceptional hardness and long-lasting durability under industrial conditions.
ENHANCED SHOCK ABSORPTION INSULATION - Ideal for machinery and equipment needing reliable vibration resistance.

The Glarks 280Pcs Internal Tooth Starlock Push On Locking Washers Kit offers a high-precision, durable solution for industrial fastening needs. Made from premium 65Mn alloy steel, this comprehensive assortment includes seven metric sizes (M3 to M12) totaling 280 pieces, all housed in a transparent organizer. Designed to provide superior friction and resistance to rotation, these starlock washers excel in shock absorption and insulation for machinery and equipment, making them a must-have for professionals demanding reliability and performance.

Specifications

Asin	B076D3FZM4
Best Sellers Rank	#201,906 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #277 in Hardware Washers
Brand	Glarks
Colour	Black
Compatible Groove Diameter	12 Millimeters
Customer Reviews	4.5 4.5 out of 5 stars (818) 4.5 out of 5 stars
Exterior Finish	Alloy Steel
Fastener Size	M3 M4 M5 M6 M8 M10 M12
Fastener Type	Locking
Finish Types	Glossy
Global Trade Identification Number	00709886212018
Grade Rating	metal steel
Item Weight	0.19 Kilograms
Manufacturer	Glarks
Material Type	metal steel
Metal Type	Alloy Steel
Model	GLALW-2
Number Of Items	280
Number Of Pieces	280
Outside Diameter	12 Millimetres
Part Number	GLALW-2
Screw Head Style	Starlock
Set Name	M3, M4, M5, M6, M8, M10, M12
Size Name	3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm
Thread Size	M3, M4, M5, M6, M8, M10, M12
Unit Count	1.0 Count
Upc	709886212018
Washer Application	machinery equipment
Washer Compatibility	metric bolts
Washer Type	Internal Tooth Lock

Reviews

User

Quality product

Good quality

24.10.2025

User

Rondelles autoblocantes

Conforme à la commande ras

19.07.2026

User

These work when you need them. They will hold strong.

I can't account for what people do, or don't do, or know or don't know when it comes to hardware. All I can say is that I have used some of these on a critical project, holding virtually irreplaceable parts, and I trust them completely. Did I do a strength test first? Yes!!!!

9.11.2024

User

Excelente producto

Excelente producto era lo que esperaba y necesitaba, Saludos

5.04.2025

User

Star washers

Great product.

15.06.2026

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€ 44.47

Duties & taxes included

In stock

Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Austria.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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