Kindroufly M3 Button Head Socket Screw Kit, 562 Pieces, 304 Stainless Steel

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Product guide

Kindroufly M3 Button Head Socket Screw Kit, 562 Pieces, 304 Stainless Steel

Pieces Stainless Steel: Kindroufly’s M3 button head socket screw kit includes screws in seven lengths plus matching nuts and washers. Its labeled storage case and internal-hex drive suit small repairs and projects, but the hex wrench is not included and customer feedback is mixed on nut size.

At a glance

Seven M3 screw lengths from 4 to 20 mm, paired with hex nuts, flat washers and spring lock washers.
The listing specifies a 304 stainless steel construction and passivated finish.
A transparent case with 10 labeled compartments is described for sorting and carrying the parts.
Internal hex drive is intended for installation where side clearance is limited.

Price

$4.49Save 50%

Reference price: ~~$8.98~~

Price checked: Nov 12, 2026

View offer Ahead of Black FridayExplore the selection

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Pros and cons

Pros

A broad range of seven lengths can cover varied small fastening jobs without mixing thread sizes.
The stated kit includes matching nuts and two washer types, alongside the screws.
The labeled compartment case can make it easier to identify and store the assortment.

Cons

An hex wrench is required for the internal drive, and the listing says it is not included.

Technical specifications

10 specifications

Identity
Brand	Kindroufly
Model	Kindroufly-Screw-Kit

Fastener details
Material listed	Stainless Steel 304
Thread size	M3-0.5
Screw lengths	M3 x 4 /6 /8 /10 /12 /16 /20mm
Drive type	Internal Hex
Screw head style	Button
Finish	Passivated
Color	Silver
Piece count	562

What to know before buying

Listing details to confirm

The listing describes 562 total pieces, but its package breakdown adds up to 563: 140 screws, 140 nuts, 141 flat washers, 141 spring lock washers and one case. Confirm the selected listing's quantities. Customer feedback also differs on whether the nuts are an appropriate size, so check dimensions for the intended assembly. Keep the small parts away from children under 6 years.

Who is it for?

A good fit for

DIYers and repairers needing small M3 button-head fasteners in several lengths for 3D printers, computers, instruments, appliances, lamps, cabinets or bicycle repair.
Buyers who already have an appropriately sized hex wrench and want nuts and washers stored with the screws.

Less suited to

Projects requiring a different thread diameter or screw-head style.
Buyers who need an included hex wrench or require a confirmed exact count of each component.

Kindroufly M3 Button Head Socket Screw Kit, 562 Pieces, 304 Stainless Steel · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 157 ratings

5 stars75%75%
4 stars17%17%
3 stars2%2%
2 stars3%3%
1 star3%3%

Customer feedback highlights perceived good quality and a useful assortment, while nut size draws mixed reactions, with some finding the nuts suitable and others describing them as very small. For buyers choosing among the listed M3 sizes, that makes checking nut dimensions especially relevant. These are reported impressions, not a confirmation of the listing's material or component counts.

Positive themes

Customers mention good quality and appreciate the assortment.

Mixed feedback

Feedback on nut size is mixed. Some customers find the nuts suitable, while others say they are very small.

Frequently asked questions

What fasteners are listed in this kit?

The description lists M3 button head socket cap screws in 4, 6, 8, 10, 12, 16 and 20 mm lengths, plus hex nuts, flat washers and spring lock washers.

Does the kit include a hex wrench?

No. The listing says the internal hex drive requires a hex wrench and that the wrench is not included.

How many pieces are included?

The title and details state 562 pieces, but the component quantities in the package description total 563 including the case. Confirm the count with the selected listing.

Are the nuts suitable for any M3 project?

Customer feedback is mixed on nut size. Check the dimensions against your application before buying.