Best Plastic Socket Cap Screws in 2026
Daisy
Last Updated: Feb 6, 2026
Daisy
Last Updated: Feb 6, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| VIGRUE-KING OF SCREW | 9.93 | ✅ | ✅ | ✅ |
Head Type: Button | Size: M3 M4 M5 | Finish: Black Oxide| Material: 10.9 grade alloy steel| Drive Type: Internal Hex| Quantity: 570pcs
Various Head Dia. & Length. Includes M3 M4 M5(head dia.) in length of 6mm/8mm/10mm/12mm/16mm/20mm.
These metric bolts are made from alloy steel heat treated to provide a good balance of hardness and toughness, black oxided increase their corrosion resistance.
These socket head screws are perfect for electrical connections on household and commercial appliances, automotive and marine uses in which the power source has a threaded/bolt-type connection.
Warranty-90 days. Any issue with VIGRUE screws, welcome to contact us at first time.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| VIGRUE-KING OF SCREW | 9.93 | ✅ | ✅ | ✅ |
SIZE: M2 x 4mm/6mm/8mm/12mm/16mm/20mm, M3 x 4mm/8mm/12mm/16mm/20 mm/30mm, M4 x 6mm/10mm/14mm/18mm/20mm/30mm screws with matching nuts and flat washers, a must have to get job done! job.
These metric socket head cap screws bolts nuts are made of 12.9 Grade alloy steel, features superior rust resistance and excellent oxidation resistance.
Come in organized, 1080pcs/18 sizes metric screws bolts. All screws nuts washers are packed in a sturdy convenient case for daily storage.
This screws set is widely used in all kinds of precision machinery, instruments, electronic products, household appliances, communication products, locks, lamps, lights, toys, etc.
GUARANTEE: Any question about VIGRUE screws assortment, please contact by email or Q&A to get problem solved.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| VIGRUE-KING OF SCREW | 9.93 | ✅ | ✅ | ✅ |
High Quality 304 Stainless Steel Hex Socket Head Cap Screws Bolts Nuts Flat Washers Kit. We also provide four free relevant wrenchs in our sets.
Many various sizes of M3 M4 M5 M6 screws (Drive Type: Hex Socket; Head Style: Socket Cap Head) with matching nuts and flat washers meet different people's demands, the necessity of your home life.
Nuts and flat washers expand the contact area and reduce the pressure in order to protect the screws and parts.
Package Quantity: 520PCS. All of screws nuts and washers will be packed in a sturdy convenient case, can be use for a storagebox, is organized to you.
Material: High-quality 304 stainless steel. This kit can be widely used in all kinds of precision machinery industry, classified instruments, instruments, electronic products, household appliances, communication products, locks, lamps, lights, toys, etc.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| VIGRUE-KING OF SCREW | 9.93 | ✅ | ✅ | ✅ |
√ High quality 304 stainless steel hex socket head cap screws bolts nuts flat washers kit. We also provide three free relevant wrenchs in our sets.
√ Nuts and flat washers expand the contact area and reduce the pressure in order to protect the screws and parts.
√ Many various sizes of M3 M4 M5 screws (Drive Type: Hex Socket; Head Style: Button Head)with matching nuts and flat washers meet different people’s demands, the necessity of your home life.Package quantity: 900Pcs.Everything is very organized and decent in a sturdy convenient case, can be use for a storage box, is organized to you, very easy to open and close.
√ Not only is it made from high-quality elements this kit also promotes environmental protection and is guaranteed to be mercury-free and toxic-free generally making it poison-free.
√This kit can be widely used in all kinds of precision machinery, classified instruments, instruments, electronic products, household appliances, communication products, locks, lamps, lights, toys, etc.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| VIGRUE-KING OF SCREW | 9.88 | ✅ | ✅ | ✅ |
Head Type: socket; Thread Diameter: 5mm; Thread Pitch: 0.7mm; Drive Type: internal allen hex; Driver wrench: 3mm; UNC Full Thread
Screw Length 8mm to 30mm: this cap screws kit include sizes M4 x 8/10/12/20/25/30/35/40mm socket head screws bolts with matching washers and nuts.
Quantity: the metric M4 screws kit contains 8 sizes of the most in-demand models alloy steel button head socket screws nuts washers, totally 365pcs
Great Performance: 12.9 grade alloy steel, which features high hardness, good wear resistance, good leak-proof effect, with good fatigue resistance for long time use.
Easy to Get the Exact Sizes: The bolts and nuts come in a portable firm clear box with corresponding sizes label. It is convenient for you to put away and store, which allow you to get the one you need quickly, improving your project efficiently.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| VIGRUE-KING OF SCREW | 9.88 | ✅ | ✅ | ✅ |
M8 Specification : Pitch 1.25 mm. Thread Diameter 8 mm; Length: 20mm/25mm/30mm/35mm/40mm. Drive Wrench: 5mm
M6 Specification : Pitch 1.0 mm. Thread Diameter 6 mm; Length: 16mm/20mm/25mm/30mm/40mm; Drive Wrench: 4mm
Great Performance: 10.9 grade alloy steel, which features high hardness, good wear resistance, good leak-proof effect, with good fatigue resistance for long time use.
Easy to Get the Exact Sizes: The bolts and nuts come in a portable firm clear box with corresponding sizes label. It is convenient for you to put away and store, which allow you to get the one you need quickly, improving your project efficiently.
【Service】--- VIGRUE provide lifetime service for our product quality problem, if you have any question or suggestion, please feel free to contact us. We will do our best to provide you a pleasure shopping experience.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| VIGRUE-KING OF SCREW | 9.93 | ✅ | ✅ | ✅ |
Head Type: Button; Thread Diameter: 5mm; Thread Pitch: 0.8mm; Drive Type: internal allen hex; Driver wrench: 3mm; UNC Full Thread
Screw Length 10mm to 35mm: this cap screws kit include sizes M5 x 10/12/16/25/30/35mm button head screws bolts with matching washers and nuts.
Quantity: the metric M5 screws kit contains 6 sizes of the most in-demand models alloy steel button head socket screws nuts washers, totally 328pcs
Great Performance: 10.9 grade alloy steel, which features high hardness, good wear resistance, good leak-proof effect, with good fatigue resistance for long time use.
Easy to Get the Exact Sizes: The bolts and nuts come in a portable firm clear box with corresponding sizes label. It is convenient for you to put away and store, which allow you to get the one you need quickly, improving your project efficiently.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| VIGRUE-KING OF SCREW | 9.93 | ✅ | ✅ | ✅ |
Head Type: socket; Thread Diameter: 5mm; Thread Pitch: 0.8mm; Drive Type: internal allen hex; Driver wrench: 4mm; UNC Full Thread
Screw Length 8mm to 30mm: this cap screws kit include sizes M5 x 8/10/12/20/25/30mm socket head screws bolts with matching washers and nuts.
Quantity: the metric M5 screws kit contains 6 sizes of the most in-demand models alloy steel button head socket screws nuts washers, totally 328pcs
Great Performance: 12.9 grade alloy steel, which features high hardness, good wear resistance, good leak-proof effect, with good fatigue resistance for long time use.
Easy to Get the Exact Sizes: The bolts and nuts come in a portable firm clear box with corresponding sizes label. It is convenient for you to put away and store, which allow you to get the one you need quickly, improving your project efficiently.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| VIGRUE-KING OF SCREW | 9.93 | ✅ | ✅ | ✅ |
Thread Diameter: 1/4 inch; Thread pitch: 1/20 inch; Thread length: 5/8", 3/4", 1", 1-1/4", 1-1/2", 2".
Drive Type: allen hex socket 3/16 Inch; Color: silver tone.
Convenient Box: 175pcs socket head cap screws nuts washers assortment kit, all of them are packed neatly in durable and sturdy box with clear size map for easy reach the size you need.
Durable Material: 304 stainless steel which offers excellent anti-rust and corrosion resistance property, and standard sae sizes with deep threads, won’t slip out easily
SAE Socket Head Cap Screws Kit are great to have around for use in all kinds of precision machinery industry, classified instruments, instruments, electronic products, printed projects, household appliances, communication products, locks, lamps, lights, toys, etc.
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Vigrue | 9 |
We've carried out a comprehensive analysis of 8,495 reviews on socket cap screws, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select socket cap screws priced around $22.32, with top brands including and
Our team of expert editors reviewed these high-quality items and handpicked the top 9 socket cap screws for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and .
We are dedicated to assisting our users in finding the right screws Products based on their needs, saving them considerable time when choosing which socket cap screws to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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