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 |
|---|---|---|---|---|
| Fullerkreg | 9.81 | ✅ | ✅ | ✅ |
√ Fullerkreg socket products are primarily used in tool and die fixturing applications. These internally wrenched, high-strength fasteners are made from Stainless and have proven durability.
√ GREAT VALUE OF HEX SOCKET HEAD CAP SCREWS,Fullerkreg hex socket head cap screws have different diameter and length.This case is must for 3D DIY-ers.
√ This set is organized in a transparent storage case for quick access and protection
√ High Quality 18-8 Stainless Steel Hex Socket Head Cap Screws Bolts
√ Save some driving around time, gasoline and frustration by simply ordering from us and have it all delivered to your door.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Fullerkreg | 9.81 | ✅ | ✅ | ✅ |
Type: Socket Head Cap screws
Grade:Class 12.9
Material:Alloy Steel
Finish:Black Oxide
Specification: ISO 4762|DIN 912
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Fullerkreg | 9.81 | ✅ | ✅ | ✅ |
(m3 cap head screws)Made from 18-8 stainless steel, these screws have good chemical resistance and may be mildly magnetic. Length is measured from under the head.
(m3X 6mm screws)Metric screws are also known as A2 stainless steel screws.
(Long 6mm bolt)Coarse threads are the industry standard; choose these screws if you don’t know the pitch or threads per inch. Fine threads are closely spaced to prevent loosening from vibration. They are not compatible with coarse threads.
(Long 6mm screw)Screws that meet ISO 21269 and ISO 4762 (formerly DIN 912) comply with specifications for dimensional standards.
Come wiht a plastic box pack.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| MewuDecor Online | 9.86 | ✅ | ✅ | ✅ |
The socket head cap screws are 100% stainless steel 304 (18-8) which offers a high level of chemical and corrosion resistance.
Thread Diameter: 5mm; Pitch Size: 0.8mm; Thread Length: 20mm, 25mm, 30mm, 35mm and 40mm.
Head Diameter: 7.22mm; Head Height: 4mm; Drive Type: Allen Hex Socket 3mm; Color: Silver Tone.
Package Included: M4 x 20mm (10 PCS), 25mm (10 PCS), 30mm (10 PCS), 35mm (10 PCS), 40mm (10 PCS), and all come in a quality plastic storage box.
Socket Head Cap Screws are great to have around for use in wood and wet environments.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| FASTENER DEPOT, LLC | 9.76 | ❌ | ❌ | ❌ |
Thread Diameter 3 mm
Head Diameter 5.5 mm
Head Height 3 mm
Allen Hex Drive Size 2.5 mm
A2-70 stainless, which is a grade 304 stainless steel with a 700 N/mm2 tensile strength. The -70 represents the tensile strength divided by 10. Type 304 Stainless Steel is an austenitic steel possessing a minimum of 18% chromium and 8% nickel, combined with a maximum of 0.08% carbon. The 18% minimum chromium provides excellent corrosion and oxidation resistance.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| H&H Trade | 8.63 | ❌ | ❌ | ❌ |
M2 Hex socket Head cap screws,metric
Kit contains:M2x4 mm,M2x6 mm,M2x8 mm,M2x10 mm,M2x12 mm,M2x16 mm
Package Quantity: 180 piece, Material: SCM435/440 Alloy Steel
Thread Dia. 2 mm, Thread Pitch 0.4 mm,Right Hand, Full Thread.
Comes with a Plastic Organizer Box for Storage
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Fullerkreg | 3 |
| Fastenere | 1 |
| Hh Fasteners | 1 |
| Mewudecor | 1 |
We've carried out a comprehensive analysis of 791 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 $10.59, with top brands including and
Our team of expert editors reviewed these high-quality items and handpicked the top 6 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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