Best Plastic Socket Cap Screws in 2026

Standard: ISO7380; Thread Type: Full Thread, Coarse Thread UNC

Thread Size: 10mm; Thread Pitch: 1.5mm; Thread Length: 50mm

Package: 10 PCS; Hex Drive Size: 6mm

Made of high quality stainless steel 304.

Head Diameter 9.5mm; Head Height 2.75mm; Allen Hex Drive 3mm.

System of Measurement: Metric; Thread Diameter: 5mm; Thread Pitch: 0.8mm; Screw Length: 8mm.

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.

The button head scoket screws are 100% stainless steel 18-8 (304) which offers a high level of chemical and corrosion resistance. The corrosion proof steel, makes them last much longer than screws made of common materials.

The low profile of the socket button head makes a very clean looking, and offers a much larger contact surface.

Head Diameter : 0.312 Inch; Head Height : 0.087 Inch; Pitch Size : 32 TPI Coarse; Drive Size : 3/32 Inch.

✔ Includes 100 Pcs, 5 Sizes, M4 Hex Socket Button Head Cap Screws: M4 x 20, M4 x 25, M4 x 30, M4 x 35, M4 x 40, Thread Size ( Diameter ): 4 mm, Thread pitch: 0.7 mm, Thread Length from 20 mm to 40 mm

✔ Material of Screws: Stainless Steel 304, High Strength And Anti-corrosion in Various Conditions

✔ Includes 1 Pcs Hex Key , Hex Size: 2.5 mm, to Drive These Screws Conveniently and Easily

The button head socket screws are 100% stainless steel 18-8 (304) which offers a high level of chemical and corrosion resistance. The corrosion proof steel, makes them last much longer than screws made of common materials.

The low profile of the socket button head makes a very clean looking, and offers a much larger contact surface.

MewuDecor screws are great for use with sheet metal and wet environments. They are strong, corrosion proof, and will support all of your project purposes.

High Quality 240pcs Metric M3 Hex Drive Rounded Head Screws and Hex Nuts Assortment Kit.

Screw thread: M3/(3mm) with thread pitch: 0.5mm;Fully Threaded

M3 different length:6MM,8MM,10MM,12MM,14MM,16MM,18MM,20MM,25MM;Length is measured from under the head

The flanged button head socket screws are 100% stainless steel 304 which offers a high level of chemical and corrosion resistance.

The low domed head with a wider bearing surface offer a finished appearance, making them an ideal choice when a neat appearance is desired.

Flange Diameter 13.6mm; Head Height 3.3mm; Thread Diameter 6mm; Thread Pitch: 1mm; Screw Length: 35mm (Head NOT Included).

√ 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.

Material: 304 Stainless Steel, provides strength and offers good corrosion resistance in many environments.

Button Head Hex Socket, Allen Hex Drive

Screw Size: M5 x 10mm; Head Size: 9.5 x 2.5mm; Hex Socket Size: 3mm

Type: Button Head Socket Cap Screws

Grade:Class 10.9

Material:Alloy Steel

✔ Includes 100 Pcs, 5 Sizes, Hex Socket Button Head Cap Screws: M5 x 20, M5 x 25, M5 x 30, M5 x 35, M5 x 40

✔ Includes 100 Pcs M5 Nuts to Meet Different Applications

✔ Material of Screws and Nuts: Stainless Steel 304, High Strength And Anti-corrosion in Various Conditions

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

High Quality Stainless Steel Hex Socket Button Head Bolts Screws Nuts

Drive Type: Hex Socket; Head Style: Button Head

Material: 304 Stainless Steel; Different Size of M5 (Include M5 Nuts)

✔ Alloy Steel Black Oxide (Oil Finish), Button Head Socket Cap Screw

✔ Different Size of M3 M4 M5.

✔ Package Quantity: 500pcs, with Plastic Clear Box.

Made of 100% Grade 10.9 Alloy Steel which offers a high level of chemical and corrosion resistance.

The low profile of the socket button head makes a very clean looking, and offers a much larger contact surface.

Thread Diameter: 3/8"; Head Diameter 0.656"; Head Height 0.199"; Screw Length 3/4"; Thread Count: 16; Allen Hex Drive 7/32".

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

High Quality Stainless Steel Hex Socket Button Head Bolts Screws Nuts

Drive Type: Hex Socket; Head Style: Button Head

Material: 304 Stainless Steel; Different Size of M3 (Include M3 Nuts)

Thread Size: 10-24; Screw Length: 3/4" (1/4" to 3" available) Not including the height of the head

Allen Hex Drive Size: 1/8"; Thread Type: 24 TPI Coarse Thread (UNC);

Head Diameter: 0.36 inch; Head Height: 0.1 inch; (Approximately)

【Dimensions】1/4-20 | Thread Type: 20 TPI Coarse Thread (UNC) | Thread Style: Right Hand | Thread Coverage: Full Thread | Quantity: 50 pcs | Material: 18-8 (304) Stainless Steel.

【Diameter of the Head】0.437 inch | Height of the Head: 0.132 inch | Screw Length: 1 inch or 25mm (measured from under the head)

【Drive Type】Hex Socket; Head Style: Button Head; Exterior Finish: Bright Finish.Histure button head socket cap bolts screws are the highest quality available on the market and we stand by our claim 100%. They are strong, corrosion resistant and will support all of your projects.

This flanged button head socket cap screw is made out of steel with a black zinc finish.

The low domed head with a wider bearing surface offer a finished appearance, making them an ideal choice when a neat appearance is desired.

This bolt comes with a 0.66" diameter flange head and full thread length of 0.687" with a 3/16 allen hex drive. Thread size is 5/16-18.

✔ Includes 225 Pcs, 10 Sizes, M4 Hex Socket Button Head Cap Screws, Thread Pitch 0.7 mm, Thread Size ( Diameter) 4 mm, Head Diameter 7.4 mm, Head Height 2.0 mm, Thread Length From 6 mm to 40 mm : M4 x 6, M4 x 8, M4 x 10, M4 x 12, M4 x 16, M4 x 20, M4 x 25, M4 x 30, M4 x 35, M4 x 40

✔ Strength Grade of Screws: 10.9 Grade, Tensile Strength: 1040 N/mm², Hardness: HRC 32-39; Material of Screws: Alloy Steel, Black Oxide Finish, High Strength And Anti-rust

✔ Includes 225 Pcs M4 Hex Nuts to Meet Different Applications, Material of Nuts: Alloy Steel, Black Oxide Finish

Material: 304 stainless steel

Specification: Metric thread M6

5 types of lengths: 80mm/3.15inch, 70mm/2.75inch, 60mm/2.36inch, 50mm/1.96inch, 40mm/1.57inch.

Thread Diameter 6 mm

Head Diameter 10.50 mm

Head Height 3.30 mm

【What's in the Box】 You will get 40pcs Silver socket, 40pcs silver cap and 40pcs silver snap with 304 stainless steel head screw.

【The Perfect Backup 】 heavy duty snap fasteners can be attached to wood, plastic and fiberglass, also suitable for repairing or replacing broken fasteners boat covers,boat canvas,tents,tarpaulins,sailcloth,sunbrella,RV’s and more,fit for both the indoor or outdoor use.

【Durable & Hig Quality Stout Copper 】and plated silver, not easy to be deformed or faded but long service time

【Sizes】M3 x 8mm/12mm/16mm/20 mm, M4 x 8mm/12mm/16mm/20mm, M5 x 8mm/12mm/16mm/20mm, M6 x 8mm/12mm/16mm/20 mm, screws with matching hex nuts and flat washers, different sizes can meet your different needs.

【Material】304 Stainless Steel, stainless steel material which have good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas. They have superior rust resistance and excellent oxidation resistance, which can ensure long time using.

【Package】810 pieces in total, packed in a durable transparent box with label. It is easy to distinguish the size of the product, when you want to use a certain screw, you don't have to waste time buying it separately, you can choose the suitable one to meet all your needs.

RUGGED AND DURABLE - SG TZH Button Head Socket Cap Bolts Screws made of high-quality 18-8(304)Stainless Steel，which has higher corrosion resistance and anti-rust effect than ordinary bolt, longer service life, not easy to damage, more solid.

Product Size - Thread Diameter: 3/8"; Thread Pitch: 1/16"; Screw Length: 1". Head Diameter: 0.646". Please check specfication by picture 2

WIDE RANGE OF APPLICATIONS - Button Head Socket Cap Bolts Screws can be widely used in the home and office appliance, communication equipments, ship assembly , the mechanical industry and small repairs around shops, garages or home furniture fasteners.

This 1/4 20 flanged button head socket cap screw is made out of steel with a black zinc finish.

The low domed head with a wider bearing surface offer a finished appearance, making them an ideal choice when a neat appearance is desired in home improvement.

These black steel screws come with a 0.56" diameter flange head and full thread length of 0.5" with a 5/32 Allen hex drive. Thread size is 1/4-20.

Thread Diameter 5 mm

Head Diameter 9.50 mm

Head Height 2.75 mm

The button head socket screws are 100% Stainless Steel 18-8 (304) which offers a high level of chemical and corrosion resistance. The corrosion proof steel, makes them last much longer than screws made of common materials.

The low profile of the socket button head makes a very clean looking, and offers a much larger contact surface.

Thread Diameter 0.3125"; Head Diameter 0.547"; Head Height 0.166"; Screw Length 1"; Allen Hex Drive 0.187" (3/16").