Best Plastic Socket Cap Screws in 2026

The socket head cap screws are 100% stainless steel 304 (A2-70) which offers a high level of chemical and corrosion resistance.

Thread Diameter: 1/4 Inch; Total Length: 2 Inch (Head Included); Thread Count: 20.

Drive Type: Allen Hex Socket 5/32 Inch; Color: Silver Tone.

Flat Head Socket Screws are 100% Stainless Steel 18-8 (304) which offers a high level of chemical and corrosion resistance.

Thread Diameter: 3/8 Inch; Total Length: 1-1/2 Inch (Head Included); Thread Count: 16.

Drive Type: Allen Hex Socket 7/32 Inch; Material: Stainless Steel 18-8; Color: Bright Finish.

The socket head cap screws are 100% stainless steel 304 (A2-70) which offers a high level of chemical and corrosion resistance.

Thread Diameter: 1/4 Inch; Total Length: 1-1/2 Inch (Head Included); Thread Count: 20.

Drive Type: Allen Hex Socket 5/32 Inch; Color: Silver Tone.

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.

(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.

Allen Hex Drive Size: 3/16" (0.187"); Quantity: 25 PCS

Thread Size: 1/4-20 UNC; Thread Pitch: 20 TPI; Thread Coverage: Full Thread

Screw Length: 1-1/4 inch (excluding the height of head); Diameter of the head: 0.375 inch; Height of the Head: 0.250 inch; Standard Meets ASME/ANSI B18.3

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".

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.

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.

✔ Screw Head: Socket Cap, Screw Drive:Hex Socket, Hex Size 3/16"

✔ Head Dia.: 3/8";Head Height: 1/4";Thread Dia. 1/4";Pitch: 20 Threads Per Inch

✔ 5 Sizes: 1/4-20 x 3/8",1/4-20 x 1/2",1/4-20 x 5/8",1/4-20 x 3/4",,1/4-20 x 1"

👍Package Content:6Pcs Shoulder Bolts.Thread Type: UNC.Screw Thread:#10-24.Shoulder Dia:1/4-inch.Shoulder Length:1/2inch.Thread Length:10mm/0.39".

👍Made of Alloy Steel material,strongest and durable.

👍Drive system is a hexagon-shaped hole,socket cap head fasteners are very common in industrial applications.

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.

👍Package Content:6Pcs Shoulder Bolts.Total Size:36mm*11mm/1.42"*0.43" (L*D).Screw Thread:1/4"-20.Shoulder Dia:5/16".Shoulder Length:3/4".Thread Length:11mm/0.43".

👍Made of alloy steel,strongest and durable.

👍Drive system is a hexagon-shaped hole,socket cap head fasteners are very common in industrial applications.

★【What’s Included】 - This set includes ①140pcs M6 connecting bolts and cap nuts + ② 1pcs hex key for quick installation. Besides, we also offer a wide selection of furniture connector bolt lengths at great value.

★【Connecting Bolts】 - Stiff, precise and durable. If you want to replace some stripped and loose hardware for better fixing and connecting, it’s a nice option for your projects. Features with clean thread with no burr, flat head design keeps it stable and tight.

★【Easy Installation】 - Simply drill a appropriately sized hole and insert the two ends of connecting bolts and cap nuts into it. Then, you can secure them in place by the included hex key.

【M6 Furniture Cap Bolt Kit】Includes 141 pcs 14 different sizes Hex Socket Cap Bolts (M6 x 16mm 20mm 25mm 30mm 35mm 40mm 45mm 50mm 55mm 60mm 65mm 70mm 75mm 80mm, each is 5pcs) + 70pcs Barrel Nuts + 1pc Hex Key. With multiple lengths available, you can choose the perfect size to meet different needs. Comes with a durable plastic case with size label for convenient storage.

【Strong and Rustproof Material】The furniture bolts and barrel nuts are made of premium carbon steel material with nickel plated, high hardness, smooth and burr-free. The rust preventative silver nickel finishes ensure their good performance even in wet environment, which also give them a slightly glossy appearance.

【Selected Custom Set】These furniture hardware features standardized metric thread on both the female threaded barrel nuts & the male threaded bolts, clean, accurate and neat. Once installed, they won’t easy to out of shape or slid in the process of rolling.

【M6 Furniture Cap Bolt Kit】Includes 85 pcs 7 different sizes Hex Socket Cap Bolts (M6 x 20mm 30mm 40mm, 50mm 60mm,70mm, 80mm each is 6pcs) + 70pcs Barrel Nuts + 1pc Hex Key. With multiple lengths available, you can choose the perfect size to meet different needs. Comes with a durable plastic case with size label for convenient storage.

【Strong and Rustproof Material】The furniture bolts and barrel nuts are made of premium carbon steel material with nickel plated, high hardness, smooth and burr-free. The rust preventative silver nickel finishes ensure their good performance even in wet environment, which also give them a slightly glossy appearance.

【Selected Custom Set】These furniture hardware features standardized metric thread on both the female threaded barrel nuts & the male threaded bolts, clean, accurate and neat. Once installed, they won’t easy to out of shape or slid in the process of rolling.

[Package contains]: 15 x Grub Screw

"[Product size]: Thread Size：3/8-16 | Thread Type: 16 Coarse Thread (UNC) | Screw Length: 1 inch or 25mm (measured from under the head) | Thread Style: Right Hand | Thread Coverage: Full Thread | Quantity: 15 pcs"

[Fine Workmanship]: Hex Socket Cap design ,can easily be driven by Allen key wrenches,All the grub screws with coarse threads, It exerts compressive force or clamping force through the bottom tip protruding from the hole..Clear and neat threads ,of these screws make it more aesthetic and ensure uniform force. and the fastening effect is better.Standard hexagon for easy installation, so it can greatly save your time even though install by hand.

Made of high quality Alloy Steel Grade 10.9.

Thread Diameter: 1/4 Inch; Total Length: 2 Inch (Head Included); Thread Count: 20.

Drive Type: Allen Hex Socket 5/32 Inch; Color: Black Oxide.

High-Torque Capability

Ideal For Use In Confined Areas Where The Head Needs To Be Flush Or Below The Surface

For Mechanical Applications

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.