Best Socket Cap Machine 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: 6mm; Thread Length: 25mm; Total Length: 31mm; Pitch Size: 1.0mm.

Head Diameter: 10mm; Head Height: 6mm; Drive Type: Allen Hex Socket 5mm; Color: Silver Tone.

√ 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

Provides a Strong Machine Thread In Soft Woods

Ideal For Use in Pine, Plywood, Composition Board, and MDF

Designed For Use In Applications Such As Ready-To-Assemble Furniture, Drawer Pulls, Display Case, and Shipping Crates

Standard Metric: Our M2 M3 M4 M5 screws and nuts accord with standardized metric system. And the average error is less than 0.01mm.

High Quality: The kit is made of high quality 304 stainless steel, which features is strength and offers good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas.

Broad Application:M2 M3 M4 M5 Hex Socket Head Screws Washers and Nuts Assortment Kit Serves a wide range of use and for professionals, amateurs, landlords, repairmen, other DIY .

Provides a Strong Machine Thread In Soft Woods

Ideal For Use in Pine, Plywood, Composition Board, and MDF

Designed For Use In Applications Such As Ready-To-Assemble Furniture, Drawer Pulls, Display Case, and Shipping Crates

Hardness of 10.9, very durable hardness, not easy to damage

The surface is plated with anti-rust coating to prevent rust damage.

It is very common for household items to be fixed in by this size

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

【Sizes】M2 x 8mm/12mm/16mm/20mm, M3 x 8mm/12mm/16mm/20mm, M4 x 8mm/12mm/16mm/20mm, M5 x 8mm/12mm/16mm/20mm 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】1280 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.

High Quality 220PCS #4-40 UNC 304 Stainless Steel Phillips Flat Head Machine Screws and Hex Nuts Assortment Kit

Thread Diameter: #4; Thread Pitch: 40 Per Inch(Coarse); Screws have a standard 82°bevel under the head

The assortment contains:#4-40x3/16",#4-40x1/4",#4-40x5/16",#4-40x3/8",#4-40x1/2",#4-40x5/8",#4-40x3/4",#4-40x7/8",#4-40x1"(Length is measured from the top of the head),Each 20 piece,and Hex Nut 40 piece

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

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)

Made of 12.9-grade carbon steel, the highest metric class for strength. 12.9 screw bolt is one of the highest grades of bolts produced. The surface is plated with black zinc which provides longer service life. They are built with hex heads.

The screw assortment set included hex socket screw bolts and nuts. Nuts and bolts are the most important companions to hold our mechanical devices together. The screws set has 140Pcs M3 screw bolts, 140Pcs screw nuts and 2Pcs hex keys. The bolts sizes is 4mm/ 5mm / 6mm/ 8mm/ 10mm/ 12mm/ 16mm/ 18mm/ 20mm.

It has a wide range of uses due to its versatility, raised dome head, and durability. Ranging from manufacturing applications to household repair. Such as plumbing works, industrial machinery, construction, automotive, marine, bicycle, 3D printer components and DIY projects, etc. Great for workers, repairmen and DIY hobbyists.

【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.

【SIZE】- Model: M4x6mm; Screw Length: 6mm/ 0.24"; Pitch: 0.7mm/ 0.03"; Screw Head Diameter: 7.6mm/ 0.3"; Screw Head Thickness: 2.2mm/ 0.09"; Inner Hex Diameter: 2.58mm/ 0.1"

【ADVANTAGE】- Round head machine screws, hex socket drive. Metric machine screws for universal use

【MATERIAL】- Inner Hex Socket Round Head Screws are made of carbon steel, strong rust and corrosion resistant for a long time use

PRACTICAL MULTIPLE SIZES：Self tapping screws for metal contain # 8 x 1/2 '', # 8 x 3/4 '', # 8 x 1 '', # 10 x 1/2 '', # 10 x 3/4 '', # 10 x 1 '', 12 x 3-4 '', # 12 x 1-1/2 '', # 12 x 2 '', totally 9 practical sizes. ALl sizes of Self tapping Screws are carefully selected to meet your different need. This screws assortment is consist of 400 pieces Tek Self Tapping Screw of different types, like #8, #10, #12 and three useful length.

DURABLE STORAGE BOX： All these self drilling screws are carfully kept and classified in one transparent, durable, solid and high quality tool box.This wood screws assortment kit is clearly attached the corresponding dimension table to facilitate the identification of metal screws with corresponding dimensions and put them back.

HIGH QUALITY WORKMANSHIP：This Wall plate screws adopt high-precision cutting technology, and the thread is very sharp, firm, clear, and would not be easily peeled off by the screwdriver. These Hex Head Self Drilling Screws profile provide a direct driving mode, which can easily penetrate wood and plastic without pre-drilling. Then small screws is not easy to deform and slide in use.

√【Kindroufly Combination】: M2 x 6/8/10/12/16/20 mm, M3 x 6/10/12/16/20/30 mm, M4 x 6/10/12/16/20/30 mm, Phillips Pan Head Screws with matching hex nuts and flat washers, total 1504 pieces, different sizes and enough quantities can meet your different daily needs.

√【High Quality Stainless Steel】: Kindroufly screws kit are made of 304 stainless steel, which have smooth surface, high strength, not easy to deform, corrosion resistance and rust resistance, can ensure a long time using in bad environment like high temperature, cold weather, and high humidity areas.

√【Phillips Pan Head Machine Screws Kit Function】: Kindroufly Phillips Pan Head Machine Screws are precision threaded fasteners with a cross recessed slot. They have slightly rounded heads with short vertical sides. They are typically used with nuts or drilled and tapped threaded holes.

Fasteners

Country of manufacture: United States

Manufacturer: Malco

Thread Diameter 3 mm

Head Diameter 5.5 mm

Head Height 3 mm

[1]: APPLY TO - Hexagon socket countersunk head screws are suitable for indoor and outdoor use and are commonly used in mechanical maintenance, furniture assembly maintenance, and DIY.

[2]: SPECIFICATION - Model: M8x80mm; Screw Overall Length: 80mm(L) /3.15"; Inner Hex Dia.:5mm(D)/0.2"; Pitch: 1.25mm / 0.049"; Screw Head Dia: 16mm / 0.63"

[3]: DESIGN - Hexagon socket is a countersunk head screw that has the advantages of fastening, easy disassembly, and not easy to slip Angle. Inner hexagon screw is to sink the whole nut to the inner surface of the workpiece, can keep the workpiece surface smooth and beautiful. It is also suitable for many transfer situations, such as narrow situations will also be used. So assembly and maintenance are very convenient, debugging is also simple, easy to operate.

✈ Material: Metal + Plastic

✈ Hex Head Diameter: 32mm / 1.26"; Male Thread Length: 30mm /1.18"

✈ Male Thread Diameter: M6

Color: Clear

Type: M4

Material: Plastic

Premium Material: Our assorted flat countersunk head screws bolts and nuts are made of premium stainless steel material, which has high strength and good corrosion resistance in many environments, solid and durable for long-term use.

Easy to Use: The force is evenly distributed and located in the center of the head, no offset, not easy to slip, uniform thread pitch, obvious thread, no residual burrs, tight thread has good grip.

Easy to Store: All hex head nuts and bolts are packed in a sturdy divided plastic box, various lengths, a completely diverse assortment, organized and easy to open and search, convenient and portable.

Socket cap machine screws are precision fasteners that are known for their quality and durability. They are designed to meet challenging fastening applications in a variety of industries such as construction, automotive, and product manufacturing. They are also known for their efficient application performance and endurance.

Button is low domed style head with a wide bearing surface that is perfect for use on applications in tight spaces.

Hex socket screw drive has a hexagonal recess and may be driven by a hex key or Allen wrench that allows for high torque wrenching in tight spaces.

Flanged hex head bolts provide a larger bearing surface compared to standard hex head bolts, reducing the likelihood of bolt pull-through.

The plain finish gives the bolts a sleek, professional appearance and makes them compatible with a wide range of materials.

IMScrews M6-1.0 Flanged Hex Head Bolts are manufactured to strict quality standards to ensure consistent, reliable performance.