Top 9 Machine Screws 1/4-20 – Socket Head Screws

As an Amazon Associate I earn from qualifying purchases.



Alloy Steel, Black Oxide,Length: 1 inch, 1/4-20 x 1 Inches Allen Socket Drive, Quantity 20 by Xujia, Machine Full Thread, Button Head Socket Cap Screws

MIUPOO #ad - Head height 0132". Xujia brand alloy steel fasteners are backed by Fasteners's Industry leading customer service and Guaranteed Satisfaction. Allen hex drive Size 5/32". Thread diameter 0250". Head diameter 0437". These fasteners offer a high level of strength and will outperform other fasteners for years to come.
BrandMIUPOO #ad
ManufacturerXujia #ad
Height0.35 Inches
Length1 Inches
Weight0.02 Pounds
Width0.35 Inches



VIGRUE 305Pcs 1/4-20 Button Head Socket Cap Screw Bolts Nuts Washers Assortment Kit Black Oxide Class 12.9 Alloy Steel, Length 3/8" to 1-1/2" Full Coarse Thread

VIGRUE #ad - Money back or exchange. Head type: button; thread size: 1/4-20; head dia. 0437"; head height: 0132"; drive type: hex; driver Size: 5/32". What you get: 305pcs/7 most commonly used sizes 12. 9 alloy steel 1/4-20 black bolts nuts washers. Customer support: any issue of this 1/4-20 screw kit, pls contact us by email or Q&A. Satisfaction guaranteed. Screw size: 1/4-20x3/8", 1/4-20x1", 1/4-20x5/8", 1/4-20x1-1/4", 1/4-20x3/4", 1/4-20x1/2", 1/4-20x1-1/2" Button Head Screws/Bolts pair with washers and nuts.
BrandVIGRUE #ad
ManufacturerVIGRUE #ad
Part NumberHSMZBY-305-387



304 Stainless Steel 18-8 SS, 1/4-20 x 2" Flat Countersunk Head Socket Cap Screws, 25 PCS, Full Machine Thread Coverage, Allen Hex Drive

EASTLO #ad - Countersunk 82+-2 degree; thread size: 1/4-20; thread pitch: 20 tpI Coarse Thread UNC; Outside Diameter of the Head: approximately 048-0531 inch.

Package: 25 pcs 1/4-20 x 2" flat head Socket Cap Screws Specification described in the pictures. Made of 304 stainless steel no coating outside, provides good strength and corrosion resistance in bad environments. Screw length: 2 inch or 508mm including the height of the flat head; Please pay attention the thread length is the total screw length minus the head height. Ideal for use in confined areas where the head needs to be flush or below the surface.
BrandEASTLO #ad
ManufacturerEASTLO #ad
Weight264 Grams
Part NumberAB400108-25

4. Bolt Dropper


Coarse Thread, 1/4"-20 x 1-1/2" Stainless Phillips Truss Head Machine Screw 25 Pack, 18-8 304 Stainless Steel by Bolt Dropper

Bolt Dropper #ad - Great to keep aroundbolt dropper stainless hardware is great to have around for use in wood and wet environments. Bolt dropper hardware is the highest quality available on the market and we stand by our claim 100%.

Screws that you can depend onour truss head machine Screws are very strong and are great for both indoor and outdoor use. Lifetime guaranteewe are so confident that our stainless steel machine screw products are the best on the market that we offer a No Hassle Lifetime Guarantee. This stainless is superior to regular steel and provides excellent rust resistance. Dimensionsdiameter: 1/4" | length: 1-1/2" | threads per inch: 20 | thread type: coarse standard | Head: Truss | Drive: Phillips #2 | Quantity: 25 pcs | Material: 18-8 304 Stainless Steel.

High quality stainlessthese truss head screws are made of 18-8 304 Stainless Steel which is one of the highest forms of corrosion resistant metals, making it last longer than other hardware on the market today. They are strong, corrosion-resistant, and will support all of your projects.
BrandBolt Dropper #ad
ManufacturerBolt Dropper #ad
Part Number1/4-20 X 1-1/2" Stainless Phillips Tr

5. Small Parts


Meets ASME B18.6.3, Steel Pan Head Machine Screw, 1/4"-20 Thread Size, Fully Threaded, Import Pack of 100, 3/4" Length, #3 Phillips Drive, Black Oxide Finish

Small Parts #ad - The package height is 5. 588 centimeters. The package width is 8. 382 centimeters. Package weight : 1 pounds. The package length is 7. 111 centimeters.
BrandSmall Parts #ad
ManufacturerSmall Parts #ad
Height0 Inches
Length0.75 Inches
Weight1.01 Pounds
Width0 Inches
Part NumberB00F354J2M



Flat Head, 1/4 inch-20 X 1-1/2 inch, 50-pack , Grade 18-8 Stainless Steel, Phillips Drive, Prime-Line 9001954 Machine Screws, Zinc

PRIME-LINE #ad - Flat head, Phillips Drive. Nuts and washers not included. Thread type: coarse, thread Class: UNC-2A, Point Style: Blunt. Size: 1/4 inch-20 x 1-1/2 inch. Use with nuts or pre-threaded holes of the same diameter and thread size. Often used in machinery and appliances.
ManufacturerPrime-Line #ad
Height2 Inches
Length4 Inches
Weight0.84 Pounds
Width4 Inches
Part Number9001954

7. Glvaner


Glvaner 1/4"-20 Thread Size 1-1/2" Thread Length 25 pcs Flat Head Phillip Drive Machine Screws 304 Stainless Steel Full Thread Coverage Plain Finish

Glvaner #ad - Head diameter: 045 inch; head height: 015 inch; feel free to contact us if you have no idea about what size to choose. Package: 25 pieces; Phillips Drive No: #3.

The clean and bright pan head make it ideal uses in furnitures, machinery industry and other indoor or outdoor projects. Material: 304 stainless steel a2 and no exterior finish, greater strength and corrision resistance performance than regular stianless steel or zinc plated fasteners. You could also find the matched hex nuts, 3D printer projects, locknuts or flange hex nuts in our shop with a very reasonable price. Thread size: 1/4"-20; thread pitch: 20 tpi; screw length: 1-1/2 inchincluding the head height; Thread Type: Coarse Thread.
BrandGlvaner #ad
ManufacturerGlvaner #ad
Part NumberGVN23085-25



Fully Machine Thread, Bright Finish, 1/4-20 x 1" Truss Head Machine Screws, Phillips Drive, 18-8 Stainless Steel 304, Pack of 50

EASTLO #ad - Diameter of the head:0573 inch max; height of the head: 015 inch max; thread Pitch: 20 TPI. Screw length: 1 inch or 25mm excluding the height of the head; Thread Size: 1/4"-20;. Package includes 50 pcs 1/4-20 x 1"; Phillips Drive Size: #3. Made of 304 stainless steel no coating outside which is superior to regular steel and any zinc plated fasteners, provides good strength and corrosion resistance in bad environments. Thread coverage: full thread; Exterior Finish: Bright Finish; Color: Silver Tone.
BrandEASTLO #ad
ManufacturerEASTLO #ad
Part NumberAB160507-50



#8-32#10-24 1/4-20 Truss Head Phillips Machine Screws, VIGRUE 18-8 Stainless Steel Screws Bolt Nut Flat Washers Assortment Kit 360PCS

VIGRUE #ad - If you need a single size or different quantity, toys, lamps, welcome to contact. We will handle it within 24 hours until you are satisfied. 11 different sizes: this screw kit includes, #8-32x1/2", #8-32x3/4", #10-24x1/2", 1/4-20x1-1/2", #10-24x1", #8-32x1", come with #8-32, 1/4-20x1-1/4", 1/4-20x1", #10-24x3/4", 1/4-20x1/2", #8-32x1-1/4", #10-24, 1/4-20 nuts and washers for handy using.

Durable material: high quality 304 stainless steel, superior rust resistance, with fine workmanship, for a long time use. Widely application: these screws can be widely used in all kinds of precision machinery, classified instruments, lights, instruments, communication products, household appliances, locks, electronic products, etc.

No hassle service: if you have any questions, please feel free to contact us. Vigrue provide 100% money-back service for our product quality problem. Easy organization: this set are organized in compartments in a transparent storage case with snap-close, clear view storage case for easy identification.
BrandVIGRUE #ad
ManufacturerVIGRUE #ad
Part Numberms