Machine Screws

Machine Screws are externally threaded fasteners used to make strong, serviceable connections in metal, wood, and machinery. When the local shelf only has close-enough, working from a stocked distributor lets you pin down the right diameter, length, grade, and finish. South Coast Fasteners keeps Machine Screws in stock and ready to ship, with fast 3-5 day shipping. Popular options include brass machine screws, carbon steel machine screws, and stainless steel machine screws.

Product Name	Diameter 1	Thread Pitch	Length	Thread	Material	Finish
115.54650	3/8-16 x 1 1/2" (FT) Machine Screws, Slotted Round Head, Coarse, Brass	116631	3/8"	16	1 1/2" (FT)	Coarse	Brass		View Details
120.73850	3/8-16 x 2 1/2" (FT) Machine Screws, Slotted Round Head, Coarse, Brass	116632	3/8"	16	2 1/2" (FT)	Coarse	Brass		View Details
0.00000	3/8-16 x 1/2" (FT) Machine Screws, Phillips/Slotted Combo, Round Head, Coarse, Steel, Zinc Cr+3	577815	3/8"	16	1/2" (FT)	Coarse	Steel	Zinc Cr+3	View Details
0.00000	3/8-16 x 3/4" (FT) Machine Screws, Phillips/Slotted Combo, Round Head, Coarse, Steel, Zinc Cr+3	577823	3/8"	16	3/4" (FT)	Coarse	Steel	Zinc Cr+3	View Details
0.00000	3/8-16 x 1" (FT) Machine Screws, Phillips/Slotted Combo, Round Head, Coarse, Steel, Zinc Cr+3	577831	3/8"	16	1" (FT)	Coarse	Steel	Zinc Cr+3	View Details
0.00000	3/8-16 x 1 1/4" (FT) Machine Screws, Phillips/Slotted Combo, Round Head, Coarse, Steel, Zinc Cr+3	577837	3/8"	16	1 1/4" (FT)	Coarse	Steel	Zinc Cr+3	View Details
44.81500	3/8-16 x 1 1/2" (FT) Machine Screws, Phillips/Slotted Combo, Round Head, Coarse, Steel, Zinc Cr+3	577847	3/8"	16	1 1/2" (FT)	Coarse	Steel	Zinc Cr+3	View Details
58.83100	3/8-16 x 2" (FT) Machine Screws, Phillips/Slotted Combo, Round Head, Coarse, Steel, Zinc Cr+3	577863	3/8"	16	2" (FT)	Coarse	Steel	Zinc Cr+3	View Details
0.00000	3/8-16 x 2 1/2" (FT) Machine Screws, Phillips/Slotted Combo, Round Head, Coarse, Steel, Zinc Cr+3	577871	3/8"	16	2 1/2" (FT)	Coarse	Steel	Zinc Cr+3	View Details
0.00000	3/8-16 x 3" (FT) Machine Screws, Phillips/Slotted Combo, Round Head, Coarse, Steel, Zinc Cr+3	577879	3/8"	16	3" (FT)	Coarse	Steel	Zinc Cr+3	View Details
0.00000	3/8-16 x 4" (FT) Machine Screws, Phillips/Slotted Combo, Round Head, Coarse, Steel, Zinc Cr+3	577887	3/8"	16	4" (FT)	Coarse	Steel	Zinc Cr+3	View Details
0.00000	3/8-16 x 5" (FT) Machine Screws, Phillips/Slotted Combo, Round Head, Coarse, Steel, Zinc Cr+3	577891	3/8"	16	5" (FT)	Coarse	Steel	Zinc Cr+3	View Details
0.00000	3/8-16 x 6" (FT) Machine Screws, Phillips/Slotted Combo, Round Head, Coarse, Steel, Zinc Cr+3	577895	3/8"	16	6" (FT)	Coarse	Steel	Zinc Cr+3	View Details
0.00000	3/8-16 x 3" (FT) Machine Screws, Phillips/Slotted Combo, Truss Head, Coarse, Steel, Zinc Cr+3	578879	3/8"	16	3" (FT)	Coarse	Steel	Zinc Cr+3	View Details
23.22700	3/8-16 x 4" (FT) Machine Screws, Phillips/Slotted Combo, Truss Head, Coarse, Steel, Zinc Cr+3	578887	3/8"	16	4" (FT)	Coarse	Steel	Zinc Cr+3	View Details
28.15000	3/8-16 x 5" (FT) Machine Screws, Phillips/Slotted Combo, Truss Head, Coarse, Steel, Zinc Cr+3	578891	3/8"	16	5" (FT)	Coarse	Steel	Zinc Cr+3	View Details
0.00000	3/8-16 x 6" (FT) Machine Screws, Phillips/Slotted Combo, Truss Head, Coarse, Steel, Zinc Cr+3	578895	3/8"	16	6" (FT)	Coarse	Steel	Zinc Cr+3	View Details
24.21500	3/8-16 x 1/2" (FT) Machine Screws, Slotted Flat Head (Undercut), Coarse, Steel, Zinc Cr+3	580821	3/8"	16	1/2" (FT)	Coarse	Steel	Zinc Cr+3	View Details
0.00000	3/8-16 x 5/8" (FT) Machine Screws, Slotted Flat Head, Coarse, Steel, Zinc Cr+3	580822	3/8"	16	5/8" (FT)	Coarse	Steel	Zinc Cr+3	View Details
29.69200	3/8-16 x 3/4" (FT) Machine Screws, Slotted Flat Head, Coarse, Steel, Zinc Cr+3	580823	3/8"	16	3/4" (FT)	Coarse	Steel	Zinc Cr+3	View Details

Showing 1821-1840 of 2023 Results

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Showing 1821-1840 of 2023 Results

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Materials and Finishes

Machine Screws come in grades matched to the load, from carbon steel through high-strength alloy and corrosion-resistant stainless, with finishes from plain and zinc through hot-dip galvanized for outdoor and washdown service. Pair them with metric screws, Finished Hex Nuts, and Flat Washers to round out the assembly.

How to Choose

Match the grade to the working load and the finish to the environment after locking in diameter, thread pitch, and length. Harsh or corrosive settings call for alloy or stainless.

Machine Screws Industry Applications

Machine Screws are specified across the trades. Electrical and furniture assemble enclosures, panels, and equipment with them; manufacturing and automotive fasten sheet metal, ductwork, and housings with them; and marine & offshore mate them with tapped holes and nuts. Zinc and stainless, coarse and fine thread, in the gauges and lengths assembly and sheet metal work require.

Frequently Asked Questions

What is a machine screw?

A machine screw is a uniformly threaded small-diameter fastener that mates with a nut or a tapped hole, used to assemble metal parts, electronics, and machinery.

How is machine screw length measured?

Machine screw length is measured by how far it sits below the surface: from under the head for flat countersunk heads, and from under the bearing surface for pan, round, and hex heads. Diameter is given by gauge number or fraction.

What size drill bit for 10 machine screw?

Match the pilot to the screw gauge and the material thickness; harder or thicker metal needs a pilot near the screw minor diameter. The conversion chart gives drill sizes by gauge.

Can I order in bulk or request a quote?

Yes. Stock covers small orders and full production runs. Reach out for a quote or product help.

Why Choose South Coast Fasteners?

Beyond fasteners, we carry PPE, hand tools, cutting tools, abrasives, and industrial supplies, all stocked at competitive prices and backed by fast shipping and people who know the products.