Knurled Cup Set Screws

Knurled Cup Set Screws provide reliable, removable fastening across structural, industrial, and general assembly work. Buying from a stocked distributor means you can match the exact diameter, length, grade, and finish to the job instead of settling for what is on the shelf. South Coast Fasteners stocks Knurled Cup Set Screws in a full range of sizes, grades, and finishes, with Fast 3-5 Day Shipping. Popular options include alloy steel knurled cup set screws and black oxide knurled cup set screws.

Product Name	Diameter 1	Thread Pitch	Length	Thread	Finish
261.24600	4-40 x 3/16" Loc-Wel Socket Set Screws, Coarse, Knurled Cup Point, Alloy Steel, Black Oxide	099010	4	40	3/16"	Coarse	Black Oxide	View Details
7.43100	4-40 x 1/8" Socket Set Screws, Knurled Cup Point, Coarse, Alloy Steel, Black Oxide	111001	4	40	1/8"	Coarse	Black Oxide	View Details
7.40000	4-40 x 3/16" Socket Set Screws, Knurled Cup Point, Coarse, Alloy Steel, Black Oxide	111007	4	40	3/16"	Coarse	Black Oxide	View Details
7.15400	4-40 x 1/4" Socket Set Screws, Knurled Cup Point, Coarse, Alloy Steel, Black Oxide	111013	4	40	1/4"	Coarse	Black Oxide	View Details
7.73800	4-40 x 5/16" Socket Set Screws, Knurled Cup Point, Coarse, Alloy Steel, Black Oxide	111019	4	40	5/16"	Coarse	Black Oxide	View Details
7.78500	4-40 x 3/8" Socket Set Screws, Knurled Cup Point, Coarse, Alloy Steel, Black Oxide	111025	4	40	3/8"	Coarse	Black Oxide	View Details
181.76900	4-40 x 1/2" Socket Set Screws, Knurled Cup Point, Coarse, Alloy Steel, Black Oxide	111676	4	40	1/2"	Coarse	Black Oxide	View Details
120.72300	4-40 x 5/8" Socket Set Screws, Knurled Cup Point, Coarse, Alloy Steel, Black Oxide	111677	4	40	5/8"	Coarse	Black Oxide	View Details
89.15400	4-48 x 3/16" Socket Set Screws, Knurled Cup Point, Fine, Alloy Steel, Black Oxide	111716	4	48	3/16"	Fine	Black Oxide	View Details
58.67700	4-48 x 1/4" Socket Set Screws, Knurled Cup Point, Fine, Alloy Steel, Black Oxide	111717	4	48	1/4"	Fine	Black Oxide	View Details
84.60000	4-48 x 3/8" Socket Set Screws, Knurled Cup Point, Fine, Alloy Steel, Black Oxide	111718	4	48	3/8"	Fine	Black Oxide	View Details
9.40000	5-40 x 1/8" Socket Set Screws, Knurled Cup Point, Coarse, Alloy Steel, Black Oxide	111051	5	40	1/8"	Coarse	Black Oxide	View Details
9.15400	5-40 x 3/16" Socket Set Screws, Knurled Cup Point, Coarse, Alloy Steel, Black Oxide	111053	5	40	3/16"	Coarse	Black Oxide	View Details
9.30800	5-40 x 1/4" Socket Set Screws, Knurled Cup Point, Coarse, Alloy Steel, Black Oxide	111055	5	40	1/4"	Coarse	Black Oxide	View Details
9.30800	5-40 x 5/16" Socket Set Screws, Knurled Cup Point, Coarse, Alloy Steel, Black Oxide	111057	5	40	5/16"	Coarse	Black Oxide	View Details
12.64600	5-40 x 3/8" Socket Set Screws, Knurled Cup Point, Coarse, Alloy Steel, Black Oxide	111059	5	40	3/8"	Coarse	Black Oxide	View Details
14.00000	5-40 x 1/2" Socket Set Screws, Knurled Cup Point, Coarse, Alloy Steel, Black Oxide	111061	5	40	1/2"	Coarse	Black Oxide	View Details
16.23100	5-40 x 5/8" Socket Set Screws, Knurled Cup Point, Coarse, Alloy Steel, Black Oxide	111063	5	40	5/8"	Coarse	Black Oxide	View Details
18.93800	5-40 x 3/4" Socket Set Screws, Knurled Cup Point, Coarse, Alloy Steel, Black Oxide	111065	5	40	3/4"	Coarse	Black Oxide	View Details
144.87700	6-32 x 3/8" Loc-Wel Socket Set Screws, Coarse, Knurled Cup Point, Alloy Steel, Black Oxide	099012	6	32	3/8"	Coarse	Black Oxide	View Details

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Showing 1-20 of 222 Results

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Materials and Finishes

Knurled Cup Set 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 Socket Set, Cup Point Set Screws, and Finished Hex Nuts 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.

Knurled Cup Set Screws Industry Applications

Knurled Cup Set Screws are specified across the trades. Manufacturing and Petrochemical reach for them in tight-clearance assemblies, while Construction lock pulleys, gears, and collars to shafts with them. Alloy steel for strength and stainless for corrosion resistance, in the metric and inch sizes precision work demands.

Frequently Asked Questions

What materials and finishes are knurled cup set screws available in?

What are knurled cup set screws used for?

Knurled Cup Set Screws are specified across manufacturing, petrochemical, and construction, from structural framing and heavy equipment to machinery and general repair.

How do I choose the right knurled cup set screws?

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.

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. We also stock Flat Washers.