Slotted Set Screws

Slotted Set Screws are headless threaded fasteners that feature a slot designed to be driven with a flat drive. These unique screws are often used to fasten components on shafts and other machinery. At Fastener Solutions, we supply slotted set screws in a wide range of sizes, diameters, and both stainless steel and zinc-plated case-hardened options.
Order Slotted Set Screws in Bulk Today
Use the options below to order slotted set screws in the size, materials, and quantities you need. Questions? Contact our office, and our team will gladly assist you.
Slotted Set Screw Options at Fastener Solutions
We offer a broad selection of slotted set screws to support a variety of industrial applications. We stock both slotted set screws inch and metric configurations, with volume pricing available for large orders. Custom sizes and bulk packaging options are also available upon request.
Case-Hardened, Zinc-Plated Slotted Set Screws
Our case-hardened, zinc-plated slotted set screws provide excellent surface strength and moderate corrosion resistance. Options include:
· Diameter Range: #4 to 5/16”
· Lengths: 1/8" to 1½"
· Thread: UNC or UNF
· Available in inch and metric sizes
18-8 Stainless Steel Cup Point Slotted Screws
Designed for strength and corrosion resistance, slotted set screws stainless steel are a reliable choice for indoor and outdoor applications. Options include:
· Diameter Range: #4 to 5/16”
· Lengths: 1/8" to 1"
· Thread: UNC or UNF
· Available in inch and metric sizes
Common Industrial Applications for Slotted Set Screws
18-8 stainless steel slotted set screws are excellent for environments with moisture or corrosive chemical exposure, including food processing equipment, marine applications, and general outdoor use. Case-hardened steel set screws are often selected for heavy wear or high-friction applications that need added strength and surface durability.
Typical applications for slotted set screws include:
- Securing pulleys, gears, and collars to shafts
- Positioning setup components in fixtures or tooling
- Light-to-medium machinery assemblies where flush surfaces are required
What Are the Primary Benefits of Slotted Set Screws?
· Clean installation
· Strong shaft-to-component grip
· Flush finish
· Case-hardened steel provides added strength and wear resistance
· 18-8 stainless steel offers corrosion protection in harsh environments
Why Choose Fastener Solutions to be Your Slotted Set Screws Supplier?
Fastener Solutions is a leading nationwide distributor for standard and hard-to-find fasteners. We maintain an extensive inventory of industrial-grade components to support OEMs/MROs, fabricators, contract manufacturers, and other professionals across some of the most demanding industrial sectors. With Fastener Solutions, you can count on:
- Large stock of slotted set screws and other threaded fasteners
- Quick shipping on in-stock products
- Technical support for sizing, material selection, and compliance requirements
- Fast access to both common and specialty fasteners, including inch and metric sizes
Request a Quote Today for Slotted Set Screws
Contact us to learn how Fastener Solutions can be your one-stop supplier for slotted set screws. Request a quote to check pricing, availability, and lead times. Looking for other screws? Check out our selection of socket head cap screws, socket set screws, square head set screws, Monel screws, and more. Our team is ready to help you get the fastening products you need at great price points.