Metric Socket Shoulder Cap Screws

South Coast Fasteners, Inc. supplies metric socket shoulder cap screws built to ISO 7379 standards for precision and reliability. Also known as shoulder bolts, these screws feature an unthreaded cylindrical shoulder beneath the head that allows for rotation, alignment, and sliding applications. They are commonly used in tooling, machinery, automotive, and industrial equipment where exact alignment and wear resistance are critical. South Coast Fasteners provides metric socket shoulder cap screws in alloy and stainless options, ensuring customers have access to fasteners that perform under specific mechanical requirements.

Your Supplier for High-Performance Industrial Fasteners

If you're looking for a trusted supplier of wholesale industrial fasteners, South Coast Fasteners is your solution. Contact our Anaheim, CA office to learn more about our product options and how we can support your project needs. For helpful service, fast order turnaround, and high-quality fasteners in bulk or small batches, choose South Coast Fasteners.

Types of Metric Socket Shoulder Cap Screws We Offer

Metric Class 12.9 Socket Shoulder Screw, ISO 7379, Thermal Black Oxide, Alloy

These high-strength Class 12.9 alloy steel shoulder screws are designed for applications that demand both precision and durability. The thermal black oxide finish provides a uniform dark surface with mild resistance to corrosion. They are widely used in machinery, jigs, and fixtures where accurate alignment and load-bearing capacity are essential.

Metric Stainless A2 (18-8) Socket Shoulder Screw, ISO 7379

Made from A2 stainless steel, these socket shoulder screws combine corrosion resistance with dependable mechanical performance. Their unthreaded shoulder design makes them ideal for outdoor, marine, and food-grade applications where alignment and resistance to rust are required. They are frequently used in equipment that must maintain both cleanliness and reliability.

Material Options

South Coast Fasteners stocks metric socket shoulder cap screws in the following material grades, each offering distinct advantages for different industries.

Alloy Steel Class 12.9

Class 12.9 alloy steel provides the highest tensile strength, making it the strongest choice for socket shoulder screws. It is particularly effective in tooling, machinery, and equipment where heavy loads and repeated stress cycles are common. These screws deliver unmatched performance in applications that cannot afford failure.

Stainless Steel A2 (18-8)

A2 stainless steel offers solid strength with excellent resistance to moisture and light chemical exposure. It is frequently chosen for outdoor, marine, and food-processing assemblies where cleanliness and rust prevention are key. These screws balance durability and corrosion protection for long-term use.

Available Finishes

South Coast Fasteners offers metric socket shoulder cap screws in finishes designed to enhance durability and appearance.

Thermal Black Oxide

Thermal black oxide creates a dark, smooth finish that provides mild corrosion protection. It reduces glare, improves wear resistance, and retains oil for added lubricity. This finish is commonly specified in tooling and industrial equipment where appearance and protection both matter.

Why Choose South Coast Fasteners?

South Coast Fasteners is trusted by industries that rely on socket shoulder screws for alignment, accuracy, and durability. Our decades of experience and commitment to quality ensure that every fastener we supply meets the highest performance standards. Customers depend on us for consistent supply, expert support, and products that hold up under the toughest conditions.

Order Metric Socket Shoulder Cap Screws Online Today

Order metric socket shoulder cap screws from South Coast Fasteners with confidence knowing that stock is always available. Our streamlined ordering process makes it simple to find the correct size, grade, and finish. Whether for industrial tooling, machinery, or marine use, we deliver quickly and provide expert support every step of the way.