From high-strength bolts to precision-threaded inserts, our extensive range of threaded fasteners delivers superior holding power and durability. Whether you need corrosion-resistant stainless steel fasteners for harsh environments or vibration-resistant locking nuts, we offer solutions from industry leaders like Sherex, Recoil by Howmet, HeliCoil, Spiralock, Stanley Gripco, and KEYSERT. Our fasteners are designed to meet the toughest industrial, aerospace, and automotive standards.
Threaded Fasteners
Engineered for Strength, Precision and Reliability
- High-Strength Bolts & Screws
- Threaded Inserts for Metal, Plastic, and Composite Materials
- Self-Locking Nuts & Advanced Thread Retention Systems
- Custom Coatings for Corrosion & Wear Resistance
NAPPCO Expertise in Threaded Fasteners
When precision matters, NAPPCO delivers. Our threaded fastener offering goes far beyond catalog parts—we provide technical guidance, sourcing flexibility, and inventory solutions tailored to your operation. Whether you’re building complex assemblies or managing high-volume production, we ensure the right fastener is always on hand and built to spec.
- Engineering support for fastener selection, fit, and performance
- OEM-approved brands and custom sourcing options
- Vendor Managed Inventory (VMI) to reduce stockouts and carrying costs
- Fast lead times and dependable service from a family-owned distributor
- Deep industry expertise in automotive, industrial, and electronics sectors
Access to Any Variety of Threaded Fasteners, Fast
Our threaded fasteners are available in a wide range of materials, coatings, and sizes to meet the demands of any application. From heavy-duty bolts to precision screws, we offer fastening solutions designed for durability, ease of installation, and consistent performance.
Bolts & Screws
Versatile threaded fasteners available in a wide range of head styles, drives, and materials for structural, assembly, and precision applications.
- Hex Head
- Socket Head
- Machine Screws
- Self-Tapping
- Self-Drilling
- Shoulder Bolts
- Structural Bolts
- Captive Screws
- Security Screws
- Corrosion-resistant Stainless
- Zinc-Plated Bolts
- Coated Bolts
- High-Temperature Bolts
Threaded Inserts & Locking Systems
Engineered solutions to reinforce threads, prevent loosening under vibration, and provide long-lasting performance in metal, plastic, or composite materials.
- Helical Inserts
- Key Inserts
- Self-Locking Internal Threads
- High-Retention Locking Nuts
- Rivet Nuts & Nutserts
- Wire Thread Inserts
- Thread-locking Systems
- Self-Tapping Inserts for Metals & Plastics
- Blind Threaded Inserts
- Tangless Helical Inserts
Nuts & Washers
Secure your assemblies with high-strength nuts and specialty washers designed to distribute load, resist vibration, and ensure consistent joint integrity.
- Lock Nuts
- Flange Nuts
- Weld Nuts
- Panel Nuts
- T-Nuts
- Flat Washers
- Split Lock Washers
- Spring Washers
- Sealing Washers
- Shoulder Washers
- Belleville Washers
Top Manufacturer Brands
We partner with world-class manufacturers known for engineering excellence, innovation, and quality assurance. These trusted brands provide OEM-approved solutions that deliver proven strength and reliability in every threaded fastener we supply.
