M3 M4 M5 304 Stainless Steel Hex Socket Furniture Cap Nut Insert
M3 M4 M5 304 Stainless Steel Hex Socket Furniture Cap Nut Insert
Details
M3 M4 M5 304 Stainless Steel Large Flat Hex Socket Furniture Cap Nut
Upgrade your furniture assembly, metalworking, and DIY projects with these precision-engineered 304 (A2-70) stainless steel hexagon socket head cap nuts. Designed with a large flat flange head and a hex socket drive, these rivet connector insert sleeve nuts deliver a secure, flush, and professional finish in wood, metal, and composite panels. Available individually or in packs of 10 for flexible project use.
Key Features
- Premium 304 (A2-70) Stainless Steel — Corrosion-resistant, strong, and built to last in demanding environments
- Large Flat Hex Flange Head — Wide bearing surface distributes load evenly for a stable, secure joint
- Hexagon Socket Drive — Easy installation with a standard hex/Allen key; no slipping or cam-out
- Multiple Size Options — Available in M3, M4, and M5 thread diameters to suit a wide range of applications
- CE Certified — Meets recognized quality and safety standards
- Customizable Quantities — Purchase as 1 piece or a pack of 10 to match your exact needs
Specifications
| Specification | Details |
|---|---|
| Material | 304 (A2-70) Stainless Steel |
| Type | Hex Socket Head Rivet / Insert Cap Nut |
| Thread Diameters | M3 (3mm), M4 (4mm), M5 (5mm) |
| Thread Pitch | M3: 0.5mm | M4: 0.7mm | M5: 0.8mm |
| Certification | CE |
| Pack Size | 1 piece or 10 pieces |
| Country of Origin | Made in China |
Common Applications
- Flat-pack and modular furniture assembly
- Cabinet and shelving installation
- Metal fabrication and structural joining
- DIY home improvement and workshop projects
- Panel and sheet metal connector joints
- Electronic enclosures and equipment housings
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Learn more: OSHA on personal protective equipment
Frequently Asked Questions
Q: What sizes are available for these stainless steel hex socket cap nuts?
A: These insert cap nuts are available in M3 (3mm), M4 (4mm), and M5 (5mm) metric thread diameters with corresponding pitches of 0.5mm, 0.7mm, and 0.8mm respectively. Select the size that matches your bolt or fastener requirement.
Q: What material are these cap nuts made from and are they rust-resistant?
A: These cap nuts are made from 304 (A2-70) grade stainless steel, which offers excellent corrosion resistance, high tensile strength, and long-term durability — making them suitable for both indoor and outdoor furniture and metalworking applications.
Q: How do I install these hex socket furniture insert cap nuts?
A: Simply use a standard Allen (hex) key matching the socket size to drive the nut into a pre-drilled hole. The large flat flange head seats flush against the surface for a clean, professional finish and a secure, load-distributing joint.
Q: Can I buy just one piece instead of a full pack?
A: Yes! These are available in a quantity of 1 piece or a pack of 10, so you can choose the option that best suits the scale of your project.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.
Materials + Care
We prioritize quality in selecting the materials for our items, choosing premium fabrics and finishings that ensure durability, comfort, and timeless appeal.
Shipping + Returns
We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.