Your Reliable Garage Door Fasteners Supplier
KOP DOOR is a professional supplier of garage door hardware. Our fasteners stand out with superior strength, precision threading, and excellent corrosion resistance. Designed specifically for assembling and maintaining torsion systems, tracks, panels, hinges, rollers, and other garage door components.
With decades of experience in garage door systems, we deliver high-performance fasteners that will enhance safety, stability, and durability for both residential and commercial garages.
KOP DOOR Garage Door Fasteners
- Model :KHF17
- Size:1/2”,Size:5/16-18X1
- Strong torque transmission and easy wrench tightening for high-load structural joints.
- Model :KHF18
- Size:9/16”,Size:3/8-16X1
- Strong torque transmission and easy wrench tightening for high-load structural joints.
- Model:KHF19
- Size:1/4-20, 5/16-18, 3/8-16
- Precise threading and reliable locking performance for all standard bolt applications.
- Model:KHF20
- Size:1/4-20, 5/16-18, 3/18-16
- Built-in washer base distributes load averagelyand prevents loosening under vibration.
- Model:KHF21
- Size: 1/4-20
- BUILT-IN EXTERNAL TOOTH LOCKWASHER provides excellent anti-vibration locking without extra washers.
- Model:KHF22
- Size:5/16, 3/8
- High-quality steel construction increases bearing surface and protects components from damage.
- Model:KHF23
- Size:5/16X1-1/2, 3/8X3
- Heavy-duty concrete expansion anchors for securely mounting garage door tracks to walls.
- Model:KHF24
- Head red painted or galvanized are both available.
Superior Strength & Durability
Our garage door fasteners are engineered for demanding applications. Made from high-grade carbon steel, or stainless steel, they provide tensile strength and torque resistance. The corrosion-resistant coatings ensure long-term performance even in hard weather conditions.
Customization Service
Garage door fasteners are customized to meet the special requirements of various garage door systems. Options include different material grade/ finishes (Zinc plated or color painting)/custom size/branded packaging.
Variety Production Line for Your Market
KOP DOOR operates multiple advanced automated production lines of garage door fasteners, with an annual capacity of over million units. Our manufacturing combines precision cold forging, CNC threading, heat treatment, and rigorous quality inspection. This ensures consistent dimensional accuracy, superior mechanical properties, and reliable supply—even during peak demand seasons.
Quality Assurance
Before shipping fasteners, we conduct multiple high-precision inspections.By using projectors, hardness testers, digital height gauges, CMMs, and advanced tools to verify dimensions, hardness, surface quality, and tolerances.We use special torque testing equipment to verify the tightening torque, thread strength, and self-locking performance of every batch of screws, ensuring that they can be easily tightened during actual use also preventing loosening, thread stripping, and breakage. From raw materials to finished products, every step will under rigorous inspection.
It is recommended to inspect every year. Replace immediately if you notice loose screws, rust, stripped threads, or unusual noise during operation.
We have flexible MOQ for standard items, with delivery around 7-15 days depending on quantity and customization.
Yes. We offer various pre-packaged kits containing self-tapping screws, track bolts, hex bolts, nuts, and required fastens for one-stop purchasing and installation.
Selection depends on door type (residential/commercial), installation location (tracks, hinges, torsion system, panels, etc.), load requirements. We can recommend the suitable specifications based on your door parameters.
According to your fasteners type and quantity ,we have 3 options:Bulk/Packaged/Bagged Kit