Overview
Coil bolts are specialized fasteners designed to provide secure and reliable fastening solutions in applications requiring high strength and durability. These bolts feature a unique coiled thread design that enhances load distribution and resistance to loosening under vibration or dynamic forces. Manufactured using precision machining and cold forming techniques, coil bolts are typically made from high-grade alloy steels or stainless steel to ensure optimal performance in demanding environments. The design of coil bolts allows for efficient installation and removal, making them suitable for use in heavy machinery, automotive assemblies, and structural frameworks where consistent clamping force and longevity are critical. Their corrosion resistance and mechanical strength make coil bolts a preferred choice for industries requiring dependable fastening under harsh conditions.
The performance of coil bolts is characterized by their ability to maintain joint integrity even under fluctuating loads and exposure to environmental stressors. The coiled thread profile reduces stress concentration and enhances fatigue resistance, contributing to extended service life. Coil bolts are commonly utilized in construction, manufacturing, and transportation sectors, where their robust design supports the assembly of components subjected to vibration and thermal expansion. The versatility of coil bolts extends to applications involving metal-to-metal fastening, ensuring a secure fit without compromising material integrity. Their precision manufacturing and material selection result in fasteners that deliver consistent torque values and high tensile strength, providing engineers and technicians with reliable solutions for critical fastening requirements.
| Product Type | Coil Bolts |
| Head Style | Hexagonal Head |
| Manufacturing Process | Cold Formed and Thread Rolled |
| Thread Type | Coarse Thread (UNC) or Fine Thread (UNF) |
| Common Materials | Carbon Steel, Alloy Steel, Stainless Steel |
| Available Sizes | #6 to 1-1/2 inch diameter, Various Lengths |
| Strength Features | High Tensile Strength, Heat Treated for Durability |
| Typical Applications | Automotive, Construction, Machinery Assembly |
| Surface Finishes | Zinc Plated, Black Oxide, Hot Dip Galvanized |
| Standards | ASTM A307, SAE J429, ISO 898-1 |
| Customization | Custom Sizes, Materials, Threads & Surface Finishes Available |
Engineered to resist loosening in high-vibration environments, ensuring secure and stable connections over time.
Manufactured from premium materials to provide excellent tensile strength suitable for demanding applications.
Available in stainless steel and coated finishes to withstand harsh environmental conditions.
Produced with accurate threading for smooth installation and optimal load distribution.
Suitable for automotive, industrial machinery, and structural fastening needs.
Designed to maintain integrity under repeated stress and dynamic loads.
| Product Type | Coil Bolts |
| Thread Type | Metric Coarse and Fine |
| Diameter Range | M6 to M30 |
| Length Range | 20 mm to 150 mm |
| Available Materials | Carbon Steel, Stainless Steel, Alloy Steel |
| Manufacturing Standards | ASTM A193, ISO 898-1, ISO 4014 |
| Surface Finish | Plain, Zinc Plated, Hot-Dip Galvanized |
| Diameter (mm) | Length (mm) |
|---|---|
| M6 | 20, 30, 40, 50 |
| M12 | 40, 60, 80, 100 |
| M20 | 60, 80, 100, 120 |
| M30 | 80, 100, 120, 150 |
