Overview
Draw bolts are specialized fasteners designed to securely clamp components together by applying a pulling force through threaded engagement. Typically manufactured from high-grade alloy steel or stainless steel, draw bolts undergo precise machining and heat treatment processes to ensure optimal strength and durability. Their design features a robust threaded shaft paired with a hexagonal or square head, enabling efficient torque application during installation. The key attributes of draw bolts include high tensile strength, resistance to corrosion, and the ability to maintain clamping force under dynamic loads. These fasteners are commonly utilized in heavy machinery assembly, structural frameworks, and equipment mounting where reliable joint integrity is critical. The precision engineering of draw bolts ensures consistent performance in demanding industrial environments, contributing to enhanced safety and operational efficiency.
In addition to their mechanical robustness, draw bolts offer versatility across various applications due to their compatibility with different materials and surface finishes. The manufacturing process emphasizes dimensional accuracy and surface quality to minimize wear and facilitate easy installation and removal. Draw bolts are particularly advantageous in scenarios requiring frequent maintenance or adjustments, as their design allows for repeated use without compromising clamping effectiveness. Their ability to withstand high stress and vibration makes them suitable for automotive, construction, and heavy equipment sectors. By providing secure fastening solutions, draw bolts play a crucial role in maintaining structural stability and extending the service life of assembled components in industrial settings.
| Product Type | Draw Bolts |
| Head Style | Hexagonal Head |
| Manufacturing Process | Cold Forged and Thread Rolled |
| Thread Type | Coarse Thread (UNC) or Fine Thread (UNF) |
| Common Materials | Carbon Steel, Alloy Steel, Stainless Steel |
| Available Sizes | 1/4″ to 1″ Diameter, Lengths from 1″ to 6″ |
| Strength Features | High Tensile Strength, Heat Treated for Durability |
| Typical Applications | Used for securing pulleys, gears, and other components in mechanical assemblies |
| Surface Finishes | Zinc Plated, Black Oxide, Hot Dip Galvanized |
| Standards | ASTM A449, ISO 898-1 |
| Customization | Custom Sizes, Materials, Threads & Surface Finishes Available |
Engineered to withstand heavy loads and provide secure fastening in demanding industrial environments.
Available in stainless steel and coated finishes to resist rust and extend service life.
Manufactured with accurate thread profiles for smooth installation and strong grip.
Suitable for automotive, construction, and heavy machinery fastening needs.
Constructed from carbon and alloy steels for enhanced mechanical properties.
Meets ASTM and ISO standards ensuring quality and interchangeability.
| Product Type | Draw Bolts |
| Thread Type | Metric Coarse and Fine |
| Diameter Range | M8 to M36 |
| Length Range | 50 mm to 300 mm |
| Available Materials | Carbon Steel, Alloy Steel, Stainless Steel |
| Manufacturing Standards | ASTM A193, ISO 898-1 |
| Surface Finish | Plain, Zinc Plated, Hot-Dip Galvanized |
| Diameter (mm) | Length (mm) |
|---|---|
| M8 | 50–150 |
| M12 | 60–200 |
| M16 | 80–250 |
| M24 | 100–300 |
| M36 | 150–300 |