Overview
Cap screws are precision-engineered fasteners designed to provide secure and reliable fastening solutions across a wide range of industrial applications. Typically characterized by a cylindrical head with a recessed drive, cap screws are manufactured using high-grade materials such as alloy steel, stainless steel, and other corrosion-resistant metals to ensure durability and strength. The design of cap screws allows for high torque application, making them suitable for assemblies requiring tight clamping forces. Their manufacturing process involves cold heading and threading, followed by heat treatment to enhance mechanical properties. Cap screws are commonly used in machinery, automotive, construction, and heavy equipment industries where dependable fastening is critical to performance and safety.
The performance of cap screws is distinguished by their ability to maintain joint integrity under dynamic loads and harsh environmental conditions. Their precise threading and head design facilitate easy installation and removal, reducing maintenance time and costs. Cap screws offer advantages such as uniform load distribution and resistance to loosening due to vibration, which is essential in high-stress applications. Available in various sizes and thread types, cap screws can be customized to meet specific engineering requirements. Their versatility and robust construction make cap screws an essential component in industrial fastening, providing long-lasting and efficient solutions for complex assembly challenges.
| Product Type | Cap Screw |
| Head Style | Hexagonal Head |
| Manufacturing Process | Cold Forged or Hot Forged |
| Thread Type | Unified National Coarse (UNC) or Unified National Fine (UNF) |
| Common Materials | Carbon Steel, Alloy Steel, Stainless Steel |
| Available Sizes | #4 to 1-1/2 inch diameter, various lengths |
| Strength Features | High tensile strength grades including Grade 5 and Grade 8 |
| Typical Applications | Machinery assembly, automotive, construction, structural fastening |
| Surface Finishes | Zinc plated, black oxide, hot-dip galvanized, plain |
| Standards | ASME B18.2.1, ASTM A307, ASTM A449 |
| Customization | Custom Sizes, Materials, Threads & Surface Finishes Available |
Cap Screws provide superior tensile strength suitable for heavy-duty industrial applications requiring secure fastening under stress.
Available in stainless steel and coated finishes to withstand harsh environmental conditions and prevent rusting.
Manufactured with accurate thread profiles ensuring smooth installation and strong engagement with nuts or tapped holes.
Offered in hex, socket, and slotted heads to accommodate various tools and assembly requirements.
Available in multiple diameters and lengths to suit diverse application needs across industries.
Designed for quick and secure fastening with standard tools, reducing assembly time and labor costs.
| Product Type | Cap Screw |
| Thread Type | Metric & Imperial, Coarse & Fine |
| Diameter Range | M3 to M36 |
| Length Range | 6 mm to 150 mm |
| Available Materials | Stainless Steel, Carbon Steel, Alloy Steel |
| Manufacturing Standards | ASTM A193, DIN 931, ISO 4014, ASME B18.2.1 |
| Surface Finish | Plain, Zinc Plated, Black Oxide, Hot-Dip Galvanized |
| Diameter (mm) | Length (mm) |
|---|---|
| M3 | 6, 8, 10, 12 |
| M6 | 10, 16, 20, 25, 30 |
| M12 | 30, 40, 50, 60 |
| M24 | 80, 100, 120, 150 |
