Hex socket head bolts, also known as Allen bolts or socket cap screws, are precision-engineered fasteners with a cylindrical head and internal hex drive. Designed for secure tightening with a hex key or Allen wrench, these bolts offer a clean and compact fastening solution across industries.
๐ง Product Specifications
Type: Hex Socket Head Bolt / Allen Bolt / Socket Cap Screw
Thread Size: M3, M4, M5, M6, M8, M10, M12, M16, M20
Length Range: 10mm โ 200mm (custom sizes available)
Material Options:
- Stainless Steel (304 / 316 / 316L)
- Alloy Steel (Grade 10.9 / 12.9)
- Carbon Steel (Grade 8.8)
Thread Standard: DIN 912 / ISO 4762 / ASTM A574
Finish: Black Oxide, Zinc-Plated, Plain, Galvanized
Drive Type: Hex Socket / Allen Wrench
โ๏ธ Common Applications
- Machinery and Equipment Assembly
- Aerospace and Automotive Engineering
- Electronic Housings and Panels
- Steel Frame Structures
- Robotic and Automation Systems
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Key Advantages
โ๏ธ Internal hex drive ensures tamper resistance and aesthetic finish
โ๏ธ Available in high tensile strength grades for heavy-duty loads
โ๏ธ Compact head design ideal for tight space installations
โ๏ธ Excellent corrosion resistance for outdoor and industrial environments
โ๏ธ Full-size range with metric precision threading
๐ฆ Supply & Customization
MOQ: 1000 pcs per size
Packaging: Carton + Pallet / Plastic Box / Custom Label
Delivery Time: 5โ15 days based on order volume
OEM & ODM: Available โ Custom logo, head marking, or packaging
Widely Exported to Europe, South Korea, the Middle East, and North America
๐ฉ Searching for M3 to M20 hex socket head bolts that combine strength, precision, and versatility?
Contact us today for free samples, technical drawings, and expert support.