Material: Stainless steel, carbon steel, alloy steel, chromium-molybdenum steel, etc.
Surface Treatment: Trivalent zinc, trivalent white zinc, trivalent black zinc, trivalent rainbow zinc, black nickel, electroless nickel, zinc-nickel alloy, black oxide, etc.
Specification: Standard dimensions or custom dimensions
Description: Standard bolts have thick, rigid heads that do not easily flex, making them prone to loosening under vibration and requiring frequent retightening. In contrast, flange screws feature a thinner flange section that flexes slightly under load, providing a tighter and more secure hold. Furthermore, when installing into counterbored holes where standard wrenches cannot fit, the compact head profile and internal hex drive of socket flange screws allow easy operation with Allen keys, similar to socket head cap screws, while the integrated flange base ensures robust clamping. The flange face also acts as a built-in flat washer, making it safer for use on softer or less wear-resistant materials by distributing load and preventing surface puncture.