Screws
Binding Post Screws
Lock Screws / Chicago Screws / Sex Bolts
Our Binding Post Screws (also known as Chicago Screws, Sex Bolts, or Lock Screws) are precision two-piece fasteners consisting of a male screw and a female barrel post. They create a clean, professional connection that can be easily disassembled and reassembled. Available in a wide range of post lengths, head styles, and surface finishes to suit decorative and industrial applications alike.
Key Features
Two-piece male + female design for easy assembly
Available in nickel, chrome, black oxide, and brass finishes
Post lengths from 5mm to 200mm for various panel thicknesses
Multiple head styles: Phillips, Slotted, Hex Socket
Reusable - allows repeated disassembly without damage
Clean, professional appearance on both sides
Technical Specifications
| Product Name | Binding Post Screws (Lock Screws) |
| Chinese Name | 对锁螺丝 |
| Brand | ZCM / Zhongchun |
| Type | Male + Female pair (Chicago Screws / Sex Bolts) |
| Material | Carbon Steel, Stainless Steel (304/316), Brass |
| Size Range | M4 - M8, Post lengths 5mm - 200mm |
| Head Type | Phillips Flat, Slotted Flat, Hex Socket |
| Surface Treatment | Nickel Plated, Zinc Plated, Black Oxide, Chrome, Antique Brass |
| Standards | GB, DIN, ANSI, Custom |
| Packaging | Paired in poly bags, Carton + Pallet |
| MOQ | Contact us for details |
| Lead Time | 15 days for standard orders |
Applications
Binding Post Screws are versatile fasteners used in both decorative and industrial applications where a clean, two-sided finish is needed.
Signage and display board binding
Leather goods and belt assembly
Photo albums and scrapbook binding
Menu and catalog covers
Architectural panel connections
Furniture and cabinet hardware
Industrial equipment covers
Electrical enclosure panels
Interested in Binding Post Screws?
Send us your specifications for a competitive quote. Standard orders delivered in 15 days.