Description
One-Way Barrel Nuts & Screws
Specifications of One-Way Chicago Screws
Available Sizes (UNC Thread – One-Way Chicago Screws)
We offer multiple types of one-way Chicago screws, including extended shoulder (Type A), standard shoulder (Type B), and no-shoulder (Type C) designs.
One-Way Barrel Nuts:
• 10-24 × 1/2″
• 10-24 × 5/8″
One-Way Screws with Extended Shoulder:
• 10-24 × 1.06″
• 10-24 × 1.19″
• 10-24 × 1.31″
One-Way Screws with Standard Shoulder:
• 10-24 × 0.5″
• 10-24 × 0.75″
• 10-24 × 0.937″
One-Way Screws without(No Shoulder):
• 10-24 (custom length available)
These One-Way Security Barrel Nuts and Screws — also commonly referred to as one-way screws, one-way female posts, security barrel nuts, tamper-resistant posts, binding posts, and Chicago screws — are widely used as public restroom partition posts, architectural hardware posts, furniture posts, cabinet posts (one-way), signage posts (one-way), safety-fixture posts, and signage mounting posts, where tamper resistance and low-maintenance performance are required.
Applications
One-way security Chicago screws are widely used in applications where tamper resistance is required, including:
• Public restroom partitions
• Architectural hardware and panels
• Furniture and cabinetry
• Signage and display installations
• Electrical enclosures
• Public facilities and safety fixtures
Why Choose Our Chicago Screws
• In-stock inventory in the USA
• Fast shipping from our Chicago warehouse
• Multiple sizes and materials available
• Custom options available
• Reliable quality for industrial applications






