Kinmar® Bolt - M8 x 40mm Removable Bolt - Galv

Removable Kinmar® Security Bolts - Two-Way Anti-Tamper Nuts | Reusable Security Fixings | Vital Parts - KINMAR-R-M8-40-GEO

Introducing our versatile Removable Kinmar® Security Bolts, the ultimate two-way patented security fastening solution for applications requiring both high security and maintenance access. These innovative anti-tamper nuts feature a unique five-segment shaped design. Engineered for applications where periodic maintenance or component replacement is necessary, these removable security nuts provide exceptional tamper resistance whilst allowing authorised removal using matching specialised driver sockets, making them indispensable for car park barriers, public transport infrastructure, and maintenance-critical installations across the UK.

What are Removable Kinmar Security Bolts?

Removable Kinmar® security bolts represent the perfect balance between high-level security protection and practical maintenance accessibility. These patented two-way security fasteners incorporate a unique five-segment drive pattern that requires matching driver sockets for both installation and removal, providing robust protection against unauthorised tampering whilst permitting legitimate maintenance operations. The smooth, aesthetically pleasing rounded design eliminates sharp edges and protrusions, making these bolts ideal for public spaces where safety considerations are paramount. Unlike permanent security solutions, these removable bolts enable authorised personnel to perform routine maintenance, component upgrades, or emergency repairs without compromising the long-term security integrity of the installation, delivering cost-effective security for applications requiring regular access.

Please note that to preserve the integrity of our security products, the relevant tooling is not available online.

It is available by request, and only to registered businesses.

Key Applications and Industries:

• Car Park Security Systems: Essential for barrier arms, entry gates, ticket dispensers, and payment terminals where daily operation requires regular maintenance access whilst preventing revenue loss through tampering.
• Public Transport Infrastructure: Securing bus stops, railway platform furniture, ticket machines, and information displays where regular cleaning, maintenance, and seasonal updates necessitate authorised access.
• Playground and Recreation Equipment: Protecting children's play equipment, sports facilities, and outdoor fitness apparatus where safety inspections and component replacement require periodic removal without permanent damage.
• Street Furniture Maintenance: Ideal for benches, bins, signage, and lighting fixtures in urban environments where councils need regular access for cleaning, repair, and seasonal decorative installations.
• Security Fencing Systems: Securing gates, panels, and access points in perimeter fencing where authorised entry and exit requirements must be balanced with unauthorised access prevention.

Why Choose Our Removable Kinmar® Security Bolts?

• Versatile Two-Way Security: The patented five-segment drive system enables both installation and removal using matching tools, providing high security protection whilst maintaining essential maintenance access capabilities.
• Cost-Effective Operation: Eliminates the need for destructive removal methods or replacement components during routine maintenance, significantly reducing long-term operational costs and downtime.
• Enhanced Tamper Resistance: Despite being removable, the unique drive pattern and restricted tool availability provide exceptional security levels, deterring casual tampering whilst allowing authorised access.
• Public Safety Design: Smooth, rounded profile with no sharp edges or protrusions ensures compliance with public safety requirements whilst maintaining aesthetic appeal in high-visibility installations.
• Controlled Tool Access: Matching removal tools are exclusively supplied to purchasers of Kinmar® products, maintaining security integrity by preventing general public access to installation equipment.

Key Features and Benefits:

• Patented two-way design allows installation and removal with matching specialised tools
• Five-segment drive pattern provides superior torque transmission and tamper resistance
• Smooth, aesthetically pleasing finish suitable for public spaces and high-visibility applications
• Available in comprehensive thread size range from M5 to M12 for diverse applications
• Premium material options ensuring long-term durability in challenging environmental conditions

Where are Kinmar® Security Boltsused?

Removable Kinmar® security bolts are extensively utilised by facilities managers, maintenance contractors, local authorities, and security professionals throughout the UK who require reliable security combined with practical maintenance access. Primary purchasers include car park operators managing automated entry systems, transport authorities maintaining public infrastructure, facilities management companies responsible for commercial properties, and councils operating street furniture and recreational facilities. These nuts are particularly valued by procurement teams in organisations where security policies must balance asset protection with operational efficiency, including retail centres, educational institutions, healthcare facilities, and entertainment venues where regular maintenance schedules are essential for continued safe operation.

What materials and finishes are available?

Bright Zinc Plated (CR-3): Case hardened steel core with electroplated zinc finish delivering bright, attractive appearance combined with reliable corrosion protection. Salt spray testing demonstrates 6 hours white rust resistance and 48 hours red rust protection, suitable for most indoor and covered outdoor applications.

Geomet 500 Coating: Advanced zinc-aluminium alloy coating providing superior protection equivalent to heavy galvanising with enhanced consistency and smoothness. Delivers exceptional environmental resistance with 240 hours white rust protection and 1000 hours red rust resistance in accelerated salt spray testing.

Maintenance and Operational Benefits:

The removable design philosophy of these security bolts addresses the critical challenge faced by facilities managers who must balance security requirements with practical operational needs. Regular maintenance schedules, seasonal adjustments, component upgrades, and emergency repairs can be performed efficiently without compromising security integrity or incurring replacement costs. The controlled availability of matching tools ensures that only authorised personnel can access secured installations, whilst the robust construction withstands repeated installation and removal cycles without degradation of security performance or aesthetic appearance.

Product Specifications:

• Thread Size: M8
• Length: 40mm
• Head Diameter: 16.1mm
• Head Height: 7.3mm
• Material: Hardened Steel - Galvanised

Our Removable Kinmar® Security bolt provide the ideal solution for security-conscious applications where maintenance access cannot be compromised. Whether protecting valuable equipment that requires regular servicing, securing public infrastructure with ongoing maintenance schedules, or safeguarding installations where component replacement is anticipated, these innovative fasteners deliver uncompromising security with practical operational flexibility. The combination of patented drive technology, premium materials, and controlled tool access makes these nuts the preferred choice for professional facilities management throughout the UK.

Why Buy from Vital Parts? 

As a trusted UK supplier of high-quality fasteners and industrial components, Vital Parts offers a customer-first experience with benefits that include: 

• Same-Day Dispatch: Fast and reliable shipping to keep your projects on track. 

• Competitive Trade Pricing: Enjoy bulk discounts on larger orders to save more. 

• Expert Technical Support: Our knowledgeable team is here to help with product selection and application advice. 

If you need assistance selecting the right size or would like to discuss custom options, contact our expert team at 01233 713581.