NGP 90 Minute Fire-Rated Thru-Bolts 1/4-20 Thread 3/8" Height for 1-3/4" to 2" Doors
NFPA 80 Compliant Fire Door Hardware Solution
NGP 90 Minute Fire-Rated Thru-Bolts provide essential fire door compliance for commercial applications requiring secure fastening solutions. These zinc-plated steel thru-bolt sleeves with steel machine screws are specifically designed to fit 1-3/4" to 2" thick doors with 1/4-20 thread size and 3/8" height specifications. Meeting NFPA 80 requirements for filling open holes in fire doors with steel fasteners, these professional-grade components ensure code compliance while maintaining fire door integrity.
Professional Features & Benefits
- Door Thickness Compatibility: Designed for 1-3/4" to 2" thick doors for versatile commercial door applications.
- Thread Specifications: 1/4-20 thread size with 3/8" height provides secure fastening with standard hardware configurations.
- Fire Door Compliance: Meets NFPA 80 requirements for filling open holes in fire doors with steel fasteners for code compliance.
- Durable Construction: Zinc-plated steel thru-bolt sleeve with steel machine screw provides corrosion resistance and long-term reliability.
- Convenient Packaging: Available in boxes of twenty pieces for efficient project planning and inventory management.
- Professional Application: Specifically engineered for commercial fire door installations where code compliance is mandatory.
Technical Specifications
- Commercial/Residential: Commercial
- Department: Door Hardware
- Product Category: Door Trim and Accessories
- Product Group: Door Trim and Accessories
- Product Subgroup: Parts and Accessories
- Product Substrate: Steel
- Product Type: Thru-Bolts
- Subcategory: Parts and Accessories
Professional Applications
- Commercial Fire Door Installations
- Educational Facility Safety Compliance
- Healthcare Institution Fire Protection
- Industrial Facility Code Compliance
- Multi-Tenant Residential Fire Safety
- Government and Municipal Building Safety
- Retail Establishment Fire Door Maintenance
Why Choose NGP Quality?
NGP fire-rated thru-bolts deliver professional-grade reliability with zinc-plated steel construction and NFPA 80 compliance certification. These components are engineered for demanding commercial applications where fire door integrity and code compliance are essential. The steel construction and protective plating ensure long-term performance in critical fire safety applications.
Manufacturer Resources
Product Specs
- Product Group:
- Door Trim and Accessories
- Product Subgroup:
- Parts and Accessories
- Product Type:
- Thru-Bolts
- Subcategory:
- Parts and Accessories
- Commercial/Residential:
- Commercial
- Product Substrate:
- Steel
- Product Category:
- Door Trim and Accessories
- Department:
- Door Hardware