Professional Grade Architectural Hinges & Specialty Hardware
Stahlock delivers a comprehensive range of premium door hinges including standard butt hinges, specialty floor hinges, and continuous piano hinges. Our precision-manufactured hinges combine superior materials with innovative design, ensuring smooth operation and lasting durability for commercial, institutional, and residential applications.
Product Overview
Excellence in Every Revolution
Stahlock hinges provide the foundation of reliable door operation, featuring heavy-gauge steel, brass construction, and specialty solutions like our F100 floor hinge system. From standard stainless steel hinges to specialized spring hinges and continuous piano hinges, our complete range ensures optimal performance for every door application.
Specialty Hinges - Floor Spring Systems
Model F100 - Floor Spring Door Hinge
Professional Grade Floor-Mounted Door Control
Product Description:
High-quality floor hinge engineered for heavy commercial glass doors and aluminum frame doors. Features iron and zinc die-cast construction with steel base internal components and zinc-plated finish for superior durability.
Technical Specifications:
• Material: Iron body, zinc die-cast case, steel internal components
• Finish: SS (Stainless Steel), AB (Antique Brass), SN (Satin Nickel), AC (Antique Copper), PB (Polished Brass)
• Closing Force: 25N.M adjustable
• Maximum Load: 80kgs door weight
• Opening Angle: 0° to 116° both directions
• Dimensions: 7-13/16" (200mm) length × 4-9/16" (116mm) width × 1-9/16" (40mm) height
Key Features:
• Includes opening and closing speed regulation
• Spring tension fully adjustable
• Door can swing 116° inwards or outwards
• Stops at 0°, 88° and 116° in both directions
• Ideal for kitchen, hallways, and residential doors
• Suitable for glass doors with proper patch fittings
Installation Diagram:
• Pivot Point: Center or offset mounting
• Frame Compatibility: Aluminum or steel frames
• Floor Box: Concrete embedded installation
• Top Pivot: Matching pivot required
• Door Clearance: Calculated based on 88° or 116° swing
Model F132 - Floor Hinge Handle
Coordinated Handle for Floor Spring Doors
Specifications:
• Material: Zinc alloy construction
• Finish: Satin nickel standard
• Design: Double-sided grip handle
• Mounting: Through-glass or frame mount
• Application: Glass doors with floor springs
• Compatibility: Works with F100 system
Stainless Steel Hinge Series
Standard Duty Models
Model SSH011 - Lift-Off Hinge
Removable Pin for Easy Installation
Specifications:
• Type: Lift-off removable pin
• Material: Grade 304 stainless steel
• Thickness: 2.5mm leaf gauge
• Bearing: Plain bearing
• Corners: Square corner standard
• Application: Service doors
Model SSH012 - Riveted Security Hinge
Fixed Pin Enhanced Security
Specifications:
• Pin Type: Riveted non-removable
• Security: Tamper-resistant
• Load: 40kg per pair
• Material: Stainless steel
• Finish: Brushed satin
• Application: Security doors
Model SSH013 - Standard Butt Hinge
Versatile Commercial Grade
Specifications:
• Type: Standard butt hinge
• Pin: Fixed stainless steel
• Bearing: 2 ball bearings
• Load: 60kg per pair
• Fire Rating: FD30/60 compatible
• Certification: CE marked
Model SSH015 - Heavy Commercial
4" × 3" Heavy-Duty Design
Specifications:
• Size: 100mm × 75mm
• Thickness: 3mm leaves
• Bearing: 4 ball bearings
• Load Capacity: 80kg per pair
• Application: Commercial doors
• Testing: 500,000 cycles
Model SSH016 - Extra Heavy-Duty
Maximum Load Capacity
Specifications:
• Size: 100mm × 100mm
• Gauge: 3mm heavy-duty
• Bearings: 4 ball bearings
• Load: 100kg per pair
• Application: Heavy commercial
• Warranty: 10 years
Specialty Stainless Hinges
Model SSH018 - 3" Flush Hinge
Space-Saving Flush Mount
Specifications:
• Size: 3" flush design
• Profile: One leaf fits in other
• Thickness: Minimal gap
• Material: Stainless steel
• Application: Cabinet doors
• Installation: No mortising
Model SSH019 - 4" Flush Hinge
Larger Flush Mount Option
Specifications:
• Size: 4" flush configuration
• Design: Space-saving
• Load: Light to medium duty
• Finish: Satin stainless
• Application: Overlay doors
• Feature: Clean aesthetic
Model SSH020 - Round Corner Hinge
Safety Design for Healthcare
Specifications:
• Corners: 1/4" radius all corners
• Material: 304 stainless steel
• Safety: No sharp edges
• Application: Hospitals, schools
• Compliance: ADA compliant
• Finish: Satin brushed
Model SSH022 - Crank/Offset Hinge
Clearance for Door Seals
Specifications:
• Type: Cranked offset design
• Offset: 19mm standard
• Purpose: Clear weatherstripping
• Material: Stainless steel
• Load: 60kg per pair
• Application: Exterior doors
Model SSH023 - Spring Hinge
Self-Closing Mechanism
Specifications:
• Function: Single action spring
• Tension: Adjustable
• Opening: 0-180 degrees
• Material: Stainless body
• Spring: Tempered steel
• Application: Fire doors
Model SSH017 - Flag/Parliament Hinge
Wide Throw Projection Design
Specifications:
• Type: Flag hinge design
• Projection: 50mm offset
• Load: 100kg per pair
• Material: 316 stainless option
• Application: Wide reveal doors
• Mounting: Welded or bolted
Brass & Steel Hinge Series
Brass Models
Model B024 - Brass with NRP
Non-Removable Pin Security
Specifications:
• Material: Brass-plated steel
• Pin: Non-removable (NRP)
• Security: High level
• Finish: Polished brass
• Sizes: 3" to 5" available
• Load: 50kg per pair
Model B025 - Brass Lift-Off
Traditional Removable Design
Specifications:
• Material: Solid brass
• Pin Type: Lift-off
• Finish: Polished brass
• Bearing: Plain bearing
• Thickness: 2.5mm gauge
• Application: Residential
Steel Models
Model SS026 - Steel with NRP
Economical Security Solution
Specifications:
• Material: Steel construction
• Pin: Non-removable
• Finish: Satin chrome
• Security: Tamper resistant
• Testing: 200,000 cycles
• Application: Commercial
Model SS027 - Brass-Plated Steel
Traditional Appearance Economy
Specifications:
• Base: Steel substrate
• Finish: Brass plated
• Pin: Non-removable
• Cost: Budget-friendly
• Durability: Good
• Application: Residential
Model BL028 - Matte Black Hinge
Contemporary Black Design
Specifications:
• Finish: Matte black powder coat
• Material: Steel construction
• Style: Modern architectural
• Durability: Scratch resistant
• Trend: Designer black
• Application: Modern interiors
Piano Hinges - Continuous Series
Brass Piano Hinge
Full-Length Continuous Support
Specifications:
• Width Options: 1", 1-1/4", 2", 3"
• Standard Lengths: Up to 8 feet
• Material: Extruded brass
• Pin: Stainless steel
• Holes: Pre-drilled or blank
• Custom: Cut to any length
Applications:
• Lid and cover applications
• Folding doors and panels
• Piano and keyboard covers
• Tool boxes and cases
• Continuous support requirements
• Heavy panels and doors
Features:
• Even weight distribution
• Eliminates sagging
• Smooth continuous operation
• Custom hole patterns available
• Multiple material options
• Professional appearance
Size Configuration Matrix
Standard Hinge Sizes
Size (Imperial) | Size (Metric) | Door Weight | Application |
3"× 2-1/2" | 75mm × 65mm | Up to 20kg | Light residential |
3" × 3" | 75mm × 75mm | Up to 30kg | Standard residential |
3-1/2" × 3-1/2" | 90mm × 90mm | Up to 40kg | Heavy residential |
4" × 3" | 100mm × 75mm | Up to 50kg | Light commercial |
4" × 3-1/2" | 100mm × 90mm | Up to 60kg | Standard commercial |
4" × 4" | 100mm × 100mm | Up to 80kg | Heavy commercial |
4-1/2" × 4" | 115mm × 100mm | Up to 90kg | Extra heavy |
4-1/2" × 4-1/2" | 115mm × 115mm | Up to 100kg | Industrial |
5" × 3" | 125mm × 75mm | Special | Wide throw |
5" × 4" | 125mm × 100mm | Up to 120kg | Maximum duty |
5" × 5" | 125mm × 125mm | Up to 150kg | Industrial heavy |
Piano Hinge Dimensions
100 × 50 × 2mm: Standard duty
102 × 72.5 × 2.5mm: Heavy duty
Finish Options
Available Finishes
Code | Finish | Description | Environment |
AB | Antique Brass | Aged brass look | Interior |
SB | Satin Brass | Brushed brass | Interior |
AC | Antique Copper | Weathered copper | Interior |
SC | Satin Chrome | Brushed chrome | Interior/Exterior |
CP | Chrome Plated | Mirror chrome | Interior |
SS | Satin Stainless | Brushed steel | All environments |
PB | Polished Brass | Bright brass | Interior |
BK | Black | Powder coated | Interior/Exterior |
Available | Custom finishes | Per specification | Project specific |
Technical Specifications
Load Ratings by Application
• Residential Light: 20-30kg per pair
• Residential Standard: 30-50kg per pair
• Commercial Light: 50-70kg per pair
• Commercial Standard: 70-100kg per pair
• Heavy Duty: 100-150kg per pair
• Industrial: 150kg+ per pair
Bearing Types & Applications
• Plain Bearing: Light duty, low frequency
• Ball Bearing: Medium duty, smooth operation
• Thrust Bearing: Heavy duty, high frequency
• Oil-Impregnated: Maintenance-free operation
• Needle Bearing: Ultra-smooth, premium
Material Standards
• Stainless Steel: AISI 304/316 grade
• Brass: CZ121 architectural grade
• Steel: Cold rolled, zinc plated
• Pins: Hardened stainless steel
• Springs: Music wire ASTM A228
Testing Standards
• Cycle Testing: 200,000 to 2,000,000 cycles
• Salt Spray: 480 hours (stainless)
• Load Testing: 150% of rated capacity
• Fire Testing: UL 10C rated options
• Durability: ANSI/BHMA certified
Installation Guidelines
Door Preparation Standards
Butt Hinges:
• 3 Hinges: Doors up to 7' height
• 4 Hinges: Doors 7' to 8' or over 90kg
• 5 Hinges: Doors over 8' or over 120kg
• Spacing: Equal distribution
• Clearance: 1/8" gap minimum
Floor Springs:
• Floor Box: Embedded in concrete
• Top Pivot: Aligned with floor spring
• Glass Prep: Proper notching required
• Frame Reinforcement: Required for heavy doors
• Adjustment: Post-installation fine-tuning
Hinge Placement Guidelines
• Top Hinge: 5" to 7" from door top
• Bottom Hinge: 10" to 11" from floor
• Middle Hinges: Equally spaced between
• Alignment: Perfectly vertical required
• Gap: 1/8" clearance all around
Applications by Type
Commercial Buildings
• Entry doors: SSH015, SSH016 heavy-duty
• Glass doors: F100 floor springs
• Fire doors: SSH023 spring hinges
• Office doors: SSH013 standard
• Security doors: SSH012 riveted
Healthcare Facilities
• Patient rooms: SSH020 round corner
• Operating rooms: Stainless steel only
• Public areas: ADA compliant models
• Emergency exits: Spring hinges
• Clean rooms: 316 stainless steel
Educational Institutions
• Classroom doors: SSH013 standard
• Entrance doors: Heavy-duty models
• Restrooms: Stainless steel
• Gymnasiums: Extra heavy-duty
• Dormitories: Standard residential
Hospitality
• Guest rooms: B025 brass aesthetic
• Glass entrances: F100 floor springs
• Conference rooms: Premium finishes
• Restaurants: Stainless steel
• Pool areas: 316 marine grade
Residential
• Entry doors: B024, B025 brass
• Interior doors: SSH011 standard
• Bathrooms: Stainless steel
• Cabinets: Flush hinges
• Gates: Spring hinges
Quality & Compliance
Manufacturing Standards
• ISO 9001 certified production
• CNC precision machining
• Statistical process control
• 100% inspection protocol
• Continuous improvement program
Certifications & Standards
• ANSI/BHMA A156.1 Grade 1 & 2
• CE Marked for European compliance
• UL Listed for fire-rated doors
• ADA Compliant designs
• RoHS Environmental compliance
Warranty Coverage
• Mechanical: 5-10 years standard
• Finish: 1-3 years depending on type
• Stainless: Lifetime against corrosion
• Commercial: Extended programs available
• Residential: Standard coverage
Why Choose Stahlock Hinges?
Superior Materials
Premium stainless steel, brass, and steel construction ensures lasting performance and appearance.
Precision Manufacturing
CNC machined components guarantee smooth operation and perfect alignment.
Comprehensive Range
From light residential to heavy industrial, including specialty solutions like floor springs.
Technical Excellence
Rigorous testing and quality control ensure reliable performance in demanding applications.
Ordering Information
How to Specify
1. Determine Type: Butt, flush, spring, floor, piano
2. Select Size: Based on door weight and size
3. Choose Material: Stainless, brass, or steel
4. Pick Finish: Match existing hardware
5. Specify Quantity: Calculate pairs needed
6. Special Features: NRP, spring, bearings
Complete Package Options
• Pairs with matching screws
• Bulk contractor packaging
• Individual retail packaging
• Project kitting available
• Custom configurations
Technical Support
• Specification assistance
• Load calculations
• Installation guidance
• Warranty registration
• Replacement parts
Contact Stahlock today for premium door hinges that deliver reliable performance, security, and aesthetic appeal for every project requirement.