Cold Forged Door Handles & Lock Parts

Core strengths

Why Must High-End Door Lock Systems Choose Cold Forged Hardware?
Ultra-High Structural Strength: Tensile strength reaches 600-800MPa, far exceeding castings
Precision Dimensional Control: Key mating surface precision up to ±0.02mm
Excellent Surface Quality: Forming achieves a mirror effect, reducing polishing steps
Long-Life Design: Service life reaches over 200,000 cycles, 3-5 times that of ordinary parts

Precision Manufacturing Capability
Multi-station cold heading machine + precision CNC composite production line
Precision machining center, positioning accuracy ±0.002mm
Various surface treatments can be met, such as wire drawing and polishing, mirror polishing, nickel plating, chrome plating, electrophoresis, and painting
Intelligent inspection system, defect rate ≤100PPM

Material Science Application
Stainless steel: 304, 316L, 430
Brass: H59, HPb59-1
Zinc alloy: Zamak 3, Zamak 5
Eco-friendly materials: Compliant with RoHS, REACH standards

Precision Machining Process
Cold forging: Material utilization rate reaches 96%
Precision turning: Coaxiality ≤0.01mm
Automated polishing: Surface roughness Ra0.2μm
Laser engraving: Permanent identification

Zero-Defect Quality System
100% dimensional inspection
Mechanical property batch testing
Salt spray test: 72-240 hours
Life test: 200,000 cycles

Core Product Introduction

Core Product Series: Full-Scenario Security Hardware Solutions
1. Door Handle Series
Levers, pulls, spherical knobs, sliding door handles
Functional Features:
Ergonomic design, comfortable and labor-saving grip
Various styles adapt to different architectural styles
Quick installation structure, reducing installation costs
Technical Parameters:
Material: 304/316 stainless steel, Brass H59, Zinc alloy
Surface treatment: PVD coating, electroplating, powder coating
Torque resistance: ≥15N·m
Anti-destruction rating: Achieves EN 1303 standard
Core Advantages:
One-piece formed structure, no welding weak points
Internal stiffener design, bending strength increased by 40%
Surface corrosion resistance level 10

2. Lock Core Parts
Cylinder housing, latch bolt, transmission parts, lock body frame
Functional Features:
Precise mechanical transmission fit
Anti-violent destruction structural design
Special structure for anti-technical opening
Technical Parameters:
Anti-drilling time: ≥15 minutes
Anti-prying strength: ≥3000N
Service life: ≥200,000 opening/closing cycles
Precision grade: IT8-IT9 grade
Core Advantages:
High-precision fit clearance ≤0.05mm
Hardness HRC 40-50 after heat treatment
Anti-rust and anti-corrosion treatment, adaptable to various environments

3. Connection and Installation Parts
Handle spindles, connecting plates, mounting bases, and decorative covers
Functional Features:
Ensure a reliable connection between the handle and the lock body
Concealed installation, aesthetic, and neat
Quick assembly and disassembly structural design
Technical Parameters:
Shear resistance: ≥2000N
Dimensional precision: ±0.01mm
Surface roughness: Ra≤0.8μm
Customization Capability:
Rapid development of non-standard sizes
Customization of special surface textures
Fulfillment of special material requirements

Application Scenarios

Residential Buildings
Entrance door handles and locks
Interior door hardware systems
Cabinet and drawer pulls
Bathroom hardware accessories

Commercial Buildings
Office building access control systems
Hotel guest room hardware
Shopping mall store door locks
Public restroom accessories

Industrial Facilities
Factory workshop door locks
Storage facility hardware
Mechanical equipment operating handles
Special vehicle door handles

Special Applications
Dedicated hardware for fire doors
Explosion-proof door lock systems
Ship cabin door hardware
Outdoor weather-resistant handles

Technical Support and Services
1. Requirement Confirmation: Understand application scenarios and performance requirements
2. Solution Design: Provide product selection and customization solutions
3. Sample Provision: Provide test samples in 7-10 days
4. Mass Production: Manufactured strictly according to quality standards
5. Quality Inspection: Provide complete inspection reports
6. Packaging and Shipping: Professional packaging and global distribution
7. After-sales Support: Technical consultation and quality assurance