Heavy Duty Zinc Mortise Door Lock, Finish Black (8.5 inch) (O-57)

✅ Product Specifications

• Model No: O-57 (CY-Lock, OSK)
• Handle Set Finish: Black
• Handle Material: Zinc
• Base Plate Material: Zinc
• Mechanism Spring (Handle): Spiral Spring, Stainless Steel 304

✅ Dimensions

• Handle Length: 12.6 cm
• Base Plate Length: 21.7 cm
• Base Plate Width: 5 cm
• Plate Thickness: 1.2 mm

✅ Lock Details

• Lock Size: 70 mm
• Type: Double Stage Locking
• Lock Material: Iron, Stainless Steel, Brass
• Additional Feature:
  • PVC washer between handle and plate for smooth movement
  • Extra plate for lock mechanism to ensure long durability

✅ Sales Package Includes

• 1 Lock
• 1 Cylinder
• 3 Cylinder Keys
• 1 Spindle
• 1 Pair of Mortise Handle Set
• Screws for fittings

✅ Craftsmanship & Technology

• Manufactured with professional surface treatment and anti-corrosion technology
• Ensures smooth finishing, wear resistance, and reliable performance
• Excellence in manufacturing since 2002, driven by innovation and modern techniques

✅ Our Mission

• To provide the best quality products and services to every valuable customer
• Committed to customer satisfaction, durability, and continuous improvement

✅ Proudly Made in India

• Actively promote and support the “MADE IN INDIA” initiative
• Showcasing Indian craftsmanship with global quality standards