586BL-ET Matt Black Cylindrical Knob Lock | Interior Exterior Wooden Door Lock
•Model No.:586BL-ET
• Main Finish: Matt Black (Hot Sale)
• Optional Finishes: Satin Stainless Steel, Antique Brass Copper, Antique Brass, Polished Brass, Chrome
• Material: Iron Plating
• Applicable Door: Wooden Door
• Door Thickness: 35mm – 50mm
• Backset: 60mm / 70mm Optional
• Keys: Iron Key / Brass Key (3pcs included)
• Usage: Interior & Exterior Door
• Feature: Easy to install & replace
Description
The 586BL-ET Matt Black Cylindrical Knob Lock is a versatile and cost-effective door lock solution designed for B2B wholesalers, hardware distributors, and construction project procurement. This model takes matt black finish as the mainstream selling style, featuring a modern, minimalist and high-grade appearance that fits most contemporary residential and commercial decoration styles.
Manufactured with premium iron plating material, this cylindrical knob lock delivers stable structural performance and reliable daily security performance. The product is engineered to match ANSI Grade 3 industry standard specifications, ensuring qualified durability and safety for long-term door use.
Suitable for standard wooden doors with a thickness of 35mm to 50mm, the lock supports both 60mm and 70mm backset sizes, achieving high compatibility for most door renovation and new installation projects. Apart from the popular matt black color, 5 additional classic finishes are available to meet diverse customer decoration and market demand.
Featuring a simple mechanical structure, the lock allows quick installation and direct old lock replacement without complex tools, greatly saving construction time and labor cost. It works perfectly for both interior room doors and exterior entrance doors. Each set comes with 3 keys for daily backup, making it an ideal bulk order option for apartments, houses, hotels and real estate projects




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