Master Lock Co 380D Laminated Steel Padlock 1.5 in

Product Description

The MASTER LOCK CO 380D is a laminated steel padlock built for general-purpose security in demanding environments. The body is constructed from layered steel plates, providing solid resistance to physical attack. A chrome-plated hardened steel shackle with a 1-1/8 inch clearance height and 9/32 inch diameter adds further resistance to cutting and prying. The 4-pin cylinder locks using Master Lock key blank K1BOX or Ilco blank M1 TV 320-952. A Rust-Oleum finish provides lifetime rust protection, making this padlock suitable for both indoor and outdoor use.

This padlock fits a wide range of commercial and residential security applications including gates, storage units, tool chests, job site equipment, and utility access points. It is sold in packages of 4 units, making it practical for contractors, facilities managers, and security professionals who need uniform keying or multiple installation points. The carded packaging is retail-ready and common in supply house distribution.

Key Features

• Laminated steel body construction for impact and pry resistance
• Chrome-plated hardened steel shackle resists cutting
• Rust-Oleum finish rated for lifetime rust protection
• 4-pin cylinder for reliable key operation
• 1-1/8 inch shackle clearance height, 9/32 inch shackle diameter
• Compatible with Master Lock key blank K1BOX or Ilco blank M1 TV 320-952

Compatibility

Designed as an OEM-style replacement or direct-fit padlock for standard hasp, chain, and latch applications requiring a 1.5 inch body padlock. Key blanks K1BOX (Master Lock) and Ilco M1 TV 320-952 are confirmed compatible.

Installation Notes

Installation requires no special tools beyond proper hasp or chain hardware sized for the 9/32 inch shackle diameter. Verify hasp slot dimensions before installation to confirm shackle fit. For outdoor or high-moisture environments, ensure mounting hardware is also corrosion-resistant to match the padlock's rust-protection rating. No power tools or trade licensing are required for standard padlock installation.

Technical Specifications

• Body Width: 1.5 inches
• Shackle Clearance Height: 1-1/8 inches
• Shackle Diameter: 9/32 inches
• Cylinder Type: 4-Pin
• Body Material: Laminated Steel
• Shackle Material: Chrome-Plated Hardened Steel
• Finish: Rust-Oleum Rust-Resistant
• Weight: 2.05 pounds
• Package Quantity: 4
• Unit of Measure: EA
• Compatible Key Blanks: Master Lock K1BOX, Ilco M1 TV 320-952

Standard Information

• Brand: MASTER LOCK CO
• Manufacturer Part Number: 380D