Best Pro Series Keyed Padlocks of 2025

The Master Lock - High Security Pro Series Keyed Alike Padlocks are ideal for Commercial/Industrial applications, and designed for harsh outdoor conditions. The locks feature BumpStop Advanced Cylinder Technology, which makes them virtually impossible to pick. The dual ball bearing locking mechanism resists pulling and prying. With 4 locks keyed alike and 8 keys, these padlocks come with a limited lifetime warranty.

This set of four (4) High Security Keyed Alike Padlocks with 8 keys is designed for commercial and industrial applications. The Pro Series Weather Tough cover protects the lock from harsh outdoor conditions, while the solid iron shackle shroud and dual ball bearing locking mechanism provide added resistance against physical attacks. Featuring the BumpStop Advanced Cylinder Technology, the 5 spool pin tumbler cylinder adds pick resistance. Each lock has a 2-1/8 inch wide heavy steel body and a 5/16 inch diameter hardened boron alloy shackle with 3/4 inch inside height clearance. The removable cylinder can be replaced or re-pinned to ensure longevity.

Master Lock 4 High Security Padlocks 6230NKALH-4 are designed for commercial and industrial applications. They feature the BumpStop Advanced Cylinder Technology, a 5-pin cylinder with spool pins that is virtually impossible to pick, and a dual ball bearing locking mechanism that resists pulling and prying. With a solid steel body and boron alloy shackle, these padlocks are perfect for securing storefronts, business gates, utility meters, substations, and cable boxes. They are also ideal for marine recreation with their rustproofing. The 4 locks are keyed alike with 8 keys included in the package.

The Master Lock Pro Padlocks are designed for high security in commercial and industrial settings. Featuring advanced BumpStop Technology, these locks offer excellent protection against unauthorized access. Their weather-resistant cover ensures durability in harsh outdoor conditions, keeping them safe from water, ice, and dirt. The solid iron shackle is built to withstand physical attacks, giving you peace of mind. Additionally, the removable cylinder allows for easy re-pinning or replacement, enhancing the convenience for users who need to maintain security without hassle.

This set includes four high-security keyed alike padlocks with 8 keys, designed for commercial/industrial applications. The locks feature BumpStop Advanced Cylinder Technology, and have a heavy steel body with a hardened boron alloy shackle. They are ideal for harsh outdoor conditions, featuring a Pro Series Weather Tough cover that protects the lock from water, ice, dirt, and grime, and have a solid iron shackle shroud that resists harsh physical attacks. The removable cylinder can be replaced or re-pinned, and the 5 spool pin tumbler cylinder provides added pick resistance. The dual ball bearing locking mechanism resists pulling and prying.

This product is a set of four high-security padlocks designed for commercial and industrial purposes. They are keyed alike and come with eight keys. The lock body is made of reinforced zinc die-cast and is 2-7/8 inches wide. The shackle is made of hardened boron alloy and is 3/8 inches in diameter, making it resistant to cutting and prying. These padlocks are ideal for transportation, vending, and other applications.

The Master Lock Pro Series Padlock includes four high-security keyed alike padlocks with eight keys, designed for commercial and industrial use. Each padlock features BumpStop Advanced Cylinder Technology, a solid iron shackle shroud, a 5 spool pin tumbler cylinder for added pick resistance, and a dual ball bearing locking mechanism that resists pulling and prying. The removable cylinder can be replaced or re-pinned, and the locks are in stock with a delivery time of 1 to 5 business days.

The Master Lock Hidden Shackle Padlocks are designed for commercial and industrial applications. With a hardened diecast zinc body that is strong, durable, and corrosion-resistant, these padlocks are ideal for transportation, vending, gates, and industrial uses. Featuring BumpStop Advanced Cylinder Technology, these locks offer maximum pick resistance. The high-security 6-pin cylinder is removable for replacement or repinning. The fully shielded hardened boron alloy shackle provides resistance against cutting and prying. With dimensions of 3/8 (10mm) width, 19/32 (15mm) depth, and 1-23/32 (44mm) height, these padlocks are compact yet secure. Trust the Master Lock Hidden Shackle Padlocks to keep your belongings safe and secure.

The Master Lock Padlocks offer high security with six keyed alike locks and twelve keys, perfect for commercial and industrial use. Their BumpStop Advanced Cylinder Technology enhances protection against unauthorized access. With a durable steel body and a hardened boron alloy shackle, these locks are built to withstand physical attacks. Additionally, they are designed for tough outdoor conditions, featuring a weather-resistant cover that keeps out water, ice, and dirt, ensuring reliable performance no matter the environment.

The Master Lock Pro Series Padlock is a high security lock designed for commercial and industrial applications. With its BumpStop Advanced Cylinder Technology, it provides enhanced security against lock bumping. The padlock features a heavy steel body and a hardened boron alloy shackle, making it resistant to physical attacks. The solid iron shackle shroud adds an extra layer of protection. The removable cylinder can be easily replaced or re-pinned, and the 5 spool pin tumbler cylinder ensures pick resistance. The dual ball bearing locking mechanism further enhances its resistance to pulling and prying. With its durable construction and advanced security features, the Master Lock Pro Series Padlock is an ideal choice for securing your valuable possessions.