Looking for the best Grade 1 locks to secure your space with top-tier protection?
Discover our curated selection of Grade 1 locks featuring advanced security, durable designs, and seamless installation for peace of mind.
Grade 1 locks are the toughest and most reliable options for securing your space. Whether it’s for a busy office, a public building, or your home, these locks are built to last and keep you safe. We’ve gathered the best Grade 1 locks to help you find the perfect fit.
From smart locks with app control to heavy-duty deadbolts and commercial lever locks, there’s something for every need. Each lock meets high security standards and is designed for easy installation and long-term use.
Discover the top picks, compare features, and choose with confidence. Your safety starts here!
List of Top 10 Grade 1 Locks
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MiLocks Grade 1 Commercial Heavy Duty Entry Door Lever, Industrial Cylindrical Lockset with Keys, Satin Nickel Finish, Easy Install for Office High Traffic Areas |
This lock is perfect for busy places like offices, schools, and hospitals. It’s easy to use and very secure, making it great for high-traffic areas. |
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BRINKS Commercial – Single Cylinder Deadbolt Lock, Satin Chrome Finish – Meets ANSI Grade 1 Standards and has 3-Hour UL Fire Rating |
This lock is perfect for homeowners and business owners who need strong security and fire safety. It meets ANSI Grade 1 standards, has a 3-hour UL fire rating, fits most doors with its adjustable design, and is built to last with corrosion-resistant steel and a 6-pin brass cylinder. |
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MiLocks Commercial Door Lever Lock, Grade 1 Lockset Cylindrical Lever Industrial Heavy-Duty Locking Door Handles for Office (Passage, Satin Nickel) |
This lock is perfect for offices, schools, hospitals, and other commercial spaces needing secure, easy access. It’s built for high-traffic doors with Grade 1 security, fits left or right swing doors, and works on 1-3/8” to 1-3/4” thick doors. The keyed entry lets you exit fast, while the cylindrical retraction adds safety. |
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Olympus Rekeyable Cam Lock | 1″ Cylinder 915 Key, Keyed Alike | US26D Chrome Cabinet | Grade 1 Lock for Doors & Drawers |
The Olympus Rekeyable Cam Lock is perfect for anyone needing secure, easy-to-install locks for cabinets, doors, or drawers. It’s ideal for homes, offices, schools, or hospitals where durability and simplicity matter. |
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BRINKS Commercial – Single Cylinder Deadbolt Lock, Matte Black Finish – Meets ANSI Grade 1 Standards and has 3-Hour UL Fire Rating |
This BRINKS Commercial Single Cylinder Deadbolt Lock is perfect for anyone needing top-tier security for their home or business, offering unwavering protection with its ANSI Grade 1 rating and 3-hour UL fire rating. It’s an ideal choice for those who prioritize durability and peace of mind with a lock built to last. |
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SUMBIN Commercial Mortise Lock Meet Ansi Grade 1 with Cylinder and Thumbturn for Entry Door |
This commercial mortise lock is perfect for anyone needing a secure, durable entry door lock. It’s ideal for new doors in homes, offices, or businesses. |
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HISAFE Storeroom Grade 1 Commercial Door Locks Heavy Duty Door Lever in Public Buildings, Non-Handed, UL 3 Hour Fire Rated, ADA Compliant, Brass Latch, 2-3/4”Backset, Satin Chrome 26D |
This HISAFE Storeroom Door Lock is perfect for public buildings, schools, hospitals, and commercial spaces needing heavy-duty security and fire safety. Its UL 3-hour fire rating, ADA compliance, and self-locking design ensure safety, ease of use, and lasting performance in high-traffic areas. |
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ULTRALOQ U-Bolt Smart Lock, 5-in-1 Keyless Entry Door Lock with App Control, Keypad Deadbolt, Auto Unlock, Auto Lock, Smart Door Lock, Smart Locks for Front Door, ANSI Grade 1, Black |
The ULTRALOQ U-Bolt Smart Lock is perfect for homeowners who want secure, keyless entry with simple setup and smart features. It offers 5 ways to unlock, app control, auto lock/unlock, voice commands, and meets the highest security standards. |
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Olympus Lock 200DW Deadbolt Lock | 7/8″ Chrome Key Lock US26D | NATL KA915 Keyed Alike | Grade 1 Locks | Vertical Deadbolt | for Drawers |
The Olympus Lock 200DW Deadbolt Lock is perfect for anyone needing secure, easy-to-install locks for drawers. Whether you’re a locksmith, facility manager, or homeowner, this Grade 1 lock offers durability and simplicity. |
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SUMBIN Commercial Heavy Duty Ansi Grade 1 and Fire Rated Mortise Lock for Stainless Steel Door, Entry or Office (F04) |
This heavy-duty mortise lock is perfect for anyone needing reliable security in high-traffic areas. It’s ideal for schools, offices, hospitals, and more. |
Detailed Reviews
Discover expert-vetted, customer-approved picks for the Best Grade 1 Locks—engineered for unmatched durability and security in high-traffic areas. Each lock meets ANSI Grade 1 standards, with fire-rated designs, heavy-duty builds, and effortless access for offices, schools, or homes. From smart keyless systems to industrial deadbolts, find perfect matches in our guide—your trusted source for proven, lasting solutions.
1. MiLocks Grade 1 Commercial Heavy Duty Entry Door Lever, Industrial Cylindrical Lockset with Keys, Satin Nickel Finish, Easy Install for Office High Traffic Areas
Meet the MiLocks Grade 1 Commercial Entry Door Lever. It’s built for heavy-duty use in busy places. This lock offers quick exit and re-entry with its smart keyed entry.
It fits doors from 1-3/8 to 1-3/4 inches thick. Plus, it works on doors that swing left or right.
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Perfect For:
This lock is perfect for busy places like offices, schools, and hospitals. It’s easy to use and very secure, making it great for high-traffic areas.
Ready to Purchase?
2. BRINKS Commercial – Single Cylinder Deadbolt Lock, Satin Chrome Finish – Meets ANSI Grade 1 Standards and has 3-Hour UL Fire Rating
The BRINKS Commercial Single Cylinder Deadbolt Lock is built for top security. It works for both inside and outside doors where safety matters most.
This lock meets high standards with ANSI Grade 1 certification and a 3-hour fire rating. It fits most doors and comes with 2 keys for easy use.
Simple to install, strong against tampering, and made to last. Trust BRINKS for reliable protection.
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Perfect For:
This lock is perfect for homeowners and business owners who need strong security and fire safety. It meets ANSI Grade 1 standards, has a 3-hour UL fire rating, fits most doors with its adjustable design, and is built to last with corrosion-resistant steel and a 6-pin brass cylinder.
Ready to Purchase?
3. MiLocks Commercial Door Lever Lock, Grade 1 Lockset Cylindrical Lever Industrial Heavy-Duty Locking Door Handles for Office (Passage, Satin Nickel)
MiLocks Commercial Door Lever Lock offers Grade 1 Certified security for offices and high-traffic areas. Its keyed entry lets you exit fast and re-enter with ease. The lock fits doors 1-3/8” to 1-3/4” thick, ensuring flexible use.
The lock uses cylindrical retraction for safer, smoother latching. A satin nickel lever adds style and durability while staying easy to grip.
Perfect for offices, schools, or hospitals, it works on both left and right swing doors. Quick installation and heavy-duty design make it reliable for daily use. Choose MiLocks for secure, hassle-free access you can trust.
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Perfect For:
This lock is perfect for offices, schools, hospitals, and other commercial spaces needing secure, easy access. It’s built for high-traffic doors with Grade 1 security, fits left or right swing doors, and works on 1-3/8” to 1-3/4” thick doors. The keyed entry lets you exit fast, while the cylindrical retraction adds safety.
Ready to Purchase?
4. Olympus Rekeyable Cam Lock | 1″ Cylinder 915 Key, Keyed Alike | US26D Chrome Cabinet | Grade 1 Lock for Doors & Drawers
The Olympus Rekeyable Cam Lock is a strong, Grade 1 lock for doors and drawers. It works with a 915 key and is keyed alike for simple use.
This lock has two cams that fit any position: right, left, vertical, or upside down. It’s made of zinc die-cast for long life and comes in four sizes. The field reversible cams work in all handings, making it versatile.
You can rekey this lock to match other Olympus N series locks. It includes straight and offset cams and an anti-rotation plate for easy setup. Trusted in schools, hospitals, and more, it offers reliable security with zero hassle.
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Perfect For:
The Olympus Rekeyable Cam Lock is perfect for anyone needing secure, easy-to-install locks for cabinets, doors, or drawers. It’s ideal for homes, offices, schools, or hospitals where durability and simplicity matter.
Ready to Purchase?
5. BRINKS Commercial – Single Cylinder Deadbolt Lock, Matte Black Finish – Meets ANSI Grade 1 Standards and has 3-Hour UL Fire Rating
Brink’s Commercial Single Cylinder Deadbolt Lock meets ANSI Grade 1 standards. It has a 3-hour UL fire rating for safety. The lock works on doors 1-3/8” to 2” thick.
The adjustable latch fits 2-3/8″ or 2-3/4″ backsets. It’s built with corrosion-resistant steel and a 6-pin SC4 brass cylinder for strong security.
This lock includes 2 keys and fits most residential and commercial doors. Saw-resistant latch and anti-pry collar add extra protection.
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Perfect For:
This BRINKS Commercial Single Cylinder Deadbolt Lock is perfect for anyone needing top-tier security for their home or business, offering unwavering protection with its ANSI Grade 1 rating and 3-hour UL fire rating. It’s an ideal choice for those who prioritize durability and peace of mind with a lock built to last.
Ready to Purchase?
6. SUMBIN Commercial Mortise Lock Meet Ansi Grade 1 with Cylinder and Thumbturn for Entry Door
Upgrade your entry door with the SUMBIN Commercial Mortise Lock, built to ANSI Grade 1 standards for unmatched security. This lock boasts a 1,000,000 cycle lifespan, ensuring long-lasting performance.
It features a reversible latch bolt and a 1″ extension deadbolt for added protection. The durable stainless steel lever handle is comfortable to use. This lock is perfect for new doors and doors 45mm to 50mm thick.
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Perfect For:
This commercial mortise lock is perfect for anyone needing a secure, durable entry door lock. It’s ideal for new doors in homes, offices, or businesses.
Ready to Purchase?
7. HISAFE Storeroom Grade 1 Commercial Door Locks Heavy Duty Door Lever in Public Buildings, Non-Handed, UL 3 Hour Fire Rated, ADA Compliant, Brass Latch, 2-3/4”Backset, Satin Chrome 26D
The HISAFE Storeroom Grade 1 Commercial Door Lever is heavy-duty and secure. It’s ANSI/BHMA Grade 1 Certified and UL Listed for 3-hour fire protection. Perfect for public buildings, it’s ADA Compliant and built to last.
This storeroom lever locks automatically when the door closes. The outside lever is fixed, allowing key entry only. The inside lever stays unlocked for emergency exits.
Made of zinc alloy, stainless steel, and brass, it’s durable. The satin chrome finish adds a sleek look. Fits left and right doors and works with 2-3/4” backsets.
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Perfect For:
This HISAFE Storeroom Door Lock is perfect for public buildings, schools, hospitals, and commercial spaces needing heavy-duty security and fire safety. Its UL 3-hour fire rating, ADA compliance, and self-locking design ensure safety, ease of use, and lasting performance in high-traffic areas.
Ready to Purchase?
8. ULTRALOQ U-Bolt Smart Lock, 5-in-1 Keyless Entry Door Lock with App Control, Keypad Deadbolt, Auto Unlock, Auto Lock, Smart Door Lock, Smart Locks for Front Door, ANSI Grade 1, Black
The ULTRALOQ U-Bolt Smart Lock is a 5-in-1 keyless entry system for your front door. It combines a keypad, smartphone app, auto unlock, smart watch app, and mechanical keys for easy access. This lock is ANSI Grade 1 certified, ensuring top security and durability.
It works with Alexa, Google Assistant, SmartThings, and IFTTT. The auto lock and unlock features add convenience. You can share ekeys and track access logs via the app.
Installation is DIY-friendly and takes just 10 minutes. It fits most US standard doors and comes with a lifetime mechanical guarantee. Enjoy 24/7 support for peace of mind.
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Perfect For:
The ULTRALOQ U-Bolt Smart Lock is perfect for homeowners who want secure, keyless entry with simple setup and smart features. It offers 5 ways to unlock, app control, auto lock/unlock, voice commands, and meets the highest security standards.
Ready to Purchase?
9. Olympus Lock 200DW Deadbolt Lock | 7/8″ Chrome Key Lock US26D | NATL KA915 Keyed Alike | Grade 1 Locks | Vertical Deadbolt | for Drawers
Olympus Lock 200DW is a 7/8” chrome key lock for drawers. It has a Grade 1 rating and uses a solid brass cylinder for lasting use. The lock is easily rekeyable with a set screw, and comes with 2 keys and mounting parts.
This lock works in airports, schools, hospitals, and more. It offers strong security and simple installation for drawers or cabinets. The zinc die-cast body and vertical deadbolt ensure reliable performance.
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Perfect For:
The Olympus Lock 200DW Deadbolt Lock is perfect for anyone needing secure, easy-to-install locks for drawers. Whether you’re a locksmith, facility manager, or homeowner, this Grade 1 lock offers durability and simplicity.
Ready to Purchase?
10. SUMBIN Commercial Heavy Duty Ansi Grade 1 and Fire Rated Mortise Lock for Stainless Steel Door, Entry or Office (F04)
SUMBIN Commercial Heavy Duty Mortise Lock is Grade 1 certified, UL listed, and fire rated for 3 hours. It’s built for stainless steel doors in offices, apartments, or entryways. This lock meets ADA standards and handles over 1,000,000 cycles of use.
The lock offers custom trims and finishes to match any space. Easy installation comes with a template and all needed hardware. Just grab a screwdriver to set it up quickly.
This mortise lock suits high-traffic areas like schools, hospitals, or hotels. It’s trusted by managers, contractors, and property owners. Durable stainless steel and non-handed design ensure long-term reliability.
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Perfect For:
This heavy-duty mortise lock is perfect for anyone needing reliable security in high-traffic areas. It’s ideal for schools, offices, hospitals, and more.
Ready to Purchase?
Buying Guide
Grade 1 locks are the toughest and most reliable options for securing your space. Whether it’s for a busy office, a public building, or your home, these locks are built to last and keep you safe. We’ve gathered the best Grade 1 locks to help you find the perfect fit.
Buying a Grade 1 lock is a smart choice for top-notch security. Here’s what to consider to make the best decision:
- Security Standards: Look for ANSI Grade 1 certification, which ensures the lock meets the highest security standards.
- Durability: Choose locks made from sturdy materials like stainless steel or zinc alloy for long-term use.
- Fire Rating: Opt for locks with a 3-hour fire rating for added safety in emergencies.
- Door Compatibility: Check if the lock fits your door thickness and swing direction (left or right).
- Ease of Installation: Pick locks with simple installation processes, often requiring just a screwdriver.
- Key Features: Decide between keyed entry, keyless options, or smart locks with app control.
- Finish and Design: Select a finish like satin nickel or matte black that matches your space’s style.
- ADA Compliance: Ensure the lock meets ADA standards if accessibility is a priority.
- Warranty and Support: Look for locks with lifetime guarantees and 24/7 customer support for peace of mind.
With these factors in mind, you’ll find the perfect Grade 1 lock to keep your space secure and stylish.