Best Aluminum Lock Bolts in 2026

SECONDARY SECURITY LOCKING DEVICE – This Defender Security U 9846 Patio Sliding Door Loop Lock can be used on a patio sliding door as a secondary security lock for increased home safety..Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.

CHILD-SAFE SECURITY DEVICE - This door loop lock can also be installed out of reach of children so they cannot open the door by themselves, providing additional child-safe door security.

EASY INSTALLATION - Installation is quick and easy – additional security for your home or office doors are within reach! Installation fasteners are included.

Home Security & Toddler Proof: Swing bar door locks are security locking devices for swing-in doors, allow people inside the room to open the door few inches for identification or ventilation while providing privacy and security for guests and residents. Door latches also can be installed out of children’s reach so they can’t open the door by themselves, providing additional child-safe door security. NOTICE: Compatible with most wooden doors and molding when door is flush with door jamb

Durable Construction: Door latches are constructed from premium solid aluminium alloy with beautiful polishing and finish to complement your lovely home decor. Door locks are difficult to rust or oxidize and will serve longer life. Ultra-thick swing arm and solid lock base ensure strong and durable quality, and resist up to 600 lbs force. Home security door lock can be unlocked easily from the inside with simple swinging motion, while too strong to be forced open from the outside

Advanced Craft Features: CRANACH Home security door latch lock features steel ball positioning which is a unique locking design that holds locking arm in place so they will not swing around for extra security. The countersunk hole design makes the security guard lock noble and elegant. A must-have door stoppers security bar for every home

New strike plate design for residential doors that no longer latch closed.

Easy to Install. No chiseling or grinding. Only a screwdriver needed.

Unique design provides additional vertical and horizontal latch space.

Traditional Yale nightlatch trusted by millions of homeowners with convenient knob to operate lock inside the property

Internal snib button is used to engage the deadlock or temporarily hold back the latch bolt

Includes Yale rim cylinder operated by key from the outside with standard security components

3-Inch Satin Nickel Surface Bolt

2 Keepers For Surface Mount Or Mortise Installation

Bolt Surface Mounts To Face Of Door

KEEP YOUR HOME SAFE – Designed to withstand 800 lbs. of force, this door guard reinforcement lock helps to prevent doors from being kicked in, increasing your home security, and keeping you and your family safe!

EASY INSTALLATION – The included 3” hardened screws make installation a breeze – extra security and peace of mind can be achieved in just minutes!

ADDITIONAL HOME SECURITY - Use this high security door reinforcement lock for additional home security only on swing-in door of any thickness door guardian. It helps to ensure any door cannot be opened from the outside.

1. Manufactured from SUS-304 Stainless Steel die-cast;With truly excellent Brushed Nickel finish--- aesthetically pleasing appearance which is peculiar to SUS-304#SS Door Chain Lock

2. Extra-thick: 3 mm , Heavy Duty Chain Latch for Inside Door, 100% durable.

3. Lock length=13 cm (about a 4.5" Phone length), width=3.5cm, height=0.8cm; Chain length=14cm

This chain Door guard is a security locking device that allows doors to slightly open for safe viewing and ventilation

All components come in a beautiful, corrosion resistant, satin nickel-plated finish

Designed for use on hinged entry doors that swing inward, into the dwelling

✅ Strengthened With Steel Jack N’ Drill Chain Door Guards with Lock are made of reinforced steel for maximum strength and long-term use. It will take a ton of force to break it open from the outside.

✅ Child Safe And Pet Friendly Protect your family with an extra locking device for front and interior doors. Use it to baby-proof your space or for small pets to get in and out of the house safely.

✅ Trouble-Free Installation Just measure, mark and fix! All you will need is a drill and a few minutes to spare. Our door chain locks come with screws and instructions for everyone’s convenience.

✅ Strengthened With Steel. Jack N’ Drill Chain Door Guards with Lock are made of reinforced steel for maximum strength and long-term use. It will take a ton of force to break it open from the outside.

✅ Child Safe And Pet Friendly. Protect your family with an extra locking device for front and interior doors. Use it to baby-proof your space or for small pets to get in and out of the house safely.

✅ Trouble-Free Installation. Just measure, mark and fix! All you will need is a drill and a few minutes to spare. Our door chain locks come with screws and instructions for everyone’s convenience.

1.A Sturdy Door Security Latch: Made of Thickened 304 Stainless Steel-- High Quality-- Protecting you and your families

2.Easy to use : Concealed & Barrel Slide Door Bolt Lock, Closed side panels, Spring tension lever action

3. Size : Length=10"(25cm), Width=3/4"(2cm), Depth = 5/8"(1.7cm)

1.A Sturdy Door Security Latch: Made of Thickened 304 Stainless Steel-- High Quality-- Protecting you and your families

2.Easy to use : Concealed & Barrel Slide Door Bolt Lock, Closed side panels, Spring tension lever action

3. Size : Length=6"(15cm), Width=3/4"(2cm), Depth = 5/8"(1.7cm)

Childproof Door Reinforcement Lock: You can installed it in the place that out of children's reach so that they cannot open the door by themselves, provide additional child safety door security. Note: the latch guard clasp compatible with most wooden doors that open inwards, molding when the door is flush with door jamb, the height difference is not more than 0.4IN.

Home Reinforcement Lock: The swing bar door locks are safety lock device for swing-in doors, 3.9 inch hinged bar fold over the closed door to engage the catch, allow room personnel to open a few inches of door for identification or ventilation, adding extra privacy and security to guests and residents.

Safety and Lovely Home Ddecor: The rocker door lock is suitable for homes, offices, hotels, motels and other places that need limit door opening and door security, easy to unlock from inside in an emergency, not easy to be forced open from the outside.good defender security door lock for kids.

Easy to install- Convenient and easy to use- Locks and unlocks with your foot- No stooping over!!

Hardened steel bolt securely locks sliding doors in closed or ventilating position

Can be installed on left handed and right handed sliding doors

IDEAL APPLICATION - This stylish surface mount door latch is ideal for out-swinging metal and wood doors 0.75”-1.25” thick. The door handle is non-handed for left or right-handed doors.

NO LOCK OUT - Includes a Night latch that features “No Lock Out” technology, eliminating the worry of accidentally locking yourself out.

DURABILITY - Quality and durable construction ensures reliable everyday use on your storm or screen door.

1. Integrating function and decoration, adopting advanced casting technology, the appearance is simple and smooth, and exquisite

2. After half a million fatigue tests, no parts were damaged or defective, and passed the test of China national testing center

3.suitable for all kinds of high-grade places, all kinds of doors and Windows cupboard door general

Convenient: Narrow chain holder maintains chain in stationary position when door guard is not in use eliminating marring of door/frame caused by dangling chain

High Quality: Chain is enclosed in a weather proof cloth sleeve. Protect your belongings from being scratched while extending the life of the chain. Protects chain from being sawed or drilled.

Sturdy Material: Chain Door Guard Constructed from high quality Stainless Steel, ensuring quality and longevity