The drop bolt is available in hot dip galvanized or epoxy black finish for long-lasting durability. The drop bolt is constructed with high-quality, heavy-duty materials for maximum strength and security.
eBay
25 Pcs/Set Door Handle Screws - Through Fixing Bolts for Door Handle Roses, Knobs & Door Lock Metal Hardware
Aliexpress UK
They are easy to install and simple to use. A toothed hole in the lock is operated by a standard star key (supplied), which allows the smooth opening and closing of the bolt. A strong and robust bolt made from solid steel.
eBay
Concealed Wooden Door Locks Single Double-Sided Home Security Privacy Latches for Bedroom Hallway Auxiliary Hidden Door
Aliexpress UK
Model: 70mm lock cylinder length. 🔐Added security:made with 6 pin lock barrels. Ideal to be used as an extra shed or patio door security. Supplied with 5 keys in the box. 🔐Heavy Duty Long Throw Gate Lock: Protect your wooden garden gates, sheds and doors with this long throw gate lock.
eBay
Vintage Mute Bedroom Mortice Door Handle Security Lock Split Silent Lock Interior Door Furniture
Aliexpress UK
The housing unit, with a nickel plated collar, neatly holds the steel shaft and spring. With patented designs, this barrel bolt is unique, requiring no screws to secure the housing unit resulting in a 3-step quick and easy DIY installation.
eBay
Interior Door Bolt Luminous Bolt old-fashioned Surface-mounted Room Roor Latch 90 Degree Heavy-duty Lock
Aliexpress UK
Dead Bolt Lock with or without Key. Steel rack bolt with or without key. Option to buy just a spare key. Strike plates and fixings included.
eBay
304 Stainless Steel Hidden Door Handle Lock Keyless Recessed Door Lock Single Cylinder Deadbolt Invisible Lock for Furniture
Aliexpress UK
Compact Design - Our security door chains have a compact design that doesn't take up much space on your door, which makes them an ideal security option for people with limited space. GREAT VALUE PRODUCTS that don’t break the bank.
eBay
Door Hinges Gap Adjusting Wrench 9-17.5MM/18-24.5MM Door Hinge Repair Spanner for Round Bolt Adjustable Wrench Tools
Aliexpress UK
PREMIUM Gatemate® Security Long Throw Bolt - Keyed & Lockable Both Sides. Made with 6 pin lock barrels. Ideal to be used as an extra shed or garden security. Shoot bolt on the lock is manufactured from 316 stainless steel for superior corrosion resistance.
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10pcs Door Bolt Exposed Spring Plastic Automatic Button Latch Door Chain Latch For Furniture Hardware
Aliexpress UK
1 x YALE DOOR SECURITY BOLT (RACK BOLT) IN BRASS FINISH WITH 1 x LEGGE SPLINED KEY. A VERY HIGH QUALITY RACK BOLT. KEY OPERATED CONCEALED DOOR BOLTS. DOOR BOLTS IS CONCEALED WITHIN THE DOOR AND LOCK CAN ONLY BE OPERATED FROM THE INSIDE.
eBay
20 or 10pcs M4 Door Handle Fixing Screw Bolts Snap Off Cuttable Connecting Screws for Door Knob Handle Locks Hardware 45mm-110mm
Aliexpress UK