Door Bolts

Door bolts are pieces of hardware which are used to secure an opening or doorway. They are fitted onto doors, gates and windows to close them securely. They usually consist of a sliding rod which, when slid across into a receiving plate, prevents the door from opening. Door bolts often have the ability to add a padlock for additional security.

Door bolts are also known as gate bolts, flush bolts, sliding bolts or barrel bolts. They are most commonly made from brass, steel and aluminium. Find out more in our Door Bolts Buying Guide.

Types of door bolts

  • Sliding Bolts - These bolts have a catch which they slide into, which can be mounted to the frame to secure access. Sliding bolts are fixed by screws, offering an easy installation option with minimal damage to the material underneath. Some of these bolts will be padlockable and some will also have combination locking available.
  • Barrel Bolts - Barrel bolts are similar to sliding bolts. The barrel bolt lock has two main parts: a sliding metal bar and a catch plate. The catch plate is mounted on the door frame opposite the sliding metal bar or bolt. The bolt slides inside the opening of the catch, which physically blocks the door from being opened until the bolt is retracted. Most barrel bolts have a round bolt but there are models that have a flat sliding bar. These bolts are used frequently on stable doors. Barrel bolts can be installed both horizontally and vertically so they are useful for sheds and storage units as well as doors and gates.
  • Flush Bolts - Commonly used on French doors where one of the doors is inactive for most of the time but the other door closes and locks into it. The hinges are on the outside and the doors lock in the centre. Flush door bolts are recessed into the door edge and slide upwards or downwards into the jamb to secure the door.
  • Necked Bolts - Sometimes referred to as cranked bolts, necked bolts feature a raised end on the bolt. This neck fits into a receiving plate which is mounted at a different level to the main bolt.

Where are door bolts used?

Door bolts are used on both internal and external doors. For example, bathroom doors, cupboard doors, garden gates and shed doors. Door Latches are a similar alternative for securing a door.


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Description Price Material Padlockable Dimensions Length Width
RS Stock No. 512-6034
Mfr. Part No.RSCOMBI-4
BrandSquire
HK$271.25
Each
units
Steel No 120 x 50mm 120mm 50mm
RS Stock No. 278-398
Mfr. Part No.TL-05-100-07 + TL-05-117-07 +
HK$24.75
Each (In a Pack of 10)
units
Steel Yes 55 x 11.5mm 55mm 11.5mm
RS Stock No. 751-269
BrandRS PRO
HK$109.02
Each
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Steel Yes - 150mm -
RS Stock No. 368-2891
BrandRS PRO
HK$220.55
Each (In a Pack of 2)
units
Brass No 103 x 34mm 102mm 34mm
RS Stock No. 751-247
BrandRS PRO
HK$114.41
Each
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Steel Yes - 215mm -
RS Stock No. 808-7036
Mfr. Part No.RS Keybolt
BrandSquire
HK$356.66
Each
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Steel - 135 x 68 x 30mm 135mm 68mm
RS Stock No. 751-275
BrandRS PRO
HK$116.73
Each
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Steel Yes - 250mm -
RS Stock No. 407-7183
Mfr. Part No.16-A-3631
BrandPinet
HK$125.87
Each (In a Pack of 2)
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Steel Yes 73 x 70mm 73mm 70mm
RS Stock No. 751-281
BrandRS PRO
HK$62.53
Each
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Steel - - 100mm -
RS Stock No. 752-149
Mfr. Part No.2210-5100CA
HK$115.09
Each
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Steel Yes 67 x 42.8mm 67mm 42.8mm
RS Stock No. 434-9573
BrandRS PRO
HK$84.57
Each
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Stainless Steel Yes 152mm 152mm -
RS Stock No. 751-231
BrandRS PRO
HK$197.85
Each
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Steel - - 300mm -
RS Stock No. 434-9753
BrandRS PRO
HK$71.07
Each
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Stainless Steel Yes 101mm 101mm -
RS Stock No. 893-8629
BrandRS PRO
HK$48.63
Each
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Steel - - 300mm -
RS Stock No. 893-8631
BrandRS PRO
HK$34.51
Each
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Steel - - 150mm -
RS Stock No. 893-8685
BrandRS PRO
HK$48.94
Each
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Steel - - 200mm -
RS Stock No. 893-8666
BrandRS PRO
HK$41.85
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Brass - - 50mm -
RS Stock No. 893-8635
BrandRS PRO
HK$36.22
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Steel - - 150mm -
RS Stock No. 894-6746
BrandRS PRO
HK$127.99
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Steel - - 300mm -
RS Stock No. 893-8590
BrandRS PRO
HK$26.67
Each
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Steel - - 150mm -