Barrel bolts are popularly called as tower bolts that are fitted in a cylindrical casing. Barrel bolts are lock mechanism that functions by sliding to provide security to doors of average weight. Apart from being used on doors they can also be used on windows and are available with surface or universal strikes.
For single leaf doors and passive leaf of double doors, barrel bolts are more suitable. Places where high level of physical security is required, these bolts are used. Thus not only residential houses but also industrial and commercial places utilize these bolts for providing physical security.

Features of Barrel Bolts

Following are the features of barrel bolts:

• They come in various sizes and materials.
• Barrel bolts are available with surface or universal strikes.
• There are two options for choosing barrel bolts- plain and decorative.
• Some barrel bolts have spring action to hold bolt in place however some bolts are lockable.
• These bolts can be installed easily and are available in different ranges of sockets.

Types of Barrel Bolts

On the basis of sizes, weights and mechanism, barrel bolts can be classified into following types:

• Pad Lockable Barrel Bolts
• Mini Barrel Bolt
• Spring Loaded Barrel Bolt
• Heavy Duty Barrel Bolt
• Push Barrel Bolt
• Barrel Bolt with Sash Chain
• Decorative Barrel Bolts

Buying Tips Before purchasing barrel bolts you should consider following points: The operation should be smooth. You should enquire the materials from which they are constructed. Different types of doors require different types of barrel bolts. You must clearly specify that whether you require barrel bolts for heavy duty doors or medium doors. There are different types of barrel bolts like spring loaded barrel bolts, push barrel bolts etc. What exactly is your demand you should specify in a clearer terms. The materials resistant to corrosion should be clearly enquired. Before purchasing the barrel bolt ensure that you are also supplied with related screws. You can also ask for the manuals from the supplier regarding installing and maintenance of barrel bolts.

Materials Used in Barrel Bolts

Wide range of materials are used for forging barrel bolts. Materials commonly used for constructing barrel bolts are:

• Brass
• Zinc
• Aluminum
• Steel
• Bronze Iron

Finishes on Barrel Bolts

Barrel bolts are given finishing touch through various materials to add gloss, style and durability. Finishes that are used popularly are:

• Satin Black
• Polished Chrome
• Polished Brass
• Polished Nickel
• Chrome Plated
• Antique Brass
• Lacquered Brass
• Brushed Nickel
• Antique Brass
• Oil Rubbed Bronze
• Satin Chrome
• Burnished Antique
• Satin Nickel
• Antique Nickel
• Florentine Plated