factory direct sales american-style coring expansion screw

Changxun Metal 3yr.

Contacts:Li Yuzhe Chat

Mobile:86-13103006557

E-mail:Fasteners, metal products, screws, nuts, bolts, washers, expansion screws

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Description

Packaging information

CTN Size: 10 × 10 × 10 cm

G.W./CTN:1 kg

QTY/CTN:1 piece/carton

Product Structure and Principle

It is composed of a screw rod, a plastic core, and an expanding sleeve. When installing, a hole is drilled with an electric drill, the screw is inserted into the hole, and then the screw rod is struck to cause the plastic core to expand within the expanding sleeve, thereby firmly fixing it in the hole, achieving the purpose of tightening.

Product Features

Easy to installIt can be fixed simply by inserting and striking after drilling, without the need for complex installation tools or operations. Compared to conventional expansion screws, it can save installation time and labor costs.
Applicable scope wideSuitable for a variety of building materials, such as reinforced concrete, hollow bricks, hollow brick slabs, natural stones, lightweight bricks, gypsum boards, fiberboards, etc.
Fixed force is strongBy adopting the principle of expansion, it can provide strong fixing force, which can be used to fix various heavy equipment, objects, or structures, ensuring that they will not loosen or shift during use.

Specification Model

Common specifications include diameters of 6mm, lengths of 30mm-80mm, and diameters of 8mm, lengths of 50mm-100mm, and so on. For example, 6".30、640、650、660、680、850, 860, 870、880、8100 and so on.

Material and Surface Treatment

Usually made of Q235 carbon steel, it has good strength and toughness, capable of withstanding certain tensile and shearing forces. The surface is generally zinc-plated to enhance the corrosion resistance of the screws, prolonging their service life, making them suitable for various harsh environmental conditions.1。

Application field

the field of architectureUsed for the fixed installation of equipment such as lighting, piping, air conditioning units, fire equipment, exhaust fans, ceilings, signs, billboards, and plug-in boxes.
Machinery and Equipment IndustryCan be used for fixed conveyor belts, the installation of synthetic material positioning and supporting structures.
Furniture Manufacturing IndustrySuitable for the combination and connection of furniture such as fixed tables and chairs.

Update time：20250707140743