Philippines

Grip Anchor / Drop in Anchor

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A Drop-In Anchor is a type of mechanical anchor that is used to attach objects to concrete or other solid surfaces. It is made up of several components that work together to provide a secure attachment point.

The main component of a Drop-In Anchor is the threaded tubular sleeve, which is typically made of steel or stainless steel. The sleeve has internal threads that allow a bolt or other threaded fastener to be inserted and secured in place.

To install a Drop-In Anchor, a hole must first be drilled in the concrete or other surface using a hammer drill or other rotary tool. The hole should be slightly larger in diameter than the sleeve to allow for easy insertion.

Once the hole is drilled, the sleeve is inserted into the hole until it is flush with the surface. A bolt or other fastener is then inserted into the sleeve and tightened to secure the object to the surface.

The final component of a Drop-In Anchor is the conical expander plug. This is a tapered plug that is inserted into the end of the sleeve and then hammered into place using a setting tool. As the plug is hammered in, it expands and grips the sides of the hole, creating a secure anchor point for the sleeve.

Drop-In Anchors are commonly used in a variety of construction and industrial applications, including the installation of handrails, guardrails, machinery, and other fixtures. They are designed to provide a strong, reliable attachment point that can withstand heavy loads and vibrations over time.


Drop-In Anchors are typically used in conjunction with threaded bolts or other fasteners, as the internal threads of the anchor sleeve allow for easy insertion and tightening of the bolt. The bolt can then be used to secure a wide range of objects to the concrete or other hard surfaces, such as heavy equipment, machinery, signs, and guardrails.

Drop-In Anchors can also be used with other types of threaded fasteners, such as threaded rods or studs, depending on the specific application and load requirements. The key is to ensure that the fastener and anchor are compatible and rated for the expected load and conditions.


Drop-In Anchors are commonly used in a variety of construction and industrial applications where a strong, reliable anchor point is required. Here are some common uses of Drop-In Anchors:

  1. Handrails and guardrails: Drop-In Anchors are often used to secure handrails and guardrails to concrete or other hard surfaces.

  2. Machinery and equipment: Drop-In Anchors can be used to anchor heavy machinery and equipment to the floor or wall, ensuring that they remain securely in place even under heavy loads.

  3. Signs and banners: Drop-In Anchors can be used to attach signs and banners to concrete or other surfaces, making them ideal for outdoor advertising and directional signage.

  4. Shelving and racking: Drop-In Anchors can be used to anchor shelves and racking systems to concrete floors or walls, providing a stable and secure storage solution.

  5. Structural steel: Drop-In Anchors can be used to secure structural steel to concrete or other surfaces, helping to provide stability and support in building and bridge construction.

  6. Electrical and plumbing fixtures: Drop-In Anchors can be used to anchor electrical and plumbing fixtures to concrete or other surfaces, providing a secure attachment point for pipes, conduit, and other components.

Overall, Drop-In Anchors are a versatile and reliable option for a wide range of construction and industrial applications where a strong, durable anchor point is required.

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