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Have Query ? Reach Out Us!
03 Oct , 2026
Ferry International supplies through bolts for concrete fixing in bulk and project quantities. Its FERRY Through Bolt is described as a wedge-anchor-type mechanical anchor for secure fixing in solid concrete. The supplied product information identifies applications including base plates, railings, cable trays, HVAC ducting, structural steel, machinery and industrial frames. View the FERRY Through Bolt product information for the current product description and enquiry options.
For a technically suitable quotation, provide the concrete condition, fixture dimensions, required diameter and length, expected load, installation environment, finish and quantity. A through bolt should not be selected on nominal diameter alone: the anchor, fixture, embedment, substrate and installation method must work together.
The FERRY Through Bolt is presented as a mechanical expansion anchor installed through the fixture and tightened inside a drilled hole. The supplied product excerpt states that it is intended for solid concrete with a minimum stated concrete strength of 20 N/mm². It also describes a drill, insert and tighten installation sequence.
This makes the product relevant to buyers sourcing mechanical fixings for suitable solid-concrete applications, including:
The product excerpt does not provide a complete design table for every concrete class, edge distance, spacing condition, cracked or uncracked concrete condition, or load direction. Those points should be confirmed against the project design and the manufacturer’s current technical documentation before approval.
According to the supplied Ferry International product excerpt, the through bolt is described as having a mechanical expansion mechanism intended to transfer load into the concrete and resist anchor slippage under stated conditions. The same excerpt lists the following material and finish options:
Finish selection depends on exposure, humidity, chemicals, temperature, contact with dissimilar metals and the project specification. “Corrosion-resistant” should not be treated as a universal service-life guarantee. Request confirmation of the exact material, coating thickness or applicable finish standard when the fixing will be used outdoors, in coastal conditions or in an industrial environment.
The supplied product page lists through bolt configurations from M6 to M20. The excerpted table includes the following combinations of nominal size, bolt length, thread length, fixture-hole diameter, minimum substrate thickness and recommended torque:
| Nominal size | Listed bolt lengths | Thread length shown | Fixture-hole diameter shown | Minimum substrate thickness shown | Recommended torque shown |
|---|---|---|---|---|---|
| M6 | 50 mm | 14 mm | 9 mm | 100 mm | 15 Nm |
| M8 | 65, 80, 115 mm | 25, 40, 65 mm | 9 mm | 100 mm | 15 Nm |
| M10 | 65, 80, 95, 115, 130 mm | 22, 30, 45, 65, 80 mm | 11 mm | 100 mm | 25 Nm |
| M12 | 80, 100, 120, 135, 150 mm | 30, 40, 60, 75, 90 mm | 13 mm | 100 mm | 45 Nm |
| M16 | 105, 140, 180, 220 mm | 55, 60, 100, 140 mm | 18 mm | 130 mm | 110 Nm |
| M20 | 125, 160, 200, 300 mm | 65, 65, 100, 100 mm | 22 mm | 160 mm | 180 Nm |
Important: The table above is a careful rendering of the values visible in the supplied product excerpt. The source also states that measurements are subject to tolerances. Confirm the current drawing, tolerance, drilling diameter, effective embedment, minimum edge distance, tightening procedure and recommended torque with Ferry International before issuing an installation instruction or purchase order.
Through bolts are suitable for projects that require a mechanical fixing into an appropriate solid-concrete base and where the fixture can be drilled through before tightening. The Ferry International product excerpt specifically lists structural, industrial and commercial uses rather than presenting the anchor as a universal fixing for every substrate.
For base plates, structural steel, machinery and industrial frames, the buyer should provide the fixture thickness, anchor layout, design load, vibration conditions and concrete information. These details are needed to assess whether the selected diameter and embedment are appropriate.
The listed applications include HVAC ducting, cable trays and pipe supports. For suspended services, coordinate the anchor with the support system, rod or bracket, service weight, installation spacing and any project-specific fire, seismic or vibration requirements. The product excerpt does not establish a universal safe working load for these applications.
Railings, guard rails and façade supports may experience tension, shear, vibration and environmental exposure. Select the finish and anchor arrangement from the project engineering requirements rather than relying only on the product’s nominal size.
Include the following information in an RFQ so the supplier can respond with a relevant product configuration:
For design-critical applications, request the current technical datasheet and any relevant test or approval documentation for the exact size, material and installation condition. Do not substitute a different finish or size without technical approval.
Ferry International’s supplied product information presents the through bolt as a bulk-order product for construction, infrastructure, industrial, HVAC and commercial buyers. Procurement teams can use the product page to request pricing and technical details, while the broader fixing-anchor range can help buyers compare through bolts with other anchor types.
For a project quotation, send the required size or application, quantity, material and finish, concrete information, fixture details and delivery location. Ferry International’s company profile identifies its base in Tronica City, Ghaziabad, Uttar Pradesh, India, and its website provides a contact route for enquiries. Minimum order quantities and final availability should be confirmed directly for the specific requirement.
Need through bolts for a concrete-fixing project? Send your requirements for a bulk quotation, including size, quantity, finish, application, substrate and destination. Ferry International can then confirm the suitable product details, commercial terms and any technical information available for the requested configuration.
Get in touch with Ferry International to request product details and a project quotation.
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Ferry International — bulk anchor bolt manufacturer from Ghaziabad, U.P., since 1957. We produce ASTM & IS-compliant Shield Anchors, Through Bolts, Drop-in Anchors, J-Hook Anchors, Eye Hook Anchors, Brass Anchors, and pipe clamps for construction, oil & gas, power, marine, solar, and infrastructure. Bulk RFQs only. ISO 9001:2015 | ZED Bronze | UDYAM Registered.
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