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Tension Control Shear Bolts Wholesale

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Tension Control Shear Bolts Manufacturers

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Introduction

Tension Control (TC) Shear Bolts, commonly used in structural steel construction, are designed for guaranteed, consistent pre-load application. The system consists of a round head bolt, a nut, and a washer, all tightened using a specialized electric shear wrench. The bolt's splined end shears off when the precise tension is reached, providing a visual and mechanical confirmation that the joint has achieved the required clamping force, ensuring safety and compliance on critical construction projects.

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Specification

Type

Tension Control (TC) Bolt Assembly
Standard

ASTM F1852 / F2280 Equivalent (often HDG or plain)
Components

Bolt (splined end) + Nut + Washer
Installation

Electric Shear Wrench (one-tool system)
Key Feature

Visual Confirmation of Pre-load

Applications

  • High-Rise Construction: Used for quick and reliable joining of structural steel members.

  • Bridge Girders: Essential for critical load-bearing joints in bridge assembly.

  • Seismic Zones: Preferred in areas requiring highly consistent and traceable bolt tensioning.

  • Industrial Facilities: Used in large, prefabricated steel structures.

Advantages

  • Guaranteed Tension: The shearing action ensures the precise tension is achieved every time, regardless of installer skill.

  • Speed of Installation: One worker can install TC bolts rapidly using a single specialized tool.

  • Improved Safety: Eliminates the need for traditional turn-of-nut or torque calibration methods, simplifying inspection.

  • Reduced Inspection Costs: Inspection merely requires verifying the spline has sheared off.

Payment & Shipping

TC bolts are high-value structural components. We require a TT payment upon shipment for construction contracts. Assemblies are packaged in durable, clearly labeled crates, grouped by project phase, and shipped to meet construction site timelines.

FAQ

  • Q: Is a torque wrench needed to install TC bolts?
  • A: No. TC bolts are installed using a proprietary electric shear wrench, which has a double socket. The outer socket holds the nut stationary, and the inner socket turns the spline. The tool automatically shears the spline off when the required pre-load is met; a separate torque wrench is not used for final tightening.
  • Q: Can TC bolts be reused?
  • A: No. Once the spline has been sheared off during installation, the bolt cannot be tightened again, nor can the same assembly be used in a new joint. They are single-use structural fasteners.

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Steady-Ind

Steady-Ind - Pursue quality and cast high-quality goods.

STEADY manufactures over a thousands different types of blind rivet nut in steel,aluminium and stainless steel,thread size from M3-M16 in metric and UNC #6-32 to UNC 1/2-13 in inch. High advantage in stainless steel blind rivets both for open and sealed type, mutigrip,monobolt and other structural rivets. As China Tension Control Shear Bolts Manufacturers and Tension Control Shear Bolts Factory, we focus on "one stop shopping" and with advantage of large production capacity , consistent quality, competitive prices, punctual delivery and goods serverices before and after sales, STEADY has become one of the leading blind fasteners manufacuture & supplier in Asia.

About Us Steady-Ind
Recommended LINS: High Tensile Structural Bolts 10.9 Full Thread Grade 8.8 Hex Bolts Stainless Steel 316 U-Bolts High Strength Wind Turbine Bolts