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J-Bolts Manufacturers

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Introduction

J-Bolts are anchoring fasteners characterized by their distinctive 'J' shape鈥攁 hook on one end and threads on the other. They are primarily used as anchor bolts embedded in fresh concrete foundations to secure structural steel columns, equipment, or heavy wooden frames. The hooked end secures the bolt within the concrete, providing pull-out resistance, while the threaded end allows for the attachment and leveling of the component using a nut and washer. They are also used for hanging piping or structural elements from overhead beams.

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Specification

Shape

Hooked End (J-Shape)
Material Options

Low Carbon Steel, Medium Carbon Steel (Grade 55)
Finish Options

Plain, Hot Dip Galvanized (HDG)
Key Use

Concrete Anchoring (Cast-in-Place)
Standard

ASTM F1554 Grade 36 or 55

Applications

  • Structural Column Anchoring: Securing the base plates of pre-engineered or structural steel columns to the foundation.

  • Equipment Foundation: Embedding fixed points for mounting motors, pumps, or machinery bases.

  • Wall/Retaining Wall Anchoring: Securing wood sills to concrete perimeter walls.

  • Overhead Pipe Hanging: Used in inverted position to hang pipes or channels from steel beams.

Advantages

  • Excellent Pull-Out Resistance: The hooked end provides mechanical interlock, resisting uplift forces.

  • Permanent Fixture: Becomes an integral, non-removable part of the concrete foundation.

  • Adjustability: Allows for slight vertical adjustment (leveling) of the mounted component.

  • HDG Option: Hot Dip Galvanizing provides decades of corrosion protection underground and in exterior exposure.

Payment & Shipping

We offer large-scale batch fabrication for construction projects, accepting TT or L/C at Sight. J-Bolts are bundled by diameter and length, often shipped in open-top steel crates for easy management on the construction site and protection of the threaded ends.

FAQ

  • Q: Should I use a J-bolt or a mechanical wedge anchor for concrete?
  • A: J-Bolts are "cast-in-place" anchors, meaning they are installed before the concrete cures. They provide the highest load capacity and are the preferred choice for critical structural foundations. Wedge Anchors are "post-installed" anchors, used when the concrete is already cured, typically for less-critical equipment or retrofitting.
  • Q: Can J-bolts be used in tension applications?
  • A: Yes. J-bolts are primarily designed for tension (uplift) and shear loads. The hook provides the essential mechanical resistance against the concrete to prevent the bolt from pulling out under extreme tensile stress.

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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 J-Bolts Manufacturers and J-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