3/4 to 3 1/4 Hollow Anchor Bolt Fastener Drop Expansion Bolt

• Customization: Available
• Material: Carbon Steel
• Type: Hexagon Head
• Connection: Common Bolt
• Head Style: Hexagonal
• Standard: ASME
• Grade: 8.8
• Material Name: 40cr/45/42CrMo/35CrMo
• Surfact: Black Oxide
• Size: 3/4~3 1/4
• Transport Package: Carton + Pallet
• Specification: 25KG/Carton
• Trademark: as requested by buyer
• Origin: China
• HS Code: 731816
• Production Capacity: 2500 Ton/Month

Product Description

Jinjiang Tagong Hardware Forging Manufacturer Co. LTD
Pioneers in Fastener Production since 1985, boasting a legacy of over 39 years.
Standards we meet (GB / DIN / ISO / UNI / JIS / GOST / ANSI / ASTM ); and we craft custom-made solutions tailored to your specifications.

Product Description

   Carbon steel galvanized hollow anchor bolts fasteners drop expansion bolts

Introducing our innovative drop expansion bolt, a marvel of engineering designed for precision anchoring. This specialized bolt operates by driving its expansion mechanism to secure a powerful grip in base materials like concrete. Ideal for installations requiring anchoring from below, such as ceilings, it addresses the challenges posed by traditional top-installed expansion bolts with remarkable efficiency.

Product Parameters

Discover a world of customizable material options and exquisite finishes, crafted to meet all your requirements with precision and style:

Mechnical Property	Material	Surface Treatment
Class 4 / 6 / 8/ 10 /12	C45 40Cr 35CrMo 42CrMo 304 316 35K......	♦Yellow Zinc ♦Zinc Plated ♦Black Oxide ♦Phosphate ♦Dacromet ♦Geomet

Packing method: Our products are meticulously packed in robust 25kg cartons, with flexible pallet options ranging from 1.5 to 2.5 tons, or meticulously customized to suit your unique specifications.
For further details and inquiries, we invite you to kindly reach out to us.

P.S.: Ensure to contact us for an updated quote on prices before placing your order, given the current fluctuations in material prices.

Company Profile

  Our Factory Introduction

WHOWE ARE

Boasting over39 years of unmatched expertise, Jinjiang Tagong Hardware Forging Manufacturer Co. Ltd. stands as a beacon of excellence in the fastener industry. We take pride in producing both standard and bespoke fasteners, demonstrating our extraordinary capacity with a remarkable annual production of 30,000 tons and sales exceeding 200 million, solidifying our leadership position.
Spanning an impressive 60,000 square meters, our state-of-the-art facility houses 35 cutting-edge hot-forging machines and 300 precision machining units. Powered by a skilled team of approximately 200 dedicated professionals, we ensure that each product meets the highest standards of excellence.
With over three decades of relentless innovation and commitment, we have established a sophisticated production ecosystem. This system seamlessly integrates advanced production and inspection technologies, featuring CNC systems, high-tech mesh belt furnace lines, and fully automated forging equipment, guaranteeing precision and quality at every stage.
Driven by an unwavering dedication to excellence, we have risen to become a distinguished global supplier. Our steadfast commitment to quality is underscored by the prestigious ISO9001 certification and rigorous SGS testing. Our outstanding products are celebrated across Europe, North America, and South Asia, earning us the loyalty and trust of a worldwide clientele.

Development History

Production Workshop

FAQ

1. Q: What about MOQ?
A: It depends on the size of the products.
2. Q: What are your advantageous products?
A: All kinds of standard and customized fasteners.
3. Q: How many staff are in your company?
A: About 200 staff in our factory.
4,Q: What about your annual production capacity?
A :About 30000 tons per year.
5,Q :Do you have an ISO 9001 certificate?
A: Yes, we do.
6, Q: Can you provide the CBAM report?
A: Yes, of course