Black Oxide Hollow Anchor Bolt Fastener Drop Expansion Bolt 42CrMo

• 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 the ingeniously crafted drop expansion bolt, a marvel in the realm of expansion bolts. Through its unique design, it employs a downward motion of the bolt rod to activate its expansion mechanism, resulting in a robust anchor within base materials like concrete. Ideal for installations from below—such as ceilings—this bolt innovatively addresses the challenges faced with traditional bolts in top-down installations, offering a seamless and efficient solution.

Product Parameters

Explore customizable materials and finishes to suit your every need:

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: Expertly and efficiently packed in 25kg/carton, with options for 1.5 to 2.5 tons per pallet, or tailored to meet your specific requirements.
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. is a shining beacon in the fastener industry. We excel in crafting both standard and bespoke fasteners, showcasing our extraordinary production capacity of an impressive 30,000 tons annually, and achieving sales that exceed 200 million, marking our place as leaders in the field.
Spanning an impressive 60,000 square meters, our cutting-edge facility is equipped with 35 state-of-the-art hot-forging machines and 300 precision machining units. This technological powerhouse is operated by an adept team of approximately 200 committed professionals, dedicated to delivering excellence in every piece.
With steadfast innovation and determination over three remarkable decades, we have crafted a sophisticated production ecosystem. This system flawlessly integrates leading-edge production and inspection technologies, featuring CNC systems, advanced mesh belt furnace lines, and fully automated forging equipment, ensuring precision and quality at every stage.
Driven by an unyielding pursuit of excellence, we have ascended to become a renowned global supplier. Our unwavering commitment to quality is affirmed by the prestigious ISO9001 certification and stringent SGS testing. Our exceptional products are revered across Europe, North America, and South Asia, earning the loyalty and trust of our 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