High-Quality Stainless Steel / Carbon Steel Expansion Sleeve Anchor Bolt with Washer/Nut

• Customization: Available
• Material: Stainless Steel
• Type: Hexagon Head
• Model NO.: Expansion Sleeve Anchor
• Connection: Common Bolt
• Head Style: Hexagonal
• Standard: DIN, ANSI, GB, JIS, BSW, GOST
• Grade: 8.8
• Application: Machinery, Chemical Industry, Environmental, Building
• Finish: Hot Galvanizing
• Performance Grade: 4.8 8.8
• Specific: M6-24
• Centification: ISO9001
• MOQ: 500kg
• Transport Package: Carton+Pallet
• Specification: M6-24
• Trademark: Strong Metal
• Origin: Hebei, China
• HS Code: 7318151001
• Production Capacity: 300 Tons/Month

Product Description

Specification

Product Name:  Anchor bolt

Size:  Metric size: M6 × 70 mm      Inch size: 1/4" × 2-3/4"      Customized sizes are available.

Material: Stainless Steel 201 304 316 430 & Carbon Steel

Grade: A2-70, A4-70, A4-80 & 8.8, 10.9, 12.9, etc.

Finish: Polishing, Black Oxide, Zinc Plating, Hot-dip Galvanizing, Bluing, etc.

Standard: GB, DIN, ISO, ANSI/ASTM, BS, BSW, etc

Samples: Samples are complimentary, delivery charges apply

Package: Inner bag + Master carton + Wooden pallet + Stretch film, with desiccant & edge protectors as needed.

Payment: T/T, L/C

Shipping Port: Tianjin Port, Qingdao Port

Inspection: 100% QC Steps Inspect Before Shipment

Guangzhou Strong Metal Co., Ltd. 

Guangzhou Strong Metal Co., Ltd. operates as the international trade department of Hebei Gaonuo New Energy Technology Co., Ltd. (hereinafter referred to as Gaonuo).
Established in 2016 with a registered capital of 3 million RMB, Hebei Gaonuo New Energy Technology Co., Ltd. is headquartered in the Yongnian Guajing Industrial Zone, Handan – China's largest fastener production base. As a source factory, Gaonuo integrates R&D, manufacturing, and processing of stainless steel fasteners. With years of expertise in the stainless steel products industry, the company possesses mature production techniques and a comprehensive quality control system. Its main products include stainless steel threaded rods (1-3 meters), chemical anchors, foundation bolts, double-end studs, fully threaded studs, and more. It also provides customized stainless steel products in materials such as 201, 304, and 316, along with supporting services including processing, pickling, and cleaning.
To expand its global market presence, the company established its international trade department in Guangzhou. Leveraging the advantages of direct factory supply in terms of pricing and production capacity, we are dedicated to providing global clients with high-quality stainless steel fasteners and tailored solutions. Adhering to the business philosophy of "Survive by Quality, Develop by Integrity," we continuously introduce professional talent and optimize production processes, striving to deliver high cost-effective products and efficient service experiences to partners worldwide.

FAQ

About Us
Q1. What type of company are you?
We are a specialized manufacturer and supplier of high-quality stainless steel and carbon steel fasteners. Founded in 2010 with our own production base (Hebei Gaonuo New Energy Technology Co., Ltd.), we focus on providing customized solutions for products like structural bolts and eye bolts, serving industrial clients worldwide with durable and reliable fastening products.

Products & Materials
Q2. Can you provide product samples?
Yes, we encourage potential clients to evaluate our craftsmanship and material quality through physical samples. Please contact our sales team to discuss sample policies, including costs and shipping arrangements.

Q3. Do you offer custom manufacturing (OEM/ODM)?
Customization is one of our core strengths. We can develop products according to your drawings, specifications (such as ASTM, DIN, ISO, GB), or specific application requirements, with options for material selection (stainless steel or carbon steel), dimensions, strength grades, and surface treatments (e.g., galvanizing, Dacromet, passivation).

Quality
Q4. How do you ensure product quality?
We implement strict quality control throughout the entire process, from raw material inspection to finished product delivery. For stainless steel and carbon steel materials, we conduct composition and mechanical property tests. Advanced testing equipment (e.g., hardness testers, tensile testing machines) is used during production to ensure every batch meets standards and customer expectations.

Orders & Logistics
Q5. What is your minimum order quantity (MOQ)?
MOQ varies depending on the product type, material, and specifications. Standard products have a defined MOQ, while custom orders offer more flexibility. We will provide the most cost-effective solution based on your needs.

Q6. What is your lead time?
Production time depends on order quantity, product complexity, and current production schedule. Standard items generally have shorter lead times, while custom products require additional time for design and manufacturing. We will provide an accurate delivery estimate upon inquiry.