High-Quality Carbon Steel Expansion Sleeve Anchor Bolt for Concrete Building Industry

• Customization: Available
• Material: Stainless Steel
• Type: Hexagon Head
• Connection: Common Bolt
• Head Style: Hexagonal
• Standard: DIN, ANSI, GB, JIS, BSW, GOST
• Grade: 8.8
• Application: Machinery
• Finish: Polishing
• Length: Customized
• Other Material: Carbon Steel
• Grade Level: A2-70, A4-70, A4-80
• Stainless Steel: 201 302 314 430
• Sample: Free
• Transport Package: Box + Pallet
• Specification: M6-70
• Trademark: Strong Metal
• Origin: Hebei, China
• HS Code: 7318190000
• Production Capacity: 300 Tons/Month
• Package Size: 30.00cm * 25.00cm * 25.00cm
• Package Gross Weight: 25.000kg

Product Description

Product Description

Product Name: Expansion Sleeve Anchor 

Size: Common Size Ranges

Material: Stainless Steel 201 304 316 430 / Carbon Steel, etc.

Grade: A2-70, A4-70, A4-80.etc

Surface Finish: Plain, Polishing

Coating: Zp/Yzp/HDG/Black/Geomet/Dacromet, 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

Packing & Delivery

                                                                                                                                                                                                                                                                                                      Efficient Logistics, Maximum Security                                                                 

  Securely packed, efficiently shipped. Each fastener is sealed in protective packaging, palletized to international standards, and loaded with care. We manage documentation and logistics for on-time, traceable delivery directly to you.                                                                                                                                                                                                                                                                                                                                                                                                                                                    

Applications

Company Profile

Guangzhou Strong Metal CO.,Ltd

Guangzhou Strong Metal Co., Ltd. specializes in manufacturing stainless steel and carbon steel fasteners. Our sales team operates from Guangzhou, while production is based in Handan, Hebei—a key industrial base for standard parts.

We supply high-quality products including threaded rods, chemical anchors, base plates, and fully threaded studs, using grades such as 304 and 316 stainless steel, with custom processing available.

Through strict quality control and reliable logistics, we ensure consistent performance and timely delivery, committed to building lasting global partnerships.

Certifications

Customer Visiting

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.