Custom Eye Bolt M8 M20 Stainless / Carbon / Galvanized Steel Bolts
Product detailed parameters
Bolts Details Show
Hexagon Head Bolts
| Item | Specification | Details |
|---|---|---|
| Product Name | Hexagon Head Bolts | Standard external hex bolts |
| Standard | ASTM / DIN / ISO / BS | DIN933, DIN931, ASTM A307, A325, A490 |
| Diameter (Size) | M6 – M64 | 1/4” – 2-1/2” |
| Length | 10 mm – 500 mm | Custom lengths available |
| Thread Type | Full Thread / Half Thread | Metric & UNC / UNF |
| Material | Carbon Steel / Alloy Steel / Stainless Steel | Grade 4.8 / 8.8 / 10.9 / 12.9 |
| Surface Treatment | Black / Zinc Plated / Hot-Dip Galvanized / Dacromet | Corrosion resistance optional |
| Strength Grade | 4.8 / 6.8 / 8.8 / 10.9 / 12.9 | High tensile strength |
| Head Type | Hex Head | Standard hexagonal |
| Application | Construction / Steel Structure / Machinery | Widely used fastening solution |
| Tolerance | Standard precision | As per international standards |
| Packaging | Carton / Wooden Pallet / Bulk | Export standard packing |
| Certification | MTC / ISO / SGS | Third-party inspection available |
| Delivery Time | 7–15 Days | Based on order quantity |
Hex Socket Bolts
| Item | Specification | Details |
|---|---|---|
| Product Name | Hex Socket Bolts | Allen / Socket Head Cap Screws |
| Standard | DIN / ISO / ASTM / BS | DIN912, ISO4762, ASTM A574 |
| Diameter (Size) | M3 – M48 | 1/8” – 2” |
| Length | 6 mm – 300 mm | Custom lengths available |
| Thread Type | Full Thread / Partial Thread | Metric / UNC / UNF |
| Material | Carbon Steel / Alloy Steel / Stainless Steel | 304 / 316 available |
| Strength Grade | 8.8 / 10.9 / 12.9 | High tensile performance |
| Head Type | Socket Head (Allen) | Cylindrical head with hex socket |
| Drive Type | Hex Socket | Easy for high torque tightening |
| Surface Treatment | Black Oxide / Zinc Plated / Hot-Dip Galvanized / Dacromet | Corrosion resistance optional |
| Tolerance | Precision thread | In accordance with standards |
| Application | Machinery / Equipment / Steel Structure / Automotive | High-strength fastening |
| Certification | MTC / ISO / SGS | Third-party inspection available |
| Packaging | Carton / Pallet / Bulk | Export standard packing |
| Delivery Time | 7–15 Days | Depending on quantity |
Lifting Eye Bolt
| Item | Specification | Details |
|---|---|---|
| Product Name | Lifting Eye Bolt | Eye Bolt / Lifting Ring Bolt |
| Standard | DIN / ASTM / ASME | DIN580, ASTM A489, ASME B18.15 |
| Size (Diameter) | M6 – M64 | 1/4” – 2-1/2” |
| Thread Type | Metric / UNC / UNF | Full thread |
| Material | Carbon Steel / Alloy Steel / Stainless Steel | 304 / 316 optional |
| Strength Grade | 4.8 / 8.8 / 10.9 | High strength lifting use |
| Working Load Limit (WLL) | 0.05 – 10 Tons | Depends on size & direction |
| Surface Treatment | Zinc Plated / Hot-Dip Galvanized / Black | Anti-corrosion options |
| Eye Type | Standard Round Eye | Forged integral design |
| Application | Lifting / Rigging / Hoisting | Machinery, construction, marine |
| Temperature Range | -20°C to 200°C | Depends on material |
| Certification | MTC / ISO / SGS | Load test available |
| Packaging | Carton / Wooden Case / Pallet | Export standard |
| Delivery Time | 7–15 Days | Based on order quantity |
Expansion Bolt
| Item | Specification | Details |
|---|---|---|
| Product Name | Expansion Bolt | Anchor Bolt / Expansion Anchor |
| Type | Sleeve Anchor / Wedge Anchor / Shield Anchor | Multiple types available |
| Standard | DIN / ASTM / ISO | DIN933, ASTM F1554 (reference) |
| Diameter (Size) | M6 – M24 | 1/4” – 1” |
| Length | 40 mm – 300 mm | Custom lengths available |
| Thread Type | Metric / UNC | Full thread |
| Material | Carbon Steel / Stainless Steel | SS304 / SS316 optional |
| Strength Grade | 4.8 / 5.8 / 8.8 | Heavy-duty options available |
| Surface Treatment | Zinc Plated / Hot-Dip Galvanized / Dacromet | Corrosion resistance |
| Fixing Type | Mechanical Expansion | Strong anchoring force |
| Installation Method | Pre-drilled hole + tightening | Easy installation |
| Application | Concrete / Brick / Masonry | Construction & structural fixing |
| Load Capacity | Depends on size & base material | Technical support available |
| Certification | MTC / ISO / SGS | Third-party test optional |
| Packaging | Carton / Pallet / Bulk | Export standard |
| Delivery Time | 7–15 Days | Based on quantity |
Application
Product packaging
We apply waterproof plastic film and use corrugated cartons or wooden cases to moisture, impact and injury in transportation. Customized packaging solutions can also be provided according to the requirements of the customers.
The delivery modes of transportation are organized as following: by sea, air by express for small quantity and weight including container shipment, flatbed transport or bulk cargo. We tailor the logistics to suit the delivery time, cost and destination requirements and ensure delivery in a safe and timely manner.
Production and warehousing situation
FOUNDED IN 2012, ROYAL GROUP IS A HIGH-TECH ENTERPRISE SPECIALIZING IN THE DEVELOPMENT, PRODUCTION AND SALES OF CONSTRUCTION PRODUCTS.THE HEADQUARTER IS LOCATED IN TIANJIN CITY—A CHINESE CENTRAL CITY AND ONE OF THE FIRST COASTAL OPEN CITIES.THE BRANCHES ARE ACROSS THE COUNTRY.
OUR COMPANY OFFERS A WIDE RANGE OF FASTENER PRODUCTS, CATERING TO VARIOUS INDUSTRIES AND APPLICATIONS. WHETHER YOU NEED SCREWS, BOLTS, NUTS, WASHERS, OR ANY OTHER TYPE OF FASTENER, WE HAVE YOU COVERED. CONTACT A SPECIALIST
We have more than ten years of experience in the field of bolts, nuts, and other solid parts. We can provide products with different standards such as DIN, JIS, ANSI, etc., and can customize the required fasteners for customers based on drawings and samples. Our products Sold to more than 100 countries around the world.
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FAQ
Q1: Can you provide customized products based on our drawings?
Yes, we support full customization according to your drawings or technical requirements. Our engineering team can also assist with design optimization.
Q2: What materials and standards do you offer?
We supply products in carbon steel, alloy steel, and stainless steel, complying with international standards such as ASTM, EN, DIN, and ISO.
Q3: What is your delivery time?
Standard orders are usually delivered within 7–15 days. Customized products may take 15–25 days depending on specifications and quantity.
Q4: Do you provide quality certificates?
Yes, we provide Mill Test Certificates (MTC), as well as third-party inspection reports such as SGS if required.
Q5: What are your payment terms?
We accept T/T, L/C, and other flexible payment terms based on order conditions.






