Half Thread Hex Bolt Zinc Plated 8.8
| Product Name: | 8.8 Grade Half Thread Hex Bolt Zinc Plated |
| SKU: | HB-0016 |
| Price: | USD0.009 - USD0.229 / piece |
| MOQ: | 500 pieces (Min. Order) |
| Availability: | In Stock |
| Package: | BOX/Bag/Carton/Customized |
| Port: | Tianjin Port |
| Supply Ability: | 100000 pcs per month |
| Lead Time: | 7-30 days after deposit |
Acceptance:
OEM/ODM, Trade, Wholesale, Regional Agency
Payment:
30% Down Payment by TT + 70% Balance Before Shipment
Product Description
Our Grade 8.8 Half Thread Hex Bolt offers an optimal balance of strength, durability, and value for a wide range of industrial applications. Manufactured from medium carbon steel and heat-treated, this bolt meets the rigorous ISO 898-1 standard for Property Class 8.8, ensuring consistent performance. The partially threaded design provides a strong, unthreaded shank for superior shear resistance and precise clamping in bolted joints. The clear zinc plating delivers effective corrosion resistance and a clean, industrial finish. This versatile bolt is a trusted component for machinery assembly, structural frameworks, and general manufacturing, providing dependable fastening at a competitive price point.
Technical Specifications
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Standard | ISO 4014, DIN 933, ASTM A449 | Thread Type | Partial (Half Length), Metric Coarse Thread |
| Head Type | Hexagon Head | Property Class | Grade 8.8 (Medium Tensile) |
| Drive Type | Wrench/Socket (Metric Sizes) | Coating / Finish | Zinc Plated (Clear Chromate) |
| Material | Medium Carbon Steel, Quenched & Tempered | Tensile Strength | 800 MPa (min) |
| Yield Strength | 640 MPa (min) | Proof Load | 580 MPa |
| Corrosion Resistance | Good (Salt Spray Test: 96+ hours to white rust) | Hardness | 22-32 HRC |
Product Size (Hot-Selling Models for Middle East, Central & Southeast Asia)
We offer a wide range of standard sizes to meet diverse industrial needs. Below are our most popular partially threaded bolts.
| Diameter (mm) | Diameter (Inch approx.) | Full Length (mm) | Thread Length (mm) | Common Length (Inch) |
|---|---|---|---|---|
| M10 | 3/8″ | 30 – 100 | 25 | 1-1/4″ – 4″ |
| M12 | 1/2″ | 40 – 120 | 30 | 1-1/2″ – 4-3/4″ |
| M16 | 5/8″ | 50 – 150 | 35 | 2″ – 6″ |
| M20 | 3/4″ | 60 – 200 | 40 | 2-3/8″ – 8″ |
| M24 | 1″ | 80 – 240 | 50 | 3-1/8″ – 9-1/2″ |
Note: The M12x50, M16x60, and M20x80 are our top sellers for general industrial use. The thread length typically follows the formula 2d + 6mm (e.g., M12 thread length ~ 30mm). Full dimensional charts and non-standard sizes are available upon request.
Application Scenarios
This versatile Grade 8.8 bolt is a workhorse fastener suitable for numerous applications:
- General Machinery and Equipment Assembly: Widely used for assembling industrial machinery, conveyor systems, and production line equipment where reliable strength is required.
- Automotive Parts and Chassis Components: Ideal for non-critical automotive applications such as bracket mounting, engine accessories, and interior component assembly.
- Structural Steel Connections and Brackets: Used in light to medium structural bolting, steel frame connections, and supporting brackets in construction.
- Agricultural Machinery Repair and Maintenance: A staple for maintaining and repairing tractors, harvesters, and other farm equipment due to its good strength and corrosion resistance.
- Electrical Panel and Cabinet Manufacturing: Essential for assembling switchgear cabinets, control panels, and electrical enclosures.
- Infrastructure and General Fabrication: Used in general metal fabrication, securing guardrails, and assembling storage systems.