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M28x100mm Grade 8.8 Galvanized Hex Bolt TZN Heavy Duty Fastener GBT1228-91
Product Details
Product Overview
This M28 x 100 mm hexagon head bolt is manufactured to GBT1228-91 and supplied with a galvanized TZN corrosion-resistant finish. Designed as an OEM mining machinery fastener, the Grade 8.8 steel bolt provides high tensile strength for structural assemblies, equipment frames, conveyor systems, crusher components, and other heavy-duty industrial connections.
Key Features
- Grade 8.8 high-strength carbon steel for reliable clamped joints
- M28 thread size with 100 mm bolt length for heavy structural applications
- Galvanized TZN coating offers corrosion and weather resistance
- Hexagonal head enables secure wrenching and high torque installation
- Manufactured according to GBT1228-91 fastener standard
- Suitable for mining, construction, material handling, and machinery maintenance
Specifications
| Attribute | Details |
|---|---|
| Product Type | Hexagon Head Bolt |
| Part Number | GBT1228-91 |
| Manufacturer Drawing | NXZS25-00104 |
| Position | 25 |
| Thread Size | M28 |
| Length | 100 mm |
| Property Class | Grade 8.8 |
| Surface Treatment | TZN Galvanized |
| Material | High-Strength Carbon Steel |
| Drive Type | External Hex |
| Application Standard | GBT1228-91 |
| Brand | Huaibei Zhongfen Mine Machinery |
Applications
- Mining machinery and mineral processing equipment
- Crusher, screen, conveyor, and hoisting assemblies
- Structural steel connections and equipment frames
- Construction machinery and heavy equipment maintenance
- Industrial plants requiring high-strength corrosion-resistant fasteners
Package Contents
1 x M28 x 100 mm Grade 8.8 Galvanized TZN Hex Bolt. Nut and washer are not included unless separately ordered.
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