Products Description
DIN933 full thread hex head bolts feature full shank threading and standard hex heads, available in carbon/stainless steel from Grade 4.8 to 12.9 with zinc plating, black oxide and other anti-corrosion finishes, enabling flexible positioning for variable thickness assembly and multi-layer stacking for machinery, steel structure, automotive, electrical and municipal engineering fastening.
Parameter
| Parameter Item | Specification Details |
|---|---|
| Official Name | Full Thread Hex Bolt / Full Thread Hex Head Bolt |
| Executive Standard | DIN933 (Full Thread), DIN931 (Half Thread Reference Standard) |
| Strength Grades | 4.8, 8.8, 10.9, 12.9 |
| Raw Material | Carbon steel, stainless steel |
| Nominal Diameter Range | M4 – M36 |
| Surface Treatment | ZP (Blue White Zinc Plating), YZ (Yellow Zinc Plating), BLACK (Black Oxide) |
| Standard Packaging | Carton + Woven Bag + Export Pallet |
| Customization Support | Size, strength grade, surface finish, head style, drive type, thread pitch customization |
| Thread Feature | 100% full continuous thread across entire bolt length |
Application Scenarios
- Construction & Steel Structure: M4 Full Thread Hardware Hex Head Bolt realizes reliable connection for light steel frame, curtain wall bracket, pipeline suspender, temporary adjustable support and small steel beam auxiliary connection with full-thread adjustable positioning capability.
- Automotive & Transportation: M4 Full Thread Hardware Hex Head Bolt firmly locks automotive interior trim, auxiliary brackets, motorcycle frame adjustable assemblies and lightweight commercial vehicle components against vibration loosening.
- General Machinery Manufacturing: M4 Full Thread Hardware Hex Head Bolt completes precise multi-layer plate stacking assembly for pump bases, motor seats, conveyor fixtures and packaging equipment with full thread uniform stress distribution.
- Electrical & New Energy Industry: M4 Full Thread Hardware Hex Head Bolt provides adjustable fixing for photovoltaic brackets, power distribution cabinet frames and energy storage equipment component assembly with stable miniature fastening performance.
- Household & Decoration Hardware: M4 Full Thread Hardware Hex Head Bolt delivers adjustable fastening for fitness equipment, storage racks, air conditioner brackets and furniture assembly, adapting to small-scale household hardware assembly demands.
Third-party inspection available
Our Factory
About us
Hebei Sanwei Fasteners Co., Ltd.'s production base is located in Hebei Province, China, covering an area of 33,000 square meters with a building area of approximately 30,000 square meters. Strategically situated near multiple major highways and railways, the base facilitates efficient procurement of raw materials and transportation of finished products. Sanwei Fasteners specializes in various fastener products, including but not limited to bolts, nuts, screws, washers, and other types of fasteners. The company's products have obtained ISO quality management system certification. All items undergo multiple quality inspection stages before shipment, including assessments of dimensional accuracy, surface treatment effectiveness, and mechanical properties, ensuring products meet or exceed standards. We look forward to collaborating with you.
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