Dongguan Guanbiao Hardware Products Co., LTD
| Payment Terms | T/T |
| Supply Ability | 5000000 |
| Delivery Time | 15-20 work days |
| Packaging Details | Plastic bag + carton + pallet |
| Strength | High |
| Surface Treatment | Zinc Plating |
| Drive Type | Phillips |
| Samples | All samples in free |
| Dia | M2-M52 |
| Thread Size | Customizable |
| Grade | 304 316 |
| Lead Time | 15~20 working days |
| Brand Name | guanbiao |
| Model Number | M1.6-M8 |
| Certification | ISO9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 5000000 |
| Delivery Time | 15-20 work days | Packaging Details | Plastic bag + carton + pallet |
| Strength | High | Surface Treatment | Zinc Plating |
| Drive Type | Phillips | Samples | All samples in free |
| Dia | M2-M52 | Thread Size | Customizable |
| Grade | 304 316 | Lead Time | 15~20 working days |
| Brand Name | guanbiao | Model Number | M1.6-M8 |
| Certification | ISO9001 | Place of Origin | China |
Secure assemblies against vibration with pre-assembled Phillips pan head screws. Includes spring & flat washer. Zinc plated steel, DIN 7985. For machinery, automotive & electronics. Custom sizes available.
Combat vibration loosening and ensure reliable, long-lasting connections with our **Phillips Pan Head Machine Screws with Pre-Assembled Spring and Flat Washers**. This complete fastener solution combines a **standard Phillips pan head screw (DIN 7985)**, a **flat washer** for load distribution, and a **spring (split) lock washer** for vibration resistance – all pre-assembled for your convenience. Manufactured from durable carbon steel with zinc plating, they are ready for immediate use in **machinery, automotive components, electrical panels, and general industrial assembly** where vibration or thermal cycling is a concern.
TECHNICAL SPECIFICATIONS | |
| Material (Screw & Washers) | **Carbon Steel** (Screw: Grade 8.8; Washers: Grade 8 equivalent). |
| Drive Type | Phillips (PH1, PH2, PH3 sizes). |
| Head Style | **Pan Head** (Rounded top, flat bearing surface - DIN 7985 / ISO 7045). |
| Sizes (Screw Dia x Length): | **Standard Range:** M4, M5, M6, M8, M10, M12. |
| Surface Finish | **Zinc Plating** (Yellow Chromate standard; Clear/White/Black optional). |
| Thread Type | Machine Screw Threads** (Metric Coarse standard; Metric Fine/UNC/UNF custom) |
| Point Type | Blunt End |
| Washer Assembly | Pre-Assembled Flat Washer + Spring Lock Washer under head. |
Primary Uses & Applications:
* Machinery assembly (motors, pumps, gearboxes, frames).
* Automotive components (brackets, engine bay accessories, trim).
* Electrical enclosures & control panels.
* Industrial equipment & conveyors.
* Appliance manufacturing (motors, compressors).
* HVAC systems & fans.
* General fabrication where vibration or thermal cycling occurs.
Surface Treatment/Finishes:
* **Zinc Plating (Yellow Chromate - Zn+Y):** Standard finish offering good corrosion resistance for indoor/industrial environments. Yellow aids identification. RoHS compliant. Applied to both screw and washers.
* **Alternative Platings:** Clear Zinc, White Zinc, Black Zinc, or Black Oxide available upon request.
How to Use:
1. **Prepare:** Ensure female threads (nut or tapped hole) are clean, undamaged, and compatible. The pre-assembled washers eliminate the need for separate washers.
2. **Align:** Position components. The screw passes through the clearance hole in the top component.
3. **Insert:** The flat washer contacts the bearing surface; the spring washer sits between the flat washer and the screw head.
4. **Drive:** Use the **correct size Phillips screwdriver/bit** (e.g., PH2 for M5/M6). Drive clockwise.
5. **Tighten:** Tighten firmly until the spring washer is moderately compressed (flattened). This provides the locking action. **Do not over-compress** the spring washer, as this reduces its effectiveness.
6. **Function:** The **flat washer** distributes load and protects soft surfaces. The **spring washer** applies constant tension, resisting loosening from vibration or thermal changes.
Company Details
Business Type:
Manufacturer
Year Established:
2013
Total Annual:
1000000-3000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Dongguan Guanbiao Hardware Products Co., Ltd., established in 2013, is a screw hardware processing factory integrating R & D, production and sales, focusing on electronic and electrical appliances, computer radiator, communication equipment, lighting, motor, motor, medical equipment, sports equi... Dongguan Guanbiao Hardware Products Co., Ltd., established in 2013, is a screw hardware processing factory integrating R & D, production and sales, focusing on electronic and electrical appliances, computer radiator, communication equipment, lighting, motor, motor, medical equipment, sports equi...
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