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| Categories | Stainless Steel Screw |
|---|---|
| Brand Name: | YongBiao |
| Model Number: | Hexagon Bolt with Washer Assemblies |
| Certification: | ISO9001/16949 |
| Place of Origin: | China |
| MOQ: | 10000 |
| Price: | Negotitaion |
| Payment Terms: | ,T/T |
| Supply Ability: | 5000000 tons/Year |
| Delivery Time: | 7-25Days |
| Packaging Details: | Carton Box/Pallet/Customized |
| Material: | Stainless Steel |
| Grade: | 4.8,8.8,10.9,12.9 |
| Thread Size: | M3-M8 |
| Standard: | DIN,ISO,GB |
| Head Type: | Hexagon |
| Drive Type: | Cross |
| Trade Term: | EXW/FOB/CIF/DDP/DDU |
| Finish: | Plain,Passivated,Anodizing,zinc plated,hot dip galv.etc. |
| Company Info. |
| NINGBO YONGBIAO FASTENER CO.,LTD |
| Verified Supplier |
| View Contact Details |
| Product List |

Stainless Steel Cross Recessed Hex Bolt with Lock Washer and Plain Washer
1.Products Details:
This assembly is a pre-configured fastening solution combining
three components:
1. Cross Recessed Hexagon Head Bolt: Features a hexagonal shank for
wrench tightening and a cross-shaped recess (Phillips drive) for
screwdriver compatibility, offering dual-tool accessibility.
2. Spring Washer: A helical washer that provides tension and
vibration resistance, preventing loosening under dynamic loads.
3. Flat Washer: A thin circular washer placed between the bolt head
and the surface, distributing pressure evenly and protecting the
material from damage.
2.Key Features:
- Saves time by eliminating separate component handling during
installation.
- Spring washer reduces loosening in high-vibration environments
(e.g., automotive, industrial machinery).
- Flat washer prevents bolt head indentation on soft materials
(e.g., wood, aluminum).
- Hex head + cross recess allow flexibility in installation tools.
3.Technical Parameters of Hex Bolt with lock and plain washer
| d | M4 | M5 | M6 | M8 | |
| a | MAX | 1.4 | 1.6 | 2 | 2.5 |
| b | MIN | 38 | 38 | 38 | 38 |
| h | 0.8 | 1 | 1.6 | 1.6 | |
| H | 2.75 | 3.25 | 4 | 5 | |
| dc | 9 | 10 | 12 | 16 | |
| d2 | 6.78 | 8.75 | 10.71 | 13.64 | |

4.Certificate Display

5.Production Process

6.Packaging and shipping Details

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