Suzhou Runtai Precision Hardware Co,.Ltd.
| Payment Terms | L/C, T/T, Western Union, MoneyGram |
| Supply Ability | 5 Tons/ day |
| Delivery Time | 14-21 days |
| Packaging Details | PP bag+Carton box+ Wooden Pallet |
| Products Name | Left-Hand Threaded Class 12.9 Steel High-Strength Steel Hex Head Screws |
| Material | Steel Stainless Steel Aluminum Alloy For Choose |
| Grade | 4.8 8.8 10.9 12.9 for choose |
| Surface treatment | zinc plated, nickel plated, black phosphates for choose |
| Size | M1-M30 for choose |
| Port | Shanghai |
| Brand Name | Runtai |
| Model Number | Hex Head Screws |
| Certification | ISO9001/TS16949 |
| Place of Origin | Jiangsu, China (Mainland) |
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Product Specification
| Payment Terms | L/C, T/T, Western Union, MoneyGram | Supply Ability | 5 Tons/ day |
| Delivery Time | 14-21 days | Packaging Details | PP bag+Carton box+ Wooden Pallet |
| Products Name | Left-Hand Threaded Class 12.9 Steel High-Strength Steel Hex Head Screws | Material | Steel Stainless Steel Aluminum Alloy For Choose |
| Grade | 4.8 8.8 10.9 12.9 for choose | Surface treatment | zinc plated, nickel plated, black phosphates for choose |
| Size | M1-M30 for choose | Port | Shanghai |
| Brand Name | Runtai | Model Number | Hex Head Screws |
| Certification | ISO9001/TS16949 | Place of Origin | Jiangsu, China (Mainland) |
| High Light | hex drive screws ，hexagon head cap screw | ||
Black Zinc Plated Class 8.8 Steel Hex Head Screws Grade 8.8 Steel Hex Bolts
Products Descriptions
Tighten these screws by turning them to the left; once fastened, they prevent counterclockwise-moving parts from loosening. Made from class 12.9 steel, they are at least 25% stronger than medium-strength steel screws.The black zinc plating resists corrosion in wet environments. Material meets SAE J429 specifications for quality. Class 12.9 steel hex head screws are marked with six radial lines. Length is measured from under the head.
Products Specifications
| Head Type | Hex |
| Drive Style | External Hex |
| System of Measurement | Inch |
| Thread Direction | Left Hand |
| Thread Size | 5/8"-11 |
| Screw Size Decimal Equivalent | 0.625" |
| Thread Type | UNC |
| Thread Fit | Class 2A |
| Length | 3" |
| Threading | Fully Threaded |
| Thread Spacing | Coarse |
| Head | |
| Width | 15/16" |
| Height | 27/64" |
| Fastener Strength Grade/Class | Class 12.9 |
| Material | Steel |
| Finish | Zinc black Plated |
| Tensile Strength | 150,000 psi |
| Hardness | Rockwell C33 |
| Specifications Met | SAE J429 |
| RoHS | Not Compliant |
Note: Material, Size and Surface Treatment for choose.
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Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2008
Total Annual:
2000000-3000000
Employee Number:
30~40
Ecer Certification：
Active Member
We are professional manufacture factory of screws, bolts, rivets, nuts,bushing and non-standard fastener from China. Suzhou Runtai Prcision Hardware Co,.Ltd was eastiblished in 2000, located in the Suzhou City. With more than 10 years export experience, our products has been best-sellin... We are professional manufacture factory of screws, bolts, rivets, nuts,bushing and non-standard fastener from China. Suzhou Runtai Prcision Hardware Co,.Ltd was eastiblished in 2000, located in the Suzhou City. With more than 10 years export experience, our products has been best-sellin...
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