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Brand Name : Runtai
Model Number : Hex Head Screws
Certification : ISO9001/TS16949
Place of Origin : Jiangsu, China (Mainland)
MOQ : 50000
Price : Negotiable
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
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.
More Products Pictures
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High Strength Black Hex Head Screws Grade 12.9 With External Hex Drive Images |