Product introduction：
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project |
instructions |
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define |
1. Outside hexagon bolt, is his finger and screw fasteners, are widely used in various mechanical equipment, electronic products, communications equipment, furniture, construction and other industries of production, installation and maintenance.
2. The cylinder head hex socket bolts, also known as hex bolt, cup head screws, hex screws; Nail head embedded parts, the connection intensity is bigger, commonly used in all kinds of machine tools and accessories.
3. The hex screws: set is one of the screw hole type; There are special used to support is connected at the end of the part. |
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specifications |
Hexagon head (with groove, recess hexagonal, flange surface) bolt, hex cylinder head screw, hex (flat end, concave end, end, grooving) set screws |
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standard |
National standard, American standard, British standard, German standard |
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material |
Carbon steel, stainless steel, copper, alloy, etc |
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level |
4.8 level，6.8 level，8.8 level，10.9 level，12.9 level |
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Surface treatment |
Galvanized, black oxide, cleaning and polishing, dacromet, nickel and non-ferrous metals, etc | |
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