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Material: Carbon steel.Alloy steel.40Cr alloy steel
Standard: GB /T 70.3&ISO 10642&DIN 7991&DIN EN ISO 10642&ASME B 18.3 &Q 250&IFI 535&ANSI/ASME B 18.3.5M&BS 4168-8&JIS B 1194
Alloy Steel Hex Drive Flat Head Screws are usually made of 40Cr, 35CrMoA, 34CrMo4, and so on. Their strength grades are generally 8.8, 10.9, and 12.9. Alloy Steel Hex Drive Flat Head Screws are suitable for general structures, such as automobiles, machinery, and construction.
The materials of Alloy Steel Hex Drive Flat Head Screws are commonly 40CrNiMoA, 30CrNiMo8, SAE-4140, SAE-4340, and other high-strength alloy steels. Their strength level is usually 10.9 grade and 12.9 grade, and their strength and wear-resistant performance are excellent and suitable for large-scale machinery and important buildings.
Stainless steel Hex Drive Flat Head Screws are usually made of A4-70 and A4-80. Their strength rating is 70kgf/mm² and 80kgf/mm², and their corrosion resistance is excellent, suitable for wet and corrosive environments, such as marine engineering, the chemical industry, food, and other fields.
It should be noted that when choosing high-strength Hex Drive Flat Head Screws, it is necessary to select the appropriate material and strength grade according to the working environment, force situation and use requirements, etc., and carry out the installation and maintenance correctly to ensure the safety and reliability of the connection.
Product Specification
Name: Alloy Steel Hex Drive Flat Head Screws&Metric Alloy Steel Hex Drive Flat Head Screws&Alloy Steel Hex Drive Flat Head Screws
Material: Carbon steel.Alloy steel.40Cr alloy steel
1. Made from alloy steel, these screws are nearly twice as strong as stainless steel flat-head screws. They're angled under the head to sit flush within countersunk holes. Length is measured from the top of the head. Screws with an undercut profile have a shallow head for use in thin materials. Black-oxide alloy steel screws have mild corrosion resistance in dry environments. Zinc-plated alloy steel screws resist corrosion in wet environments.
2. Made from alloy steel, these screws are nearly twice as strong as stainless steel flat-head screws. They're angled under the head to sit flush within countersunk holes. Length is measured from the top of the head. Black-oxide alloy steel screws have mild corrosion resistance in dry environments. Zinc-plated alloy steel screws resist corrosion in wet environments. Screws with a blue-dyed finish have a distinctive blue color that makes them easy to identify.
3. Choose these screws for their adherence to strict military standards for material and construction. They're cadmium plated to resist corrosion in wet environments. Screws are angled under the head to sit flush within countersunk holes. Length is measured from the top of the head.
Size Can also be According to the Customer's requirement for manufacturing, please check the detailed specification sheet details PDF, CAD, 157-158 Page See more product details.
Product Packaging
Packaging: The inner packaging is a plastic bag, and the outer packaging is a carton. Then the tray. Carton size: 29*19*19.5cm and 23.5*17.5*8, cm and pallet size: 215*100*90cm, or as your request.
Product Pictures
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