Durable Industrial Countersunk Head Screws with Customization Options

• Customization: Available
• Material: Stainless Steel
• Type: Round Head
• Model NO.: 1-1
• Groove: Flower
• Connection: Common Bolt
• Head Style: Round
• Standard: DIN
• Grade: 6.8
• Applicable Industries: Construction, Manufacturing
• Surface Treatment: Whitewash
• Whether to Support Customization: Support
• After-Sales: Three Months
• Transport Package: Container Loading
• Specification: 1-30
• Trademark: Huilin
• Origin: Handan, Hebei
• HS Code: 0101101010
• Production Capacity: 50000

Product Description

Countersunk Torx countersunk screws ® Socket Head Screws). Enhance your projects with our meticulously designed screws, offering unparalleled precision and reliability.

1. Head design: Integrated Plum Blossom Sinking Head. Engineered for perfection, this head design ensures seamless integration and flawless alignment.

Countersunk: The head's cone angle, precisely crafted at 82 ° to ISO 2009 standards, lies flush with the material surface, making it ideal for applications demanding supreme flatness, such as sophisticated furniture panels and sleek electronic device casings.

• Plum blossom trough (Torx) ®/ Star groove: The hexagonal star groove design guarantees high torque transmission with specific batch heads (T15-T30), enhancing anti-slip capabilities by over 70% compared to traditional cross grooves. Perfect for high-speed electric tool installations, with recommended speed ≤ 3000RPM.

2. Thread and stem characteristics. Our threads and stems are crafted for excellence, ensuring optimal performance in various applications.

• Thread type: Choose the right thread for your needs, offering precision and strength.

Self tapping thread (ST series): Featuring a cutting edge at the tip, these threads effortlessly penetrate cork or thin metal plates, like aluminum alloys up to 3mm thick, without the need for pre-drilling.

Machine thread (M series): Designed for use with pre-drilled holes and nuts, these are ideal for high-load scenarios, such as robust steel structure connections.

• Rod material and coating: Our rods boast unmatched durability, designed to withstand diverse environments.

Carbon steel (10B21/45 # steel): Heat-treated to achieve a hardness of HRC38-42, perfect for standard indoor loads.

Stainless steel (304/316): Offering superior corrosion resistance, these materials are perfect for outdoor or humid conditions, including marine equipment and pool accessories.

• Surface coating: Our coatings are engineered for protection, ensuring longevity and resistance.

Galvanized (blue white/color zinc): Provides industrial-grade rust prevention, passing salt spray tests of ≥ 72 hours.

Dakro: Withstands salt spray for ≥ 500 hours, ideal for coastal environments or areas exposed to chemical corrosion.