factory direct sales 304 stainless steel cross flat-head screw countersunk head din965 cross countersunk head screw fastener

Product Features

• Appearance and StructureThe design with a 90° cone angle at the head, the surface is flat, and after tightening, the screw head can completely sink into the workpiece, not protruding from the workpiece surface, making the connection part more beautiful and flat.
• Trough-shaped AdvantageAdopting a cross-slot design, compared to traditional slot screws, the strength of the cross-slot is higher. It is less likely to damage the screwdriver and screw slot during tightening and loosening, which can achieve automated installation and disassembly.

Specifications and Dimensions

• Diameter SpecificationThere are usually M1.6, M2, M2.5, M3, M3.5, M4, M5, M6, M8, etc. The minimum diameter usually starts from M1.6, and the maximum diameter can reach about M10.2。
• Length RangeThe length specifications are diverse, with common sizes including 6mm, 8mm, 10mm, 12mm, 16mm, 20mm, 25mm, 30mm, 40mm, and 50mm, among others. You can choose the appropriate length based on your specific connecting needs.25。

Material properties

• Carbon steelMaterials such as 4.8-grade and 8.8-grade carbon steel have high strength and hardness, capable of withstanding significant tensile and shearing forces. They are suitable for general mechanical connections and structural fixation, with relatively low costs.4。
• Stainless steelCommonly available grades of stainless steel include A2-50, A2-70, A4-50, and A4-70, which possess excellent corrosion resistance and aesthetic appeal. Suitable for humid, corrosive environments or situations with high aesthetic requirements.2。

Application field

• Electronic and Electrical EquipmentUsed for the assembly of shells of electronic products such as computers, mobile phones, and televisions, as well as the fixing of internal wiring and components in electrical control cabinets and distribution cabinets, it can ensure the beauty of the equipment's appearance and the firmness of the connection, while preventing the corrosion of rust on screws from affecting the performance of the equipment.2。
• Machinery and Equipment ManufacturingIn the connection and tightening of various machinery equipment such as machine tools, motors, pumps, fans, etc., it is widely used and can effectively prevent the loosening of screws due to vibration and impact during equipment operation, ensuring the normal operation of the equipment.2。
• Furniture manufacturing：常用于家具的组装，如桌椅、柜子、床等，可使家具表面更加平整美观，避免螺钉头外露影响家具的外观和使用安全。
• Automobile IndustryIn the connection of car engine, chassis, interior decoration and other parts, it can provide reliable tightening force, and its recessed head design can reduce the impact on the car appearance, improving the overall beauty and safety of the car.