Flat Head Tapping Screws high strength roofing wood screws
Size：M2-M36
Manufacturing standard：ISO, GB, JIS, DIN, BS and ANSI standards, or drawings provided by customers.
Materials： iron, carbon steel, alloy steel, copper, stainless steel, plastics, high-temperature alloy, copper alloy, nickel-base alloy, high-strength alloy, corrosion-resistant alloy, etc.
Process： cold heading, punching, turning, milling, wire cutting, etc.
Treatment/Finishing: Brushing、Anodizing、Zinc Plated、Nickel Plated、Sn Plated.
Requirements： No Burrs、Scratches、Dents、Pits
Application： Structural Steel; Metal Building; Oil&Gas; Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating
Packing：bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand
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Product Name
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Flat Head Tapping Screws
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Size
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M1-M6 or Customized Size
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Material
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Steel,Stainless Steel,Alloy steel,Carbon Steel,Brass,Aluminum and So on
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Thread Type
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Fine Thread Or Coarse Thread or Hi-Lo Thread
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Grade
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4.8,8.8,10.9,12.9.etc
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Standard
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GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS etc
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Non-standards
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OEM is available, according to drawing or samples
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Finish
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Plain, black, zinc plated/according to your requirement
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Certification
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ISO9001,IATF16949,ISO14001
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Package
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according to customers requirement
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USE
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Automobile, aviation, new energy, high-speed rail
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Flat head tapping screws are essential components in applications requiring a clean, flush finish. Designed with a countersunk head, these screws sit level with the surface, making them ideal for cabinetry, electrical covers, and structural panels. Typically conforming to standards like ANSI B18.6.4 or DIN 7982, they are available in carbon steel (Grade 1022) or stainless steel (A2 or A4), with optional surface treatments such as zinc plating or black phosphate for corrosion resistance.
These self-tapping screws are engineered with either Type A or Type AB threads, ensuring efficient penetration into thin metal or plastic substrates without the need for pre-tapping. Drive types like Phillips, Pozidriv, or even Torx are common, allowing high torque transmission and reducing cam-out risk. Flat head tapping screws are often used in HVAC installations, appliances, and industrial assembly where both function and finish are critical.
Their flush fit and strong holding power make them indispensable in precision work, especially where aesthetics and mechanical reliability must be balanced.
