Professional Hex Washer Head Tapping Screws for High-Performance Applications

BOSS supplies versatile self-tapping screws in stainless steel and carbon steel, engineered for aluminum alloy sheets and applications requiring superior clamp loads with multiple head types and thread configurations.

Hex Washer Head Tapping Screw

We offer a variety of self tapping screws made from both stainless steel and carbon steel. They are ideal for use with aluminum alloy sheets when using stainless steel tapping screw and using both self tapping screws when high clamp loads are required.

Specification

  • Material: carbon steel, stainless steel, brass, aluminum
  • Diameter: #0 ~ #17 or M2 ~ M6.3
  • Length: 1/4" ~ 8" or 6mm ~ 200mm
  • Standard: IFI, DIN, JIS, BS

Head Type

  • flat (C.S.K.)head, pan head, oval head, hex washer head, hex flange head, wafer head, flat washer head, pancake head, bugle head, pan framing head, trim head, flat head with undercut, fillister head, cheez head, mod, truss head, truss (mushroom) head, and etc.

Drive Type

  • phillips, star, poze, square, slot, phillips/slot, phillips/square

Thread Type

  • type a, type b, type ab, type c, hi-low, double level thread, twinfast, coarse thread (60゚), deep thread(45゚) , type 17, type 23, type 25, type f, type u

Best Sale

How can you ensure weather-resistant fastening with superior holding power for metal roofing installations?

BOSS hex washer head tapping screws deliver exceptional clamping force and corrosion resistance through premium stainless steel construction, combined with integrated washer head design that distributes load effectively across metal panels. Our ISO 9001 certified fasteners meet international roofing standards, ensuring long-term durability and weather-resistant performance for both new installations and retrofit projects. Request a technical consultation to specify the ideal screw configuration for your roofing application.

Our hex washer head tapping screws feature multiple drive types—phillips, star, pozidriv, square, slot, and combination options—enabling seamless integration into existing assembly processes. With over 20 years of manufacturing expertise and ISO 9001 certification, BOSS delivers consistent quality and reliability for OEM manufacturers, fastener distributors, and construction contractors worldwide. Whether you require standard configurations or custom specifications including eco-friendly coatings, our technical team stands ready to develop tailored fastener solutions that optimize your assembly efficiency, reduce installation time, and enhance structural integrity. Contact our international sales department today to discuss your hex washer head tapping screw requirements and discover how BOSS can support your project success.


Hot Products

Stainless Steel Screw

Stainless Steel Screw

BOSS provide high quality of Stainless Steel screws which made in Taiwan. Stainless steel is the best at protecting screws from corrosion.Our company are able to offer 302, XM7, 304, 305 & 316 which can be used...

Read More
Self-Drilling Screw

Self-Drilling Screw

Self-Drilling screws are designed to drilling through the hard surface object without drilling holes. BOSS manufactures with variety Self-Drilling screws and Drill points with #1 through #5. The dill point...

Read More
Eco-Friendly Coating Screw

Eco-Friendly Coating Screw

BOSS is experienced and knowledgeable in surface coating screws, provide various types of coating service to meet customers' needs. Our company attach importance to environmental pollution in recent years,...

Read More