1 In,1-1/2in,2-1/2in Hex Wahser Head Screw Bi-metal Screws Solar Roofting Screw Tek 5 Self Drilling Screw Self Tapping Screws with EPDM

• Head Type: Hex Washer Head, which offers a larger surface area for better torque application and is designed with a bonded washer for enhanced sealing capabilities.

• Drill Point: The drill point enables direct drilling into the material, saving time and effort on the job site.

• Washer: An EPDM (Ethylene Propylene Diene Monomer) bonded washer is often included for added water resistance and sealing, which is crucial in roofing applications.

• Sizes: Available in a range of sizes from ST2.9 to ST6.3 (#4 - #14), allowing for use in different thicknesses of metal roofing materials.

• Lengths: Offered in lengths from 10mm to 300mm, suitable for various roofing profiles and substrate depths.

• Materials: Manufactured from stainless steel grades such as SUS201, 304, 316, 410, or carbon steel grades like C1018, C1022, C10B21, ensuring durability and resistance to corrosion.

• Surface Treatments: Options include galvanization, painting, power coating, and nickel plating, providing additional protection against the elements and enhancing the screw's lifespan.

• Standards: Adhere to standards such as DIN7504k for quality assurance.

• Applications: Widely used in construction for metal roofing, industrial, furniture, sanitary, electronics, and traffic applications.

Manufacturers likeJiaxing Goshen Hardware Co., Ltd.ensure quality through certifications such as ISO9001:2015 and offer guarantees against defects in materials and workmanship.

• Customized services are available, including various head styles, thread styles, point styles, and surface treatments to meet specific project requirements.

• Typically packaged in small boxes with a protective carton and pallet, or customized as per client request.

  
  

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• The order quantity accommodating both small and large orders.

• Samples are available upon request, with existing samples being free of charge, except for the express freight cost.

• Customized products can be ordered by providing detailed drawings and specifications.

• Payment terms are flexible, with options for advance payment or a balance before shipment, depending on the order amount.

• Delivery times are prompt, with in-stock products shipping within 5 working days and custom orders typically taking 8-20 working days after finalizing details.