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• Tapping screws that are designed to be used in wood or light gauge metal in a pre-drilled hole. See Fastener Selection Guide for proper drill bit sizes.

• Screws can be used as replacements for nails or screws that have loosened from wood or steel.

• 3/8" HWH with EPDM bonded sealing washer provides maximum pullover strength in high wind uplift applications.

• EPDM rubber & HH with EPDM bonded sealing is vulcanized to a steel washer to form an excellent seal & will cover any existing hole to prevent leaks from re-occurring.

• Screws are available in both carbon steel with mechanical zinc plating.

FOR PROPER APPLICATION, THE USE OF IMPACT DRIVERS ARE NOT RECOMMENDED ON ANY PAINTED FASTENER



 

 



• Type AB fasterners are designed to attach long-life roof panels such as GALVALUME that are used in pre-engineered metal building application. Type A fasteners are designed for use in wood framed buildings.

• Fasteners are also used in retrofit applications in which existing screws have stripped/backed out & need to be replaced with a larger diameter.

• 5/16" Cupped HWH ZAMAC 5 Zinc-Aluminum Alloy provides lifetime protection against red rust on the head & washer face. The ZAMAC 5 alloy is stronger than the more common ZAMAC 3 alloy. A written warranty is available upon request.

• The head & washer face captures the rubber EPDM washer even when driven at an angle & are designed to maximize Pull over strength.

FOR PROPER APPLICATION, THE USE OF IMPACT DRIVERS ARE NOT RECOMMENDED ON ANY PAINTED FASTENER



 

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