Fastener designed to attach metal roof and sidewall panels used in pre-engineered metal building applications.
#12 Diameter 5/16″ Cupped HWHself-drilling fastener easily penetrates steel up to .210″ in thickness with no “point walking”.
Cupped head & Washer encapsulate EPDM rubber washer & provide a secure seal even when driven at an angle.
For proper installation, the use of impact drivers are not recommended for powder coated or any wet painted fastener.
Pullout and Pullover values are determined in the ST Fastening Systems Engineering Laboratory using steel panels/framing and wood densities whose structural properties are found in present day products.
MB™ New Micro-Bit Engineering
#12-14 x 1-1/4″
#12-14 x 3/4″
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