5/16-18 x 1-1/2 Elco Dril-Flex / Hex Washer Head / Steel / Stalgard / QTY 1000 Evaluation Service (ICC-ES)

Evaluation Service (ICC-ES)

Fasteners accept standard nuts and washers (if desired and/or required)

8X1 5/8 Phillips Modified Truss Head Fine Thread Drywall Screw Fully Threaded Zinc

10X1 Phillips Bugle Head Coarse Thread Drywall Screw Black Phosphate Particle Board

ductility and reliability

5/16-18 x 1-1/2 Elco Dril-Flex / Hex Washer Head / Steel / Stalgard / QTY 1000 Evaluation Service (ICC-ES)Dril Flex Structural Screws are dual heat treated self drilling tapping screws that provide the strength, ductility and resistance to embrittlement required for critical applications. Features & Specs High hardness point and lead threads for drilling and tapping Stalgard and Stalgard SUB Coatings provide improved corrosion resistance as well as enhanced galvanic compatibility in dissimilar metal applications, including those involving aluminum,