Simpson MTH114S #7 Underlayment Screw 1-1/4 2500-Count

Size: 1-1/4 ; #7 Underlayment; Use the BIT2S bit to drive this screw; Fully threaded; 2 500 count box; Curved collation; Gray phosphate finish; Hi-Lo threads; Nibs under the head for easier countersinking; Sharp point; Trim head; Curved collation.; Applications: Drywall-wood wood-wood drywall-light steel; Buglehead square head with nibs for easier countersinking;