Amazon with VIGRUE-KING OF SCREW has the VIGRUE 190-Piece #8 Self Drilling Black Oxide TEK Screw Assortment Kit (1/2" to 1-1/2") for $18.67 - 50% off with coupon code 502YQPNU [Exp 5/22] = $9.33 with free shipping on $25+ or with Prime. The 180-Piece #8 x 1/2'' to 1-1/4'' Self Drilling Hex Washer Head Tek Screw Assortment is just slightly more with the same code.