Amazon with VIGRUE-KING OF SCREW has the VIGRUE 588-Piece Stainless Steel Socket & Button Head Screw & Nut Kit for $27 - $12 off with coupon code TNM7U5VC [Exp 4/26] = $15 with free shipping on $25+ or with Prime.

Includes an assortment of M3, M4, M5, M6 socket head screws, and M3, M4, M5 button head screws with matching nuts.