Head Style: Flat Head; Main Color: Silver Tone; Material: 316 Stainless Steel Package Content: 20 x Phillips Machine Screws; Product Name: Phillips Machine Screw; Thread Size: M4 x 45mm / 0.16" x 1.77"(D * L) Weight: 75g; Head Size: 8.1 x 3mm / 0.32" x…