uxcell Laptop Shockproof Phillips Flat Head Bolts HDD Hard Drive Screws 50pcs Product Name: Hard Drive Screw; Material: Carbon Steel, Nickel Plated Weight: 88g; Package Content: 50 (+/-2%) x Hard Drive Screw Overall Size: 11.5 x 10.3mm/ 0.45" x 0.4" (L*D); Main Color: Silver Tone Thread Size: 3.3 x 5mm/ 0.13" x 0.2"(D*L); Head Thickness: 1.6mm/ 0.063" Phillips Size: 4mm/ 0.16"; Head Type: Phillips Flat Head