uxcell M3 x 50mm Partially Threaded Hex Key Socket Cap Head Screws 10pcs Drive Type: Hex Socket; Head Style: Socket Cap Head; Material: Alloy Steel; Package Content: 10 x Hex Socket Head Cap Screw Product Name: Hex Socket Head Cap Screw; Thread Size: M3 x 20mm / 0.8" x 1.2" (D*L); Weight: 29g; Fastener Type: Socket Screw Main Color: Black; Thread Pitch: 0.5mm; Total Length: 53mm / 2.1" Grade: 12.9; Threaded Style: Partially Threaded; Battery Included: No Hex Socket Width: 2.5mm / 0.1"; Head Size: 5.5 x 3mm / 0.22"x0.12"(D*T); Under Head Length: 50mm /2''