uxcell M3 x 20 Hex Bolt Socket Head Cap Machine Screws Black 100 Pcs<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Product Name : Socket Head Cap Screws;Material : 12.9 Grade Alloy Steel;Color : Black</li><li>Screw Standard : M3 x 20;Thread Dia. : 3mm;Thread Pitch : 0.5mm</li><li>Thread Length : 20mm / 0.8";Head Diameter : 5.5mm</li><li>Head Height : 3mm;Hex KeySize : 2.5mm</li><li>Weight : 122g;Package Content : 100(+/-2%) x Socket Head Cap Screws</li></ul></div><img src="http://ecx.images-amazon.com/images/I/414QDSBpuFL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/311g7f9UO1L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31s5ApiMRFL.jpg" noproxy>