... 8.8,9.8.. Non Standard Bolts,Non Standard Hardware,USA Bolts And Nuts.1.What’s the specification of our ... Aluminum are available.Carton steel is high quality iron,such as 1022,1018,1010,1008,1015...Medium ... SizeThe Diameter :Generally,it is M2-M12 in our fasteners.The length :ordinary,It is less than 300mm ... more than 20 years experiences in screw,bolt,nut,washer,rivet, stud, pin,wrench and so on .2. Our ...