... M8*20-100 M10*20-100 M12*20-100 M14*30-100 M16*30-100 M18*40-100 M20*40-100 M22*50-100 M27*50-100 M30*50 ... , black, plain,H.D.G7) material :Carbon Steel,swrch35k,45k8)thread;BSW,BSF,UNC,UNF etc.9)certifications: ISO9001:2000, the ... or 25kg carton lined with plastic bags+ strong wooden pallet AND at buyer's option13)delivery lead time: 30days high quality and best price hex bolt