product name:recessed hex bolts color:white,black,bright zinc plated,and so on material: stainless steel,iron,and so on. a,Our product has high quality and competitive price b,The size can also be changed as demands c,Can de made as designed 1,Products DetailesMaterial1.Stainless Steel:SS201, SS303, SS304, SS316, SS410, SS4202,Steel:C45(K1045), C46(K1046),C203.Brass:C36000 ( C26800), C37700 ( ...