camera tripod screws material: steel , stainless steel camera screws ... camera screw head shape:with a D ring camera tripod screws :A.Product specifications Camera Screws Size Norminal ... 1mm.Custom made products are also welcomed. camera tripod screws material C1006-C1022,sus200,sus201,sus202,sus302,sus303 ... ,sus304,A2-70,A4-70,heated alloy steel,Japan SUH660,America A286 ...