material of slotted screws for camera:steel,C12L14,etc Slotted Camera Screws size: M3-M6 D=2-4mm Slotted Camera Screws MOQ:10K Slotted Screws for Camera:A.Product specifications Slotted Screws for Camera Size Norminal diameter: 1/4",M3-M6 D=2-4mmNorminal thickness:0.5-1mm.Custom made products are also welcomed. Slotted Screws for Camera material C12L14,Brass, C1006-C1022,sus200,sus201,sus202, ...