Slotted capstan screws Zinc plated steel M4 x 20mm 1 box (about 100 pcs.) Slotted capstan screws Zinc plated steel M5 x 20mm 1 box (about 100 pcs.) Slotted capstan screws Zinc plated steel M6 x 20mm 1 box (about 100 pcs.) Slotted capstan screws Zinc plated steel M8 x 20mm 1 box (about 100 pcs.) Alternatively please indicate minimum order quantity