M4*16 Blue Zinc-Plated Carbon Steel Hexagon Socket Fillister/Cup Head Sem/Combination Screw

M4*16 Blue Zinc-Plated Carbon Steel Hexagon Socket Fillister/Cup Head Sem/Combination Screw. Customizable Head Types: Available in Phillips, Slotted, Hex, Round, and Torx head styles. Wide Grade Range: Offered in grades 3.6 to 12.9 to meet various strength requirements. Diverse Surface Finishes: Options include Galvanized, Nickel-Plated, Chrome-Plated, and Baking Paint. Multiple Material Options: Available in Carbon Steel, Stainless Steel, Brass, Bronze, and Aluminum. Fast Stock Delivery: In-stock items can be delivered within 3-5 days after payment. Customization Available: Custom screws and packaging can be produced based on customer requests. Strict Quality Control: ISO9001 and SGS certified with experienced technical personnel. NDA Protection: Confidentiality agreements available to protect customer designs.