Feature:1. M4.2 cross self‑tapping screw, adopts high‑quality 410 stainless steel, which is strong and durable.2. Has good rust resistance, corrosion resistance, heat resistance, low temperature strength, etc.3. Deep thread, uniform pitch, stable force, good fastening force and long service life.4. Standard cross groove design is adopted to improve work efficiency and save time and effort.5. It can tap into various square tubes, color steel tiles and various iron plates with a hardness of about HV300 degrees.Spec:Item Type: Self-Tapping ScrewMaterial: 410 Stainless SteelApplication: Square tube, color steel tile and iron plate with hardness around HV300Quantity: 5Bags, 100Pcs/BagType: M4.2x32mmLength: Approx. 32mm / 1.3inPackage List:5 Bag x Self-Tapping Screws (100Pcs/Bag)Notice:1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.