PATIKIL & MonsterBolts M4 Screw & Washer Combo Kit - Suitable for custom sheaths

10 pcs Anodized Aluminum Countersunk Washers + 10 pcs M4 x 8mm Alloy Steel Flat Head Socket Cap Screws Complete DIY Hardware Kit – Includes 10 anodized aluminum countersunk washers (PATIKIL) and 10 M4 x 8mm flat head socket cap screws (MonsterBolts), ideal for assembling or customizing handcrafted protective cases. High-Quality Materials – Alloy steel screws with black oxide finish for durability and corrosion resistance; anodized aluminum washers are lightweight and long-lasting. Designed for Handcrafted Cases – Countersunk washers fit perfectly under flat head screws, providing secure fastening without damaging your handmade protective covers. Easy to Use & Identify – Red washers and black screws allow quick visual distinction, making assembly fast and precise for DIY projects. Versatile DIY Application – Perfect for customizing or repairing handcrafted protective cases, as well as other small mechanical projects, 3D printed models, or electronics enclosures.