80 Pcs(40 Sets) M4/M6(16/20/25/35mm) Connecting Screws Bolts Furniture Fastener Binding for Frames Cupboard Cabinet Wood Boards(Black)

【High Material】The flat round head hexagon socket screws are made of carbon steel plated with black zinc, smooth and round surface without burrs, standard thread pitch, uniform force. 【4 Sizes】Each set include a threaded sleeve and a screw. 40 sets(80 Pcs) include M4 x 16mm(15 sets), M4 x 20mm(15 sets), M6 x 25mm(5 sets), M6 x 35mm(5 sets), wrenches to meet your demands. 【Easy to Use】The metal connecting screws bolts are practical for connecting 2 objects into a complete one, first you need to drill or punch a hole on the object, while making sure the hole is larger than the diameter of female rod, then place the screws and bolts on both sides of the object to be connected, and choose appropriate tools to hold and fix it tightly. 【Wide Application】This binding screw bolt is not only perfect for DIY handmade such as bags, belts, leather products, sandals, boots,book and photo album, but also suitable for connecting wooden boards, furniture shelves, cabinets etc. 【Satisfaction Guarantee】If you have any problems when you use our products, please feel free to contact us on Amazon for a full refund or replacement service. We will contact you as soon as possible.