Material: High quality Zinc alloy with high hardness. These furniture screws are wear-resistant and very durable to use. Standard internal hex socket type without burr and non-slip design.<br> Usage: Pre-drill /drill a well-sized hole (Suggest that the diameter of the hole is 9.6 +/- 0.2mm, the length is about 18mm), then use a 6mm internal hex tool to screw in (6mm Hex Spanner Included). Tip: If the furniture wood is with high-hardness, please enlarge the screw hole.<br> Applications:These furniture screws are suitable for furniture hardwood/ solid wood, for furniture combinations.<br> Thread Type: M6<br> Total Length: 15mm<br> External Diameter: 10.5mm<br> Internal Hex:6mm<br> Material: Zinc alloy<br> Hex Spanner: 6mm<br> color:Brass<br> Package Contents:<br> 100 x M6x15mm Screws<br> 1 x 6mm hex spanner<br> Only the above package content, other products are not included.<br> Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.