Borney Legnami offers a vast assortment of Duofix wood screws (yellow, zinc-coated, 8-10 mm in diameter) made by Unifix which include yellow, zinc-covered washers.
Here are only some of the advantages of this product from a very, long list:
- The TORX imprint
- The non-slip screwhead available in 24 sizes
- Double threading
- Outer-cut threading
- 20 degree tip
- The lubricated shell made from synthetic materials for the quick insertion of the screw