Macsim 10 x 50mm Stainless Steel Countersunk Decking Screws - 1000 Pack Special Order. 304 Grade Stainless Steel for corrosion resistance. Extra Hold Countersunk Self Embedding Head with 6 Nibs. These are Type 17 Decking Screws - 10G x 50mm used for Decking applications, manufactured from high quality 304 grade Stainless Steel to offer corrosion resistance.Suitable for fixing into hard and soft timbers although pre-drilling is required for hardwoods. Complete with Countersunk Self Embedding head (with 6 nibs) and No. Available in convenient and economical plastic pack of 1000pcs. This item is in the category "Home & Garden\Building Materials & DIY\Nails, Screws & Fasteners\Screws & Bolts". The seller is "easygoing-guy" and is located in this country: AU.