#7 x 1-5/8" Square Drive Trim Head Deck Screws - 305 Stainless Steel Type 17 Point (1000 Pcs) - Perfect for Outdoor Decking, Fencing & Wood Construction Projects

#7 Screw Diameter, #1 Square Drive, Head Diameter: Max 0.234 - Min 0.229 82 Degree Countersunk Flat Head to run flush with installation surfaceSquare Drive - less chance of stripping or slipping than other drive stylesSmall diameter trim head for a less noticeable finished lookLonger lengths feature a shoulder to hold deck boards snugly against main beamsType 17 notched point for easy installationCorrosion & rust resistant 305 stainless steel Deck screws get their name because their most common application is to secure deck boards to the main beams. Trim head stainless steel deck screws differ from a standard bugle head, in that the diameter of the screws head is significantly smaller, and the countersink is a flat head instead of a bugle. These features are designed to make the screw head less noticeable on the finished application when installed. Trim Head Deck Screws 305 Stainless Steel Decking screws in this selection are made of 305 stainless steel. This grade of stainless is commonly used for deck screws because it is corrosion and rust resistant, making it safe for exterior applications. This works especially well with the trim head when the finished look of the application is a concern. Trim Head Trim head deck screws differ from standard deck screws because of their head style. The screw's head features a significantly smaller diameter than the head of a bugle head deck screw, and also uses a tapered countersink style with a flat head. These features are designed to make the screw less noticeable on the finished application. Easy Installation Trim head deck screws feature a square drive, which is less prone to slippage than other drive styles such as Phillips or Slotted. This allows for a higher torque, and a faster installation. Trim head deck screws also feature a notched Type 17 point to aid with chip removal, and sharp cutting threads to hold firmly in the wood or decking boards.