20 rows Wood Screw Specifications. Wood screw dimensions and their fractional equivalents, making fastener sizing a lot easier. 20 rows Your shopping cart is empty. Subtotal: $0.00 Quick Add Cart / Checkout: Quick Add These wood screws are thread forming screws with These wood screws are thread forming screws with larger threads and sharp points for ease of installation. Used for directly fastening 2 wood surfaces. No matter what the project or what size the job; Grip-Rite has the optimal fastening solution.

Screw sizes are designated by a number that indicates the diameter and the length of the screw in inches (Table 10-2). The smallest diameter screw is 0, and heremonly available is 24. For bench work, the most useful sizes are 4 through 12. When selecting the wood screw size and length that best suits your requirements, keep in mind that the threaded portion of a wood screw takes up approximately 2/3 of the total length of the screw leaving 1/3 for the shank and head. Your shopping cart is empty. Subtotal: $0.00 Quick Add Cart / Checkout: Quick Add

D. Lawless Hardware - Screws , Available in Large Variety of Sizes and Finishes. Wood Screw Information and Specifications. SCREW SIZING. The general size of a screw is given a number. As the number increases, so does the size of the entire screw , both head size and shaft size --but not length.