Woodscrews, literally and practically, is used for fastening two or more pieces of woods. The pitches are no such close as hex cap screws, and the product has a sharp end which is shaped for easy drilling.
18-8/316 HEX HEAD LAG SCREWS Diameter: 1/ 4" - 5/ 8 " x Length: up to 8 "
DIN 571 A 2/A4 HEX WOOD SCREWS Diameter: M6 - M16 x Length: up to 200mm