DIN571 Hexagon Head Wood Screws 六角木螺釘 Thread 4 5 6 8 10 12 16 20 s 7 8 10 13 17 19 24 30 e min 7.50 8.63 10.89 14.2 18.72 20.88 26.17 32.95 k 2.8 3.5 4 5.5 7 8 10 13 d1 4 5 6 8 10 12 16 20 L 16-200
