TORX PLUS SCREW SIZE CHART

Drive
Size

Pan Head

Flat Head

Socket Head

Socket Button

Inch

Metric

Inch

Metric

Inch

Metric

Inch

Metric

1IP --- M0.9 --- M0.9 & M1 --- M0.9 --- ---
2IP --- M1 --- M1.2 --- M1 --- ---
3IP --- M1.2 --- M1.4 --- M1.2 --- ---
5IP --- M1.4 & M1.6 --- M1.6 & M1.8 --- M1.4 & M1.6 --- ---
6IP #1 M1.8 & M2 #2 M2 #0 M1.8 & M2 #2 ---
7IP #2 --- --- --- #1 --- #3 ---
8IP #3 M2.5 #3 & #4 M2.5 #2 & #3 M2.5 #4 M3
10IP #4 & #5 M3 #5 & #6 M3 #4 & #5 M3 #5 & #6 M3.5
15IP #6 M3.5 #8 M3.5 #6 M3.5 #8 M4
20IP #8 M4 #10 M4 --- --- --- ---
25IP #10 M5 #12 M5 #8 M4 #10 M5
27IP #12 --- 1/4 --- #10 M4.5 & M5 1/4 M6
30IP 1/4 M6 --- M6 1/4 M6 --- ---
40IP 5/16 M8 5/16 M8 --- M7 5/16 M8
45IP 3/8 --- 3/8 --- 5/16 M8 3/8 M10
50IP 7/16 M10 7/16 & 1/2 M10 3/8 M10 --- ---
55IP 1/2 M12 9/16 M12 7/16 M12 1/2 M12
55IP --- --- 5/8 --- 1/2 --- --- M14
60IP --- --- 3/4 --- 9/16 M14 5/8 M16
70IP --- --- --- --- 5/8 M16 --- ---
80IP --- --- --- --- 3/4 M18 --- ---
90IP --- --- --- --- --- M20 --- ---
100IP --- --- --- --- 7/8 & 1 M22 & M24 --- ---