Wiha Tools USA - selling Wiha made hand tools in the United States since 1985

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 --- ---