Typical Dimensional & Torque Specifications of TORX Tools

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Typical Dimensional & Torque Specifications of TORX Tools
For use with Internal Socket Head Type TORX Screws

 
TORX Point to Point Approximate Dimensions
T-Size Inch Metric Maximum Torque
T3 .046 1.17mm -
T4 .050 1.28mm -
T5 .055" 1.42 mm .43 N m
T6 .066" 1.70 mm .75 N m
T7 .078" 1.99 mm 1.4 N m
T8 .090" 2.31 mm 2.2 N m
T9 .098" 2.50 mm 2.8 N m
T10 .107" 2.74 mm 3.7 N m
T15 .128" 3.27 mm 6.4 N m
T20 .151" 3.86 mm 10.5 N m
T25 .173" 4.43 mm 15.9 N m
T27 .195" 4.99 mm 22.5 N m
T30 .216" 5.52 mm 31.1 N m
T40 .260" 6.65 mm 54.1 N m
T45 .306" 7.82 mm 86.2 N m
T50 .346" 8.83 mm 132 N m
T55 .440" 11.22 mm 252 N m
T60 .519 13.25 mm 437 N m

1 N m = 8.851 lbfin


Typical Dimensional Specifications of TORX Sockets or
Nut drivers For use with External TORX Head Type Bolts.

External Sockets
Socket E-Size Inch Metric
E-4 .150" 3.83mm
E-5 .185" 4.72mm
E-6 .225" 5.69mm
E-7 .241" 6.17mm
E-8 .292" 7.47mm
E-10 .367" 9.37mm
E-12 .436" 11.12mm
E-14 .503" 12.85mm
E-16 .576" 14.71mm
E-18 .652" 16.64mm
E-20 .722" 18.41mm

 


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 --- ---

 



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