Wright Tool Wright Tool catalog | Page 380

Wright Bolt Sizing Chart
MADE IN USA
Nominal Opening Sizes of Wright Wrenches or Sockets in Inches
to Fit Standard Bolt Heads, Nuts and Screw Heads
Locate thread diameter of bolt, nut or screw in extreme left or right column. Then move across to box which has proper identification of bolt, nut or screw
at top of vertical column. The size in this particular box is the nominal opening size in inches of the Wright Tool wrenches and sockets that will fit.
380
Nuts
Thread
Diameter
of Nut
Finished
Series
And
Finished
Thick
Nuts
Regular
Series
Hex
And
Square
Nuts
Bolts and Screws
Heavy
Series
Hex
And
Square
Nuts
Machine
Screw
Nuts
And
Stove
Bolt
Nuts
Regular
And
Finished
Heavy
Series
Series
Hex And
Hex And
Square
Square
Head Bolts Head Bolts
Lag
Screws
Square
Head
Set
Screws
Thread
Diameter
of Bolt
or Screw
Use wrench or socket size shown below
Use wrench or socket size shown below
#0 & 1 5/32" #0 & 1
#2 & 3 3/16" #2 & 3
#4 1/4" #4
#5 & 6 5/16" #5 & 6
#8 11/32" #10 3/8"
#12
1/4"
#8
9/32"
7/16"
5/16" 1/2" 3/8" 9/16" 7/16" 1/2"
#10
7/32" #12
7/16" 1/4" 1/4"
1/2" 1/2" 5/16" 5/16"
9/16" 9/16" 3/8" 3/8"
7/16"
7/16"
3/16"
3/8"-7/16"*
1/2" 7/16" 9/16" 9/16" 9/16" 5/8" 11/16" 5/8" 11/16" 3/4" 3/4" 5/8"
3/4" 13/16" 7/8" 3/4"
9/16" 7/8" 7/8" 15/16" 13/16"
5/8" 15/16" 1" 1-1/16" 15/16"
5/8" 7/16" 7/16"
7/8" 3/4" 1/2" 1/2"
9/16" 9/16"
1-1/16" 15/16" 5/8" 5/8"
3/4" 1-1/8" 1-1/8" 1-1/4" 1-1/8" 1-1/4" 1-1/8" 3/4" 3/4"
7/8" 1-5/16" 1-5/16" 1-7/16" 1-5/16" 1-7/16" 1-5/16" 7/8" 7/8"
1-5/8" 1-1/2" 1" 1"
1" 1-1/2" 1-1/2" 1-5/8" 1-1/2" 1-1/8" 1-11/16" 1-11/16" 1-13/16" 1-11/16" 1-13/16" 1-11/16" 1-1/8" 1-1/8"
2" 1-7/8" 1-1/4" 1-1/4"
1-1/4" 1-7/8" 1-7/8" 2" 1-7/8" 1-3/8" 2-1/16" 2-1/16" 2-3/16" 2-1/16" 2-3/16" 1-3/8" 1-3/8"
1-1/2" 2-1/4" 2-1/4" 2-3/8" 2-1/4" 2-3/8" 1-1/2" 1-1/2"
1-5/8" 2-7/16" 2-7/16" 2-9/16" 2-7/16" 2-9/16" 1-5/8"
1-3/4" 2-5/8" 2-5/8" 2-3/4" 2-5/8" 2-3/4" 1-3/4"
1-7/8" 2-13/16" 2-13/16" 2-15/16" 2-13/16" 2-15/16" 1-7/8"
2" 3" 3" 3-1/8" 3" 3-1/8" 2"
2-1/4" 3-3/8" 3-3/8" 3-1/2" 3-3/8" 3-1/2" 2-1/4"
2-1/2" 3-3/4" 3-3/4" 3-7/8" 3-3/4" 3-7/8" 2-1/2"
2-3/4" 4-1/8" 4-1/8" 4-1/4" 4-1/8" 4-1/4" 2-3/4"
3" 4-1/2" 4-1/2" 4-5/8" 4-1/2" 4-5/8" 3"
3-1/4" 5" 4-7/8" 3-1/4"
3-1/2" 5-3/8" 5-1/4" 3-1/2"
3-3/4" 5-3/4" 5-5/8" 3-3/4"
4" 6-1/8" 6" 4"
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