Post on 06-Feb-2018
mm
1020
3040
5060
7080
9010
011
012
013
014
015
016
017
018
019
020
021
022
023
0in
12
34
56
78
9
Copyright © 2000-2017 Bolt Depot Inc.
IMPORTANT: Make sure to print this chart to Actual Size (no scaling).After printing, measure the ruler in the margin to ensure correct scale.
US Hex Bolt Sizes and Thread Pitcheswww.boltdepot.com/tools
See boltdepot.com/tools for more details.www.boltdepot.com/tools
Length
1/4” - 20
#10 - 24
#8 - 32
#6 - 32
5/16” - 18
3/8” - 16
7/16” - 14
1/2” - 13
9/16” - 12
1/4” - 28
#10 - 32
5/16” - 24
3/8” - 24
7/16” - 20
1/2” - 20
9/16” - 18
Length is measured from under the headto the end of the bolt
#4 - 40
9/16”
1/2”
7/16”
3/8”
5/16”
1/4”
#10
#8
#6
#4
Coarse thread
Fine thread
Coarse thread
Fine thread
Coarse thread
Fine thread
Coarse thread
Fine thread
Coarse thread
Fine thread
Coarse thread
Fine thread
Coarse thread
Coarse thread
Coarse thread
Coarse thread
Fine thread
US Hex Bolt Sizes and Thread Pitches (continued)
mm
1020
3040
5060
7080
9010
011
012
013
014
015
016
017
018
019
020
021
022
023
0in
12
34
56
78
9
Copyright © 2000-2017 Bolt Depot Inc.
IMPORTANT: Make sure to print this chart to Actual Size (no scaling).After printing, measure the ruler in the margin to ensure correct scale.
www.boltdepot.com/tools
See boltdepot.com/tools for more details.www.boltdepot.com/tools
3/4” - 10
7/8” - 9
1” - 8
5/8” - 11
3/4” - 16
7/8” - 14
1” - 14
5/8” - 18
1”
7/8”
3/4”
5/8”
Coarse thread
Fine thread
Coarse thread
Fine thread
Coarse thread
Fine thread
Coarse thread
Fine thread