Dimensions Guide
ESR-1078 
|
 Most Widely Accepted and Trusted  Page 4 of 8 
TABLE 1C—FASTENER SPECIFICATIONS: LEDGERLOK AND LOGHOG FASTENERS 
LEDGERLOK
®
/ 
LOGHOG
®
FASTENER 
DESIGNATION 
HEAD 
MARKING 
OVERALL 
LENGTH
1
(inches) 
LENGTH OF 
THREAD
2
(inches) 
UNTHREADED 
SHANK 
DIAMETER 
(inch) 
MINOR THREAD 
(ROOT) 
DIAMETER 
(inch) 
BENDING 
YIELD
3
(F
yb
, psi) 
ALLOWABLE 
FASTENER STRENGTH 
Tensile 
(lbf) 
Shear
4
(lbf) 
LL358 
F3.6 
3
5
/
8
2 
0.228 
0.202 
200,700 
1,833 
1,235 
LL005 
F5.0 
5 
3 
LHOG009 
F9.0 
9 
3 
183,200 
1,335 
890 
LHOG011 
F11.0 
11 
3 
LHOG013 
F13.0 
13 
3 
LHOG015 
F15.0 
15 
3 
For SI: 1 inch = 25.4 mm, 1 lbf = 4.4 N, 1 psi = 6.895 kPa. 
1
For purposes of measuring overall fastener length, fasteners must be measured from the underside of head to bottom of tip. 
2
Length of thread includes tip. See detailed illustration. 
3
Bending yield strength determined per methods specified in ASTM F1575 and based on the minor thread diameter. 
4
Allowable shear strength values apply only to shearing in the unthreaded shank portion of the fastener. 
TABLE 1D—FASTENER SPECIFICATIONS: TRUSSLOK FASTENERS 
TRUSSLOK
®
FASTENER 
DESIGNATION 
HEAD 
MARKING 
OVERALL 
LENGTH
1
(inches) 
LENGTH OF 
THREAD
2
(inches) 
UNTHREADED 
SHANK 
DIAMETER 
(inch) 
MINOR THREAD 
(ROOT) 
DIAMETER 
(inch) 
BENDING 
YIELD
3
(F
yb
, psi) 
ALLOWABLE 
FASTENER STRENGTH 
Tensile 
(lbf) 
Shear
4
(lbf) 
EWS338 
F3.3 
3
3
/
8
1
1
/
2
0.228 
0.215 
218,400 
1,833 
1,235 
EWS005 
F5.0 
5 
EWS670 
F6.7 
6
7
/
10
For SI: 1 inch = 25.4 mm, 1 lbf = 4.4 N, 1 psi = 6.895 kPa. 
1
For purposes of measuring overall fastener length, fasteners must be measured from the underside of head to bottom of tip. 
2
Length of thread includes tip. See detailed illustration. 
3
Bending yield strength determined per methods specified in ASTM F1575 and based on the minor thread diameter. 
4
Allowable shear strength values apply only to shearing in the unthreaded shank portion of the fastener. 










