Specification

ESR-1078
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Most Widely Accepted and Trusted Page 3 of 8
TABLE 1A—FASTENER SPECIFICATIONS: OLYLOG AND TIMBERLOK FASTENERS
OLYLOG
®
/
TIMBERLOK
®
FASTENER
DESIGNATION
HEAD
MARKING
OVERALL
LENGTH
1
(inches)
LENGTH OF
THREAD
2,4
(inches)
UNTHREADED
SHANK
DIAMETER
(inch)
MINOR THREAD
(ROOT)
DIAMETER
(inch)
BENDING
YIELD
3,5
(F
yb
, psi)
ALLOWABLE
FASTENER STRENGTH
Tensile
(lbf)
Shear
6
(lbf)
TLOK212 or LOG212 F2.5 2
1
/
2
1
1
/
4
0.189 0.172
167,300
1,300 940
TLOK04 or LOG004 F4.0 4 2
190,600
TLOK06 or LOG006 F6.0 6 2
TLOK08 or LOG008 F8.0 8 2
LOG009 F9.0 9 2
1,145 800
TLOK10 or LOG010 F10.0 10 2
LOG012 F12.0 12 2
LOG014 F14.0 14 2
LOG016 F16.0 16 2
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
Fastener installation and design values require complete threaded portion to be embedded in the main member.
5
Fastener bending yield strength is determined by the 5 percent diameter (0.05D) offset method of analyzing load-displacement curves
developed from bending tests.
6
Allowable shear strength values apply only to shearing in the unthreaded shank portion of the fastener.
TABLE 1B—FASTENER SPECIFICATIONS: HEADLOK FASTENERS
HEADLOK
®
FASTENER
DESIGNATION
HEAD
MARKING
OVERALL
LENGTH
1
(inches)
LENGTH OF
THREAD
2,4
(inches)
UNTHREADED
SHANK
DIAMETER
(inch)
MINOR THREAD
(ROOT)
DIAMETER
(inch)
BENDING
YIELD
3,5
(F
yb
, psi)
ALLOWABLE
FASTENER STRENGTH
Tensile
(lbf)
Shear
6
(lbf)
HLGM278 F2.8HL 2
7
/
8
2
0.191 0.172 187,300 1,215 965
HLGM412 F4.5HL 4
1
/
2
2
HLGM6 F6.0HL 6 2
HLGM8 F8.0HL 8 2
HLGM10 F10HL 10 2
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
Fastener installation and design values require complete threaded portion to be embedded in the main member.
5
Fastener bending yield strength is determined by the 5 percent diameter (0.05D) offset method of analyzing load-displacement curves
developed from bending tests.
6
Allowable shear strength values apply only to shearing in the unthreaded shank portion of the fastener.