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Ground Anchor Systems
Concrete Anchor Systems
Post Tensioning Systems
Threaded Bars with Fasteners
Tie Rods & Tie Backs
Micro Piles
Concrete Forming Hardware Systems
Williams products are made in the USA
High Tensile UNC Threaded Bar
Threaded
Bar Types
UNC Bar
Information
UNC Bar
Accessories
Case
Histories
Corrosion
Protection
Williams High Tensil Tie Rods are available in all diameters shown, with lengths from 3” to 20’-0”. They are available all-threaded, thread one end, or threaded both ends. Short length tie rods threaded both ends under 2’-0” are usually crimped to prevent rotation in the concrete during removal of the Shebolt. Ties threaded each end allow easy spot checking of the connection, to insure proper engagement.
C-1045 UNC Threaded Bar
Structural Properties
Yield Stress
Ultimate Stress
90 / 81 KSI
(621 / 558 MPa)
120 / 105 KSI
(827 / 723 MPa)
Elongation in 2"
(51 mm) bar diameter
Reduction
of Area
11%
20%
UNC Thread Form

UNC Thread Form

C1045 UNC Threaded Bar - ASTM A29
Bar
Diameter
Minimum
Net Area
Thru Threads
Minimum
Ultimate
Strength
Minimum
Yield
Strength
Part
Number
3/8" - 16 UNC
(10 mm)
0.078 in2
(50.0 mm2)
9.30 kips
(41.4 kN)
7.13 kips
(31.7 kN)
B8S-03
1/2" - 13 UNC
(12 mm)

0.142 in2
(91.6 mm2)

17.0 kips
(75.7 kN)

13.1 kips
(58.0 kN)

B8S-04

5/8" - 11 UNC
(16 mm)

0.226 in2
(146 mm2)

27.1 kips
(121 kN)

20.8 kips
(92.5 kN)

B8S-05

3/4"- 10 UNC
(20 mm)

0.334 in2
(216 mm2)

40.0 kips
(178 kN)

30.7 kips
(137 kN)

B8S-06

7/8"" - 9 UNC
(22 mm)

0.462 in2
(298 mm2)

55.4 kips
(247 kN)

42.5 kips
(189 kN)

B8S-07

1"- 8 UNC
(25 mm)

0.606 in2
(391 mm2)

72.7 kips
(324 kN)

55.8 kips
(248 kN)

B8S-08

1-1/8"- 7 UNC
(28 mm)

0.763 in2
(492 mm2)

80.1 kips
(356 kN)

61.8 kips
(275 kN)

B8S-09

1-1/4"- 7 UNC
(32 mm)

0.969 in2
(625 mm2)

102 kips
(453 kN)

78.5 kips
(349 kN)

B8S-10

1-3/8"- 8 UN
(35 mm)

1.23 in2
(794 mm2)

129 kips
(575 kN)

99.6 kips
(443 kN)

B8S-11

1-1/2"- 6 NC
(38 mm)

1.41 in2
(906 mm2)

148 kips
(656 kN)

114 kips
(506 kN)

B8S-12

1-3/4"- 5 UNC
(45 mm)

1.90 in2*
(1226 mm2)

200 kips
(887 kN)

154 kips
(685 kN)

B8S-14

2" - 6 UN
(51 mm)

2.65 in2
(1710 mm2)

278 kips
(1238 kN)

215 kips
(955 kN)

B8S-16

Williams Form Engineering Corp.
Threaded
Bar Types
UNC Bar
Information
UNC Bar
Accessories
Case
Histories
Corrosion
Protection
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