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Ground Anchor Systems
Concrete Anchor Systems
Post Tensioning Systems
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Concrete Forming Hardware Systems
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Grade B7 High Impact Threaded Bar
Threaded
Bar Types		 Grade B-7
Information		 Grade B-7
Accessories		 Case
Histories		 Corrosion
Protection
Grade B7 High Impact Threaded Bar
Williams ground anchors can be specified using our high impact Grade B-7 material. This product may be desireable in extremely cold temperatures or where rock fall may impact the anchor head. Bars come standard with N.C. or coil thread forms.
Structural Properties
Yield Stress
Ultimate Stress
105 KSI
(723 Mpa)
125 KSI
(1034 Mpa)
Elongation in 20
bar diameter
Reduction
of Area
16% 50%
Charpy at -20º F (-29º C)
20 ft./lbs.
(27 Joules)
UNC Thread Form

UNC Thread Form

Coil Thread Form

Coil Thread Form
B8V Grade B7 High Impact Bar - ASTM A193
Bar
Diameter		 Minimum
Net Area
Thru Threads		 Minimum
Ultimate
Strength		 Minimum
Yield
Strength		 Nominal
Weight		 Approx.
Thread
Major Dia.		 Part Number
1/2" - 13 UNC
(12 mm)		 .142 in2
(91 mm2)		 18 kips
(80 kN)		 15 kips
(66.7 kN)		 .53 lbs./ft.
(.789 Kg/M)		 1/2"
(13 mm)		 B8V-04

5/8" - 11 UNC
(16 mm)

.226 in2
(145 mm2)

29 kips
(129 kN)

24 kips
(108 kN)

.84 lbs./ft.
(1.25 Kg/M)

5/8"
(16 mm)

B8V-05
3/4"- 10 UNC
(20 mm)

.334 in2
(215 mm2)

42 kips
(187 kN)

36 kips
(160 kN)

1.22 lbs./ft.
(1.82 Kg/M)

3/4"
(20 mm)

B8V-06
7/8"" - 9 UNC
(22 mm)

.462 in2
(298 mm2)

58 kips
(258 kN)

49 kips
(218 kN)

1.71 lbs./ft.
(2.54 Kg/M)

7/8"
(22 mm)

B8V-07
1"- 8 UNC
(25 mm)

.606 in2
(391 mm2)

76 kips
(338 kN)

64 kips
(285 kN)

2.12 lbs./ft.
(3.15 Kg/M)

1"
(25 mm)

B8V-08
1-1/8"- 7 UNC
(28 mm)

.763 in2
(492 mm2)

96 kips
(427 kN)

81 kips
(360 kN)

2.67 lbs./ft.
(3.97 Kg/M)

1-1/8"
(28 mm)

B8V-09
1-1/4"- 7 UNC
(32 mm)

969 in2
(625 mm2)

122 kips
(543 kN)

102 kips
(454 kN)

3.38 lbs./ft.
(5.03 Kg/M)

1-1/4"
(32 mm)

B8V-10
1-3/8"- 8 UN
(35 mm)

1.233 in2
(795 mm2)

154 kips
(684 kN)

129 kips
(573 kN)

4.19 lbs./ft.
(6.24 Kg/M)

1-3/8"
(35 mm)

B8V-11
1-1/2"- 6 NC
(38 mm)

1.405 in2
(906 mm2)

176 kips
(783 kn)

148 kips
(658 kN)

5.05 lbs./ft.
(7.52 Kg/M)

1-1/2"
(38 mm)

B8V-12
1-3/4"- 5 UNC
(45 mm)

1.90 in2
(1225 mm2)

237 kips
(1054 kN)

199 kips
(885 kN)

6.45 lbs./ft.
(9.60 Kg/M)

1-3/4"
(45 mm)

B8V-14
2"- 6 UN
(51 mm)

2.65 in2
(1709 mm2)

330 kips
(1467 kN)

278 kips
(1236 kN)

9.01 lbs./ft.
(13.4 Kg/M)

2"
(51 mm)

B8V-16
Williams Form Engineering Corp.
Threaded
Bar Types		 Grade B-7
Information		 Grade B-7
Accessories		 Case
Histories		 Corrosion
Protection
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