B8V Grade B7 High Impact Bar

ASTM A193
Williams ground anchors can be specified using our high impact Grade B7 material. This product may be desirable in extremely cold temperatures or where rock fall may impact the anchor head. The following diameters are available

Grade B-7 High Impact Bar

 

Bar
Diameter
& Pitch
Minimum
Net Area
Thru Threads
Minimum
Ultimate
Strength
Minimum
Yield
Strength
Nominal
Weight
Approx.
Thread
Major Dia.
Part
Number
1/4” – 20 UNC
(6.4 mm)
0.03 in2
(20.5 mm2)
3.98 kips
(18 kN)
3.34 kips
(14.9 kN)
0.1 lbs/ft
(0.2 kg/m)
1/4”
(6.3 mm)
B8V-02
3/8” – 16 UNC
(9.5 mm)
0.08 in2
(50.2 mm2)
9.69 kips
(43 kN)
8.14 kips
(36.2 kN)
0.3 lbs/ft
(0.4 kg/m)
3/8”
(9.5 mm)
B8V-03
1/2” – 13 UNC
(12 mm)
0.14 in2
(91.6 mm2)
18 kips
(79 kN)
15 kips
(66 kN)
0.5 lbs/ft
(0.8 kg/m)
1/2”
(13 mm)
B8V-04
5/8” – 11 UNC
(16 mm)
0.23 in2
(146 mm2)
28 kips
(126 kN)
24 kips
(106 kN)
0.8 lbs/ft
(1.3 kg/m)
5/8”
(16 mm)
B8V-05
3/4” – 10 UNC
(20 mm)
0.33 in2
(215 mm2)
42 kips
(186 kN)
35 kips
(156 kN)
1.2 lbs/ft
(1.8 kg/m)
3/4”
(19 mm)
B8V-06
7/8” – 9 UNC
(22 mm)
0.46 in2
(298 mm2)
58 kips
(257 kN)
49 kips
(216 kN)
1.7 lbs/ft
(2.5 kg/m)
7/8”
(22 mm)
B8V-07
1” – 8 UNC
(25 mm)
0.61 in2
(391 mm2)
76 kips
(337 kN)
64 kips
(283 kN)
2.1 lbs/ft
(3.2 kg/m)
1”
(25 mm)
B8V-08
1-1/8” – 7 UNC
(29 mm)
0.76 in2
(492 mm2)
95 kips
(424 kN)
80 kips
(356 kN)
2.7 lbs/ft
(4.0 kg/m)
1-1/8”
(29 mm)
B8V-09
1-1/4” – 7 UNC
(32 mm)
0.97 in2
(625 mm2)
121 kips
(539 kN)
102 kips
(453 kN)
3.4 lbs/ft
(5.0 kg/m)
1-1/4”
(32 mm)
B8V-10
1-3/8” – 8 UN
(35 mm)
1.23 in2
(794 mm2)
154 kips
(684 kN)
129 kips
(575 kN)
4.2 lbs/ft
(6.2 kg/m)
1-3/8”
(35 mm)
B8V-11
1-1/2” – 6 UNC
(38 mm)
1.41 in2
(909 mm2)
176 kips
(784 kN)
148 kips
(658 kN)
5.1 lbs/ft
(7.5 kg/m)
1-1/2”
(38 mm)
B8V-12
1-3/4” – 5 UNC
(45 mm)
1.90 in2
(1226 mm2)
238 kips
(1056 kN)
200 kips
(887 kN)
6.5 lbs/ft
(9.6 kg/m)
1-3/4”
(45 mm)
B8V-14
2” – 6 UN
(51 mm)
2.65 in2
(1710 mm2)
331 kips
(1473 kN)
278 kips
(1237 kN)
9.0 lbs/ft
(13 kg/m)
2”
(51 mm)
B8V-16

Structural Properties

Yield
Stress
Ultimate
Stress
Elongation in
20 bar diameters
Reduction
of Area
Charpy at
-20º F (-29º C)
105 KSI
(723 MPa)
125 KSI
(861 MPa)
16% 50% 20 ft/lbs
(27 Joules)

C2T Stopy-Type & Flange Couplings

Grade B-7 High Impact Bar

Bar
Diameter
Outside
Diameter
Overall
Length
Stop-Type
Part Number
Flange Coupling
Flange Size Part Number
1/4”
(6.4 mm)
1/2”
(13 mm)
7/8”
(22 mm)
C2T-02
3/8”
(9.5 mm)
3/4”
(19 mm)
1-1/2”
(38 mm)
C2T-03 2” x 2”
(51 x 51 mm)
C2D-03
1/2”
(13 mm)
3/4”
(19 mm)
1-1/2”
(38 mm)
C2T-04 2” x 2”
(51 x 51 mm)
C2D-04
5/8”
(16 mm)
1”
(25 mm)
1-3/4”
(45 mm)
C2T-05 2” x 2”
(51 x 51 mm)
C2D-05
3/4”
(19 mm)
1-1/8”
(29 mm)
2”
(51 mm)
C2T-06 2” x 2”
(51 x 51 mm)
C2D-06
7/8”
(22 mm)
1-1/4”
(32 mm)
2-1/4”
(57 mm)
C2T-07 3” x 3”
(76 x 76 mm)
C2D-07
1”
(25 mm)
1-1/2”
(38 mm)
3”
(76 mm)
C2T-08 3” x 3”
(76 x 76 mm)
C2D-08
1-1/8”
(29 mm)
1-5/8”
(41 mm)
3-1/2”
(89 mm)
C2T-09 3” x 3”
(76 x 76 mm)
C2D-09
1-1/4”
(32 mm)
1-7/8”
(48 mm)
3-3/4”
(95 mm)
C2T-10 3” x 3”
(76 x 76 mm)
C2D-10
1-3/8”
(35 mm)
2-1/8”
(54 mm)
4”
(102 mm)
C2T-11 3” x 3”
(76 x 76 mm)
C2D-11
1-1/2”
(38 mm)
2-1/4”
(57 mm)
5”
(127 mm)
C2T-12 3” x 3”
(76 x 76 mm)
C2D-12
1-3/4”
(45 mm)
2-1/2”
(64 mm)
5-1/2”
(140 mm)
C2T-14 4” x 4”
(102 x 102 mm)
C2D-14
1-7/8”
(48 mm)
2-7/8”
(73 mm)
6”
(152 mm)
C2T-15
2”
(51 mm)
3”
(76 mm)
6”
(152 mm)
C2T-16
2-1/4”
(57 mm)
3-1/2”
(89 mm)
8”
(203 mm)
C2T-18

H1F Heavy Duty Hex Nuts

Grade B-7 High Impact Bar

Bar
Diameter
Across
Flats
Across
Corners
Thickness Part
Number
1/4”
(6.4 mm)
1/2”
(13 mm)
0.6”
(15 mm)
15/64”
(6 mm)
H1F-02
3/8”
(9.5 mm)
11/16”
(18 mm)
0.8”
(20 mm)
23/64”
(9 mm)
H1F-03
1/2”
(13 mm)
7/8”
(22 mm)
1.0”
(26 mm)
31/64”
(12 mm)
H1F-04
5/8”
(16 mm)
1-1/16”
(27 mm)
1.2”
(31 mm)
39/64”
(16 mm)
H1F-05
3/4”
(19 mm)
1-1/4”
(32 mm)
1.4”
(37 mm)
47/64”
(19 mm)
H1F-06
7/8”
(22 mm)
1-7/16”
(37 mm)
1.7”
(42 mm)
55/64”
(22 mm)
H1F-07
1”
(25 mm)
1-5/8”
(41 mm)
1.9”
(48 mm)
63/64”
(25 mm)
H1F-08
1-1/8”
(29 mm)
1-13/16”
(46 mm)
2.1”
(53 mm)
1-7/64”
(28 mm)
H1F-09
1-1/4”
(32 mm)
2”
(51 mm)
2.3”
(59 mm)
1-7/32”
(31 mm)
H1F-10
1-3/8”
(36 mm)
2-3/16”
(56 mm)
2.5”
(64 mm)
1-11/32”
(34 mm)
H1F-11
1-1/2”
(38 mm)
2-3/8”
(60 mm)
2.7”
(70 mm)
1-15/32”
(37 mm)
H1F-12
1-3/4”
(43 mm)
2-3/4”
(70 mm)
3.18”
(81 mm)
1-23/32”
(44 mm)
H1F-14
1-7/8”
(48 mm)
2-15/16”
(75 mm)
3.4”
(86 mm)
1-27/32”
(47 mm)
H1F-15
2”
(51 mm)
3-1/8”
(79 mm)
3.6”
(92 mm)
1-31/32”
(50 mm)
H1F-16
2-1/4”
(57 mm)
3-1/2”
(89 mm)
4”
(103 mm)
2-1/4”
(57 mm)
H1F-18

 

R9F Hardened Washers

Grade B-7 High Impact Bar

Bar
Diameter
Outside
Diameter
Inside
Diameter
Thickness Part
Number
1/4”
(6.4 mm)
5/8”
(16 mm)
9/32”
(7 mm)
1/16”
(1.5 mm)
R9F-02-436
3/8”
(9.5 mm)
1”
(25 mm)
7/16”
(11 mm)
5/64”
(2 mm)
R9F-03-436
1/2”
(13 mm)
1-1/16”
(27 mm)
9/16”
(14 mm)
9/64”
(3.56 mm)
R9F-04-436
5/8”
(16 mm)
1-3/4”
(45 mm)
11/16”
(17 mm)
9/64”
(3.6 mm)
R9F-05-436
3/4”
(19 mm)
1-15/32”
(37 mm)
13/16”
(21 mm)
9/64”
(3.6 mm)
R9F-06-436
7/8”
(22 mm)
1-3/4”
(45 mm)
15/16”
(24 mm)
5/32”
(4 mm)
R9F-07-436
1”
(25 mm)
2”
(51 mm)
1-1/8”
(29 mm)
5/32”
(4 mm)
R9F-08-436
1-1/8”
(29 mm)
2-1/4”
(57 mm)
1-1/4”
(32 mm)
5/32”
(4 mm)
R9F-09-436
1-1/4”
(32 mm)
2-1/2”
(64 mm)
1-3/8”
(35 mm)
5/32”
(4 mm)
R9F-10-436
1-3/8”
(36 mm)
2-3/4”
(70 mm)
1-1/2”
(38 mm)
5/32”
(4 mm)
R9F-11-436
1-1/2”
(38 mm)
3”
(76 mm)
1-5/8”
(41 mm)
5/32”
(4 mm)
R9F-12-436
1-3/4”
(43 mm)
3-3/8”
(86 mm)
1-7/8”
(48 mm)
7/32”
(5.6 mm)
R9F-14-436
1-7/8”
(48 mm)
3-3/4”
(95 mm)
2-1/8”
(54 mm)
7/32”
(5.6 mm)
R9F-16-436
2”
(51 mm)
3-3/4”
(95 mm)
2-1/8”
(54 mm)
7/32”
(5.6 mm)
R9F-16-436
2-1/4”
(57 mm)
4”
(102 mm)
2-3/8”
(60 mm)
9/32”
(7 mm)
R9F-18-436

R8M Beveled Washers

Grade B-7 High Impact Bar

Bar
Diameter
Degree
of Bevel
Outside
Diameter
Inside
Diameter
Maximum
Thickness
Minimum
Thickness
Part
Number
3/8”
(9.5 mm)
14° 1-1/4”
(32 mm)
9/16”
(14 mm)
7/16”
(11 mm)
1/8”
(3 mm)
R8M-03
1/2”
(13 mm)
14° 1-1/4”
(32 mm)
9/16”
(14 mm)
7/16”
(11 mm)
1/8”
(3 mm)
R8M-04
5/8”
(16 mm)
11° 1-9/16”
(40 mm)
13/16”
(21 mm)
1/2”
(13 mm)
3/16”
(5 mm)
R8M-06
3/4”
(19 mm)
11° 1-9/16”
(40 mm)
13/16”
(21 mm)
1/2”
(13 mm)
3/16”
(5 mm)
R8M-06
7/8”
(22 mm)
15° 2-1/16”
(52 mm)
1”
(25 mm)
3/4”
(19 mm)
1/4”
(6 mm)
R8M-08S
1”
(25 mm)
15° 2-1/16”
(52 mm)
1”
(25 mm)
3/4”
(19 mm)
1/4”
(6 mm)
R8M-08S
1-1/8”
(29 mm)
15° 2-13/16”
(71 mm)
1-5/16”
(33 mm)
1”
(25 mm)
5/16”
(8 mm)
R8M-09S
1-1/4”
(32 mm)
15° 3-3/8”
(86 mm)
1-9/16”
(40mm)
1-15/64”
(31 mm)
3/8”
(9.5 mm)
R8M-12S
1-3/8”
(36 mm)
15° 3-3/8”
(86 mm)
1-9/16”
(40 mm)
1-15/64”
(31 mm)
3/8”
(9.5 mm)
R8M-12S
1-1/2”
(38 mm)
15° 3-1/2”
(89 mm)
1-3/4”
(45 mm)
1-1/4”
(32mm)
3/8”
(9.5 mm)
R8M-13S
1-3/4”
(43 mm)
3-9/16”
(91 mm)
2-1/16”
(52 mm)
13/16”
(21 mm)
1/2”
(13 mm)
R8M-16
1-7/8”
(48 mm)
3-9/16”
(91 mm)
2-1/16”
(52 mm)
13/16”
(21 mm)
1/2”
(13 mm)
R8M-16
2”
(51 mm)
3-9/16”
(91 mm)
2-1/16”
(52 mm)
13/16”
(21 mm)
1/2”
(13 mm)
R8M-16

To achieve full strength of the system, beveled washers must be used in conjunction with a hardened washer.

globe
Want to talk? Find your Williams Form Engineering Representative.
globe