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Ground Anchor Systems
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C-1045 Coil Threaded Bar Accessories
Threaded
Bar Types		 C-1045 Coil
Information		 C-1045 Coil
Accessories		 Case
Histories		 Corrosion
Protection

We offer a number of component parts and accessories for our C-1045 Coil Threaded Bars.

Heavy Duty Hex Nuts B-25 Heavy Hex Nuts
Stop-Type Couplings Hardened Washers
Beveled Washers Steel Plates

H1F Heavy Duty Hex Nuts
Heavy Duty Hex Nut
Bar
Diameter
 Across
Flats		 Across
Corners
Thickness
Part
Number
3/8" - 8
(10 mm)		 11/16"
(17.5 mm)		 0.65"
(16.5 mm)		 23/64"
(9.1 mm)		 H1F-03C

1/2" - 6
(13 mm)

 1"
(25 mm)		 1.16"
(29.5 mm)		 31/64"
(12.3 mm)

H1F-04C

5/8" - 4-1/2
(16 mm)

1-1/16"
(27.0 mm)

1.23"
(31.2 mm)

39/64"
(15.5 mm)

H1F-05C

3/4" - 4-1/2
(20 mm)

1-1/4"
(31.8 mm)

1.44"
(36.7 mm)

47/64"
18.7 mm)

H1F-06C

7/8" - 4-1/2
(22 mm)

1-7/16"
(36.6 mm)

1.66"
(42.2 mm)

55/64"
(21.8 mm)

H1F-07C

1" - 3-1/2
(25 mm)

1-5/8"
(41.3 mm)

1.88"
(47.7 mm)

63/64"
(25.0 mm)

H1F-08C

1-1/8" - 3-1/2
(28 mm)

1-13/16"
(46.0 mm)

2.09"
(53.2 mm)

1-7/64"
(28.2 mm)

H1F-09C

1-1/4" - 3-1/2
(32 mm)

2"
(50.8 mm)

2.31"
(58.6 mm)

1-7/32"
(31.0 mm)

H1F-10C

1-1/2" - 3-1/2
(38 mm)

2-3/8"
(60.3 mm)

2.74"
(69.6 mm)

1-15/32"
(37.3 mm)

H1F-12C

B-25 Heavy Hex Nuts
Heavy Duty Hex Nut
Bar
Diameter
 Across
Flats		 Across
Corners
Thickness
Part
Number
3/8" - 8
(10 mm)		 11/16"
(17.5 mm)		 .65"
(16.5 mm)

3/4"
(20 mm)

 B25-03

1/2" - 6
(13 mm)

 7/8"
(22.2 mm)		 1.01"
(25.7 mm)

1"
(25 mm)

 B25-04

5/8" - 4-1/2
(16 mm)

1-1/16"
(27.0 mm)

1.23"
(31.2 mm)

1-1/4"
(32 mm)

 B25-05

3/4" - 4-1/2
(20 mm)

1-1/4"
(31.8 mm)

1.44"
(36.7 mm)

1-1/2"
(38 mm)

 B25-06

7/8" - 4-1/2
(22 mm)

1-7/16"
(36.6 mm)

1.66"
(42.2 mm)

 1-3/4"
(45 mm)		 B25-07

1" - 3-1/2
(25 mm)

1-5/8"
(41.3 mm)

1.88"
(47.7 mm)

 2"
(51 mm)		 B25-08

1-1/8" - 3-1/2
(28 mm)

1-13/16"
(46.0 mm)

2.09"
(53.2 mm)

2-1/4"
(57 mm)

 B25-09

1-1/4" - 3-1/2
(32 mm)

2"
(50.8 mm)

2.31"
(58.6 mm)

2-1/2"
(64 mm)

 B25-10

1-1/2" - 3-1/2
(38 mm)

2-3/8"
(60.3 mm)

2.74"
(69.6 mm)

3"
(76 mm)

 B25-12

C2T Stop-Type Couplings - ASTM A108
Stop Type Coupling
Bar
Diameter
 Outside
Diameter		 Overall
Length
Part
Number
3/8" - 8
(10 mm)		 3/4"
(19 mm)		 1-1/2"
(38 mm)		 C2T-03C

1/2" - 6
(13 mm)

3/4"
(19 mm)

2"
(51 mm)

C2T-04C

5/8" - 4-1/2
(16 mm)

1"
(25 mm)

2-1/2"
(64 mm)

C2T-05C

3/4" - 4-1/2
(20 mm)

1-1/8"
(28 mm)

3"
(76 mm)

C2T-06C

7/8" - 4-1/2
(22 mm)

1-1/4"
(32 mm)

3-1/2"
(89 mm)

C2T-07C

1" - 3-1/2
(25 mm)

1-1/2"
(38 mm)

4"
(102 mm)

C2T-08C

1-1/8" - 3-1/2
(28 mm)

1-5/8"
(41 mm)

4-1/2"
(114 mm)

C2T-09C

1-1/4" - 3-1/2
(32 mm)

1-7/8"
(47 mm)

5"
(127 mm)

C2T-10C

1-1/2" - 3-1/2
(38 mm)

2-1/4"
(57 mm)

6"
(152 mm)

C2T-12C

R9F Hardend Washers - ASTM F436
Hardened Washer
Bar Designation
& Nominal
Diameter		 Outside
Diameter		 Inside
Diamter		 Thickness
Part
Number
3/8" - 8
(10 mm)		 1"
(25 mm)		 7/16"
(11 mm)		 5/64"
(2.0 mm)		 R9F-03-436

1/2" - 6
(13 mm)

 1-3/8"
(35 mm)		 9/16"
(14 mm)		 9/64"
(3.6 mm)		 R9F-04-436

5/8" - 4-1/2
(16 mm)

1-3/4"
(45 mm)

11/16"
(17 mm)

9/64"
(3.6 mm)

R9F-05-436

3/4" - 4-1/2
(20 mm)

1-15/32"
(37 mm)

13/16"
(21 mm)

9/64"
(3.4 mm)

R9F-06-436

7/8" - 4-1/2
(22 mm)

1-3/4"
(45 mm)

15/16"
(24 mm)

5/32"
(3.4 mm)

R9F-07-436

1" - 3-1/2
(25 mm)

2"
(51 mm)

1-1/8"
(28 mm)

5/32"
(4.0 mm)

R9F-08-436

1-1/8" - 3-1/2
(28 mm)

2-1/4"
(57 mm)

1-1/4"
(32 mm)

5/32"
(4.0 mm)

R9F-09-436

1-1/4" - 3-1/2
(32 mm)

2-1/4"
(57 mm)

1-3/8"
(35 mm)

5/32"
(4.0 mm)

R9F-10-436

1-1/2" - 3-1/2
(38 mm)

3"
(76 mm)

1-5/8"
(41 mm)

5/32"
(4.0 mm)

R9F-12-436

R8M Beveled Washers - ASTM A47 or ASTM A536
Beveled Washers
Bar Designation
& Nominal
Diameter		 Degree
of
Bevel		 Outside
Diameter		 Inside
Diamter		 Maximum
Thickness		 Minimum
Thickness
Part
Number
3/8" - 8
(10 mm)		 14° 1-1/4"
(32 mm)		 9/16"
(14 mm)		 7/16"
(11 mm)		 1/8"
(3 mm)		 R8M-04

1/2" - 6
(13 mm)

 14° 1-1/4"
(32 mm)		 9/16"
(14 mm)		 7/16"
(11 mm)		 1/8"
(3 mm)		 R8M-04

5/8" - 4-1/2
(16 mm)

11°

1-9/16"
(39.7 mm)

13/16"
(20.6 mm)

1/2"
(12.7 mm)

3/16"
(4.8 mm)

R8M-06

3/4" - 4-1/2
(20 mm)

11°

1-9/16"
(39.7 mm)

13/16"
(20.6 mm)

1/2"
(12.7 mm)

3/16'
(4.8 mm)

R8M-06

7/8" - 4-1/2
(22 mm)

9°

2"
(50.8 mm)

1-3/16"
(30.2 mm)

9/16"
(14.3 mm)

1/4"
(6.4 mm)

R8M-09

1" - 3-1/2
(25 mm)

9°

 2"
(50.8 mm)

1-3/16"
(30.2 mm)

9/16"
(14.3 mm)

1/4"
(6.4 mm)

R8M-09

1-1/8" - 3-1/2
(28 mm)

15°

2-13/16"
(71.4 mm)

1-5/16"
(33.3 mm)

1"
(25 mm)

5/16"
(7.9 mm)

R8M-09S

1-1/4" - 3-1/2
(32 mm)

15°

3-3/8"
(85.7 mm)

1-9/16"
(39.7 mm)

1-15/64"
(43.9 mm)

3/8"
(9.7 mm)

R8M-12S

1-1/2" - 3-1/2
(38 mm)

5°

3-9/16"
(90.5 mm)

2-1/16"
(52.4 mm)

13/16"
(20.6 mm)

1/2"
(12.7 mm)

R8M-16
Steel Plates
Round Hole Steel Bearing Plate Keyhole Steel Bearing Plate Dished Hole Steel Bearing Plate Studded Steel Bearing Plate Domed Steel Bearing Plate
S1K - Round S1K - Keyhole R80 - Dished S1K - Studded S1K - Domed
Williams steel bearing plates are standard with a round hole for non-grouted anchors. Also available are dished plates for use with spherical hex nuts and keyhole plates which provide free access for grout tube entry. Bearing plates are customized for each application. Plate dimensions should be specified around the parameters of the project. In addition, corrosion protection should be considered along with specifying hole diameter and bar angle. Stainless steel plates available upon request.
Williams Form Engineering Corp.
Threaded
Bar Types		 C-1045 Coil
Information		 C-1045 Coil
Accessories		 Case
Histories		 Corrosion
Protection
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