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Grout Bonded (Multiple Corrosion Protection)
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MCP
Information		 Parts &
Accessories		 Installation Equipment Case
Histories		 Corrosion
Protection
150 KSI All-Thread-Bar Grade 75 All-Thread Rebar
Stop-Type Couplings Hex Nuts
Hardened Washers Spherical Hex Nuts & Washers
Beveled Washers Jam Nuts
Steel Bearing Plates End Caps
PVC Centralizer Eye Nuts
Wil-X Cement Grout Heavy Duty Plastic Grout Tube
Post Grout Tube Super Plasticizer
Grout Sock
150 KSI All-Thread-Bar - ASTM A722
150 KSI All-Thread-Bar
R71 150 KSI All-Thread-Bar - ASTM A722
Nominal
Bar
Diameter
Minimum
Net Area
Thru Threads
Minimum
Ultimate
Strength
Minimum
Yield
Strength
Nominal
Weight
 Approx.
Thread
Major Dia.
Part
Number
1"
(25 mm)
0.85 in2
(549 mm2)
 128 kips
(567 kN)		 102 kips
(454 kN)
3.09 lbs./ft.
(4.6 Kg/M)
 1-1/8"
(28.6 mm)
R71-08
1-1/4"
(32 mm)
1.25 in2
(807 mm2)

188 kips
(834 kN)

150 kips
(667 kN)

4.51 lbs./ft.
(6.71 Kg/M)

 1-7/16"
(36.5 mm)
R71-10
1-3/8"
(36 mm)
1.58 in2
(1019 mm2)

237 kips
(1054 kN)

190 kips
(843 kN)

5.71 lbs./ft.
(8.50 Kg/M)

 1-9/16"
(39.7 mm)
R71-11
1-3/4"
(45 mm)
2.60 in2
(1664 mm2)

400 kips
(1779 kN)

320 kips
(1423 kN)

 9.06 lbs./ft.
(13.5 Kg/M)		 2"
(50.8 mm)
R71-14
2-1/2"
(65 mm)		 5.19 in2
(3350 mm2)

778 kips
(3457 kN)

622 kips
(2766 kN)

18.20 lbs./ft.
(27.1 Kg/M)

 2-3/4"
(69.9 mm)		 R71-20
** 3"
(75 mm)		 6.46 in2
(4169 mm2)

969 kips
(4311 kN)

775 kips
(3448 kN)

22.3 lbs./ft.
(32.7 Kg/M)

 3-3/64"
(78.2 mm)		 R71-24
** The 3" diameter bar is not covered under ASTM A722.
Grade 75 All-Thead Rebar - ASTM A615
Grade 75 KSI All-Thread Rebar
R61 Grade 75 All-Thead Rebar - ASTM A615
Bar Desig. &
Nominal Dia.		 Minimum
Net Area
Thru Threads		 Minimum
Ultimate
Strength		 Minimum
Yield
Strength		 Nominal
Weight		 Approx.
Thread
Major Dia.		 Part Number
#6 - 3/4"
(20 mm)		 0.44 in2
(284 mm2)		 44 kips
(196 kN)		 33 kips
(147 kN)		 1.5 lbs./ft.
(2.36 Kg/M)		 7/8"
(22.2 mm)		 R61-06
#7 - 7/8"
(22 mm)		 0.60 in2
(387 mm2)		 60 kips
(267 kN)

45 kips
(200 kN)

 2.0 lbs./ft.
(3.04 Kg/M)		 1"
(25.4 mm)		 R61-07
#8 - 1"
(25 mm)		 0.79 in2
(510 mm2)		 79 kips
(351 kN)		 59.3 kips
(264 kN)		 2.7 lbs./ft.
(3.94 Kg/M)		 1-1/8"
(28.6 mm)		 R61-08
#9 - 1-1/8"
(28 mm)		 1.00 in2
(645 mm2)		 100 kips
(445 kN)		 75 kips
(334 kN)		 3.4 lbs./ft.
(5.06 Kg/M)		 1-1/4"
(31.8 mm)		 R61-09
#10 - 1-1/4"
(32 mm)		 1.27 in2
(819 mm2)		 127 kips
(565 kN)		 95.3 kips
(424 kN)		 4.3 lbs./ft.
(5.50 Kg/M)		 1-3/8"
(34.9 mm)		 R61-10
#11 - 1-3/8"
(35 mm)		 1.56 in2
(1006 mm2)		 156 kips
(694 kN)		 117 kips
(521 kN)		 5.3 lbs./ft.
(7.85 Kg/M)		 1-1/2"
(38.1 mm)		 R61-11
#14 - 1-3/4"
(45 mm)		 2.25 in2
(1452 mm2)		 225 kips
(1001 kN)		 168.7 kips
(750 kN)		 7.65 lbs./ft.
(11.8 Kg/M)		 1-7/8"
(47.6 mm)		 R61-14
#18 - 2-1/4"
(55 mm)		 4.00 in2
(2581 mm2)		 400 kips
(1779 kN)		 300 kips
(1335 kN)

13.6 lbs./ft.
(19.6 Kg/M)

 2-7/16"
(61.9 mm)		 R61-18
#20 - 2-1/2"
(64 mm)		 4.91 in2
(3168 mm2)		 491 kips
(2184 kN)		 368 kips
(1637 kN)		 16.7 lbs./ft.
(24.8 Kg/M)		 2-3/4"
(69.9 mm)		 R61-20
#28 - 3-1/2"
(89 mm)

9.61 in2
(6200 mm2)

960 kips
(4274 kN)

 720 kips
(3206 kN)

32.7 lbs./ft.
(48.6 Kg/M)

3-3/4"
(95.0 mm)

R61-28
More detailed information on Williams Grade 75 All-Thead Rebar
Stop-Type Couplings
Stop-Type Coupling R62 Stop-Type Coupling
for Grade 75 All-Thread Rebar
ASTM A108
Nominal
Bar
Diameter		 Outside
Diameter		 Overall
Length
Part
Number
#6 - 3/4"
(20 mm)		 1-1/4"
(31.8 mm)		 3-1/2"
(88.9 mm)		 R62-06
#7 - 7/8"
(22 mm)

1-3/8"
(35.1 mm)

4"
(102 mm)

R62-07
#8 - 1"
(25 mm)

1-5/8"
(41.4 mm)

4-1/2"
(114 mm)

R62-08
#9 - 1-1/8"
(28 mm)

1-7/8"
(47.7 mm)

5"
(127 mm)

R62-09
#10 - 1-1/4"
(32 mm)

2"
(50.8 mm)

5-1/2"
(140 mm)

R62-10
#11 - 1-3/8"
(35 mm)

2-1/4"
(57.2 mm)

6"
(152 mm)

R62-11
#14 - 1-3/4"
(45 mm)

2-7/8"
(73.0 mm)

7-7/8"
(200 mm)

R62-14
#18 - 2-1/4"
(55 mm)

3-1/2"
(88.9 mm)

9-1/8"
(233 mm)

R62-18
#20 - 2-1/2"
(64 mm)

4"
(102 mm)

9-1/2"
(241 mm)

R62-20
#28 - 3-1/2"
(89 mm)

5-1/2"
(140 mm)

12"
(305 mm)

R62-28
R72 Stop-Type Coupling
for 150 KSI All-Thread-Bar
ASTM A29, Grade C1045
Nominal
Bar
Diameter		 Outside
Diameter		 Overall
Length
Part
Number
1"
(25 mm)		 1-3/4"
(45 mm)		 4-1/4"
(108 mm)
R72-08
1-1/4"
(32 mm)		 2-1/8"
(54 mm)		 5-1/4"
(133 mm)
R72-10
1-3/8"
(36 mm)		 2-3/8"
(60 mm)		 5-3/4"
(146 mm)
R72-11
1-3/4"
(46 mm)		 3"
(76 mm)		 8-1/2"
(216 mm)
R72-14
2-1/2"
(65 mm)		 4-1/4"
(108 mm)		 9-3/8"
(238 mm)
R72-20
3"
(75 mm)		 5"
(127 mm)		 11-7/8"
(302 mm)
R72-24
Hex Nuts
Hex Nut R63 Hex Nut
for Grade 75 All-Thread Rebar
ASTM A108
Nominal
Bar
Diameter
 Across
Flats
Thickness
Part
Number
#6 - 3/4"
(20 mm)		 1-1/4"
(31.8 mm)		 1-5/8"
(41.4 mm)		 R63-06
#7 - 7/8"
(22 mm)

1-7/16"
(36.5 mm)

1-3/4"
(44.5 mm)

R63-07
#8 - 1"
(25 mm)

1-5/8"
(41.3 mm)

2"
(50.8 mm)

R63-08
#9 - 1-1/8"
(28 mm)

1-7/8"
(47.8 mm)

2"
(55.5 mm)

R63-09
#10 - 1-1/4"
(32 mm)

2"
(50.8 mm)

2-3/16"
(55.6 mm)

R63-10
#11 - 1-3/8"
(35 mm)

2-1/4"
(57.2 mm)

2-13/32"
(61.1 mm)

R63-11
#14 - 1-3/4"
(45 mm)

2-3/4"
(73.0 mm)

3-1/4"
(82.6 mm)

R63-14
#18 - 2-1/4"
(55 mm)

3-1/2"
(88.9 mm)

3-1/2"
(88.9 mm)

R63-18
#20 - 2-1/2"
(64 mm)

4"
(102 mm)

4"
(102 mm)

R63-20
* #28 - 3-1/2"
(89 mm)

5-1/2"
(140 mm)

6"
(142 mm)

R64-28
** Round nut with outside diameter of 6" (152 mm)
R73 Hex Nut
for 150 KSI All-Thread-Bar
ASTM A29
Nominal
Bar
Diameter
 Across
Flats
Thickness
Part
Number
1"
(25 mm)
 1-3/4"
(45 mm)
2"
(51 mm)
R73-08
1-1/4"
(32 mm)
 2-1/4"
(57 mm)
2-1/2"
(64 mm)
R73-10
1-3/8"
(36 mm)
 2-1/2"
(64 mm)
2-3/4"
(70 mm)
R73-11
1-3/4"
(45 mm)
 3"
(76 mm)
3-1/2"
(89 mm)
R73-14
2-1/2"
(65 mm)		 4-1/4"
(108 mm)
4-3/4"
(120 mm)
R73-20
** 3"
(75 mm)		 4-1/4"
(108 mm)
6-1/8"
(156 mm)
R74-24
** Round nut with outside diameter of 5" (127 mm)
Spherical Hex Nuts & Washers
Provides up to 5° angle when used with a dished plate.
Spherical Hex Nuts Spherical Hex Nuts
R81 Spherical Washer
for Grade 75 All-Thread Rebar
ASTM A536
Nominal
Bar
Diameter
 Thickness Outside
Dome		 Part
Number
#6 - 3/4"
(20 mm)		 35/64”
(13.9 mm)		 2"
(51 mm)		 R81-0675
#7 - 7/8"
(22 mm)

39/64”
(15.5 mm)

2-1/4"
(57 mm)

 R81-0775
#8 - 1"
(25 mm)

5/8”
(15.9 mm)

2-1/2"
(64 mm)

 R81-0875
#9 - 1-1/8"
(28 mm)

3/4”
(19.1 mm)

2-3/4"
(70 mm)

 R81-0975
#10 - 1-1/4"
(32 mm)

53/64”
(21.0 mm)

3-1/8"
(79.4 mm)

 R81-1075
#11 - 1-3/8"
(35 mm)

29/32”
(23.0 mm)

3-1/8"
(79.4 mm)

 R81-1175
#14 - 1-3/4"
(45 mm)

1-7/64”
(28.2 mm)

4"
(102 mm)

 R81-1475
#18 - 2-1/4"
(55 mm)

1-13/32”
(35.7 mm)

5"
(127 mm)

 R81-1875
#20 - 2-1/2"
(64 mm)

1-1/2”
(38.1 mm)

5-1/4"
(133 mm)

 R81-2075
#28 - 3-1/2"
(89 mm)

1-1/2”
(38.1 mm)

7"
(178 mm)

 R81-2875
R88 Spherical Hex Nut
for 150 KSI All-Thread-Bar
ASTM A536
Nominal
Bar
Diameter
 Across
Flats		 Thickness Outside
Dome		 Part
Number
1"
(25 mm)
 1-3/4"
(45 mm)		 2-1/4"
(57 mm)		 2-1/2"
(64 mm)		 R88-08
1-1/4"
(32 mm)
 2-1/4"
(57 mm)		 2-3/4"
(70 mm)		 3-1/8"
(81 mm)		 R88-10
1-3/8"
(36 mm)
 2-1/2"
(64 mm)		 3-1/4"
(83 mm)		 3-5/8"
(92 mm)		 R88-11
1-3/4"
(46 mm)
 3"
(76 mm)		 3-1/2"
(89 mm)		 4"
(101 mm)		 R88-14
* 2-1/2"
(65 mm)
 4-1/4"
(108 mm)		 4-3/4"
(120 mm)		 6"
(152 mm)		 R73-20
R81-20
** 3"
(75 mm)		 4-1/4"
(108 mm)		 8-1/8"
(206 mm)		 7"
(178 mm)		 R74-24
R81-24
*Requires a standard nut with spherical washer.
**Requires a standard nut with spherical washer. Round nut with outside diameter of 5" (127 mm)
Jam Nuts
These Jam Nuts can't be substituted for full strength nuts and can only be used on their respective bars for the exact diameter listed.
Jam Nuts R73-JN Jam Nuts
for Grade 75 All-Thread Rebar
ASTM A108
Nominal
Bar
Diameter
 Across
Flats		 Overall
Length		 Part
Number
#6 - 3/4"
(20 mm)		 1-1/4"
(32 mm)		 13/16"
(20.6 mm)		 R63-06JN
#7 - 7/8"
(22 mm)

1-7/16"
(36.5 mm)

7/8"
(22.2 mm)

R63-07JN
#8 - 1"
(25 mm)

1-5/8"
(41 mm)

1"
(25 mm)

R63-08JN
#9 - 1-1/8"
(28 mm)

1-7/8"
(47.6 mm)

1"
(25 mm)

R63-09JN
#10 - 1-1/4"
(32 mm)

2"
(51 mm)

1-3/16"
(27.7 mm)

R63-10JN
#11 - 1-3/8"
(35 mm)

2-1/4"
(57 mm)

1-1/4"
(31.8 mm)

R63-11JN
#14 - 1-3/4"
(45 mm)

2-3/4"
(70 mm)

1-5/8"
(41.3 mm)

R63-14JN
#18 - 2-1/4"
(55 mm)

3-1/2"
(89 mm)

1-3/4"
(44.5 mm)

R63-18JN
#20 - 2-1/2"
(64 mm)

4"
(102 mm)

2"
(50.8 mm)

R63-20JN
#28 - 3-1/2" *
(89 mm)

5-1/2"
(140 mm)

2-1/2"
(63.5 mm)

R64-28JN
R73-JN Jam Nuts
for 150 KSI All-Thread-Bar
ASTM A29
Nominal
Bar
Diameter
 Across
Flats		 Overall
Length		 Part
Number
1"
(26 mm)
 1-3/4"
(45 mm)		 1/2"
(12.7 mm)		 R73-08JN
1-1/4"
(32 mm)
 2-1/4"
(57 mm)		 5/8"
(15.9 mm)		 R73-10JN
1-3/8"
(36 mm)
 2-1/2"
(64 mm)		 11/16"
(17.5 mm)		 R73-11JN
1-3/4"
(46 mm)
 3"
(76 mm)		 7/8"
(22.2 mm)		 R73-14JN
2-1/2"
(65 mm)
 4"
(108 mm)		 1-3/16"
(30.2 mm)		 R74-20JN
* Rounded Collar Nut
Hardened Washers
Washers R9F Hardened Washers
for Grade 75 All-Thread Rebar
ASTM F436
Nominal
Bar
Diameter		 Outside
Diameter		 Inside
Diamter
Part
Number
#6 - 3/4"
(20 mm)		 1-3/4"
(45 mm)		 15/16"
(24 mm)		 R9F-07-436
#7 - 7/8"
(22 mm)

2"
(51 mm)

1-1/8"
(28 mm)

R9F-08-436
#8 - 1"
(25 mm)

2-1/4"
(57 mm)

1-1/4"
(32 mm)

R9F-09-436
#9 - 1-1/8"
(28 mm)

2-1/4"
(57 mm)

1-1/4"
(32 mm)

R9F-09-436
#10 - 1-1/4"
(32 mm)

2-1/4"
(57 mm)

1-3/8"
(35 mm)

R9F-10-436
#11 - 1-3/8"
(35 mm)

3"
(76 mm)

1-5/8"
(41 mm)

R9F-12-436
#14 - 1-3/4"
(45 mm)

3-3/8"
(86 mm)

1-7/8"
(48 mm)

R9F-14-436
#18 - 2-1/4"
(55 mm)

4-1/2"
(114 mm)

2-5/8"
(67 mm)

R9F-20-436
#20 - 2-1/2"
(64 mm)

5"
(127 mm)

2-7/8"
(73 mm)

R9F-22-436
#28 - 3-1/2"
(89 mm)</