Grade 100 All-Thread-Rebar

Bar Designation
Nominal Diameter
& Pitch
Minimum
Net Area
Thru Threads
Minimum
Ultimate
Strength
Minimum
Yield
Strength
Nominal
Weight
Approx.
Thread
Major Dia
Part
Number
#9 – 1-1/8” – 3-1/2
(29 mm)
1.0 in2
(645 mm2)
120 kips
(534 kN)
100 kips
(445 kN)
3.4 lbs/ft
(5.1 kg/m)
1-1/4”
(32 mm)
R31-09
#10 – 1-1/4” – 3-1/2
(32 mm)
1.3 in2
(819 mm2)
152 kips
(676 kN)
127 kips
(565 kN)
4.3 lbs/ft
(5.5 kg/m)
1-3/8”
(35 mm)
R31-10
#11 – 1-3/8” – 3-1/2
(36 mm)
1.6 in2
(1006 mm2)
187 kips
(832 kN)
156 kips
(694 kN)
5.3 lbs/ft
(7.9 kg/m)
1-1/2”
(38 mm)
R31-11
#14 – 1-3/4” – 3-1/4
(43 mm)
2.25 in2
(1452 mm2)
270 kips
(1201 kN)
225 kips
(1001 kN)
7.65 lbs/ft
(11.8 kg/m)
1-7/8”
(48 mm)
R31-14
#18 – 2-1/4” – 3-1/4
(57 mm)
4.00 in2
(2581 mm2)
480 kips
(2135 kN)
400 kips
(1779 kN)
13.6 lbs/ft
(19.6 kg/m)
2-3/8”
(60 mm)
R31-18
#20 – 2-1/2” – 3
(64 mm) *
4.91 in2
(3168 mm2)
589 kips
(2620 kN)
491 kips
(2184 kN)
16.7 lbs/ft
(24.8 kg/m)
2-5/8”
(67 mm)
R31-20

Grade 100 All-Thread-Rebar Beveled Washers

Bar
Diameter
Degree
of Bevel
Outside
Diameter
Inside
Diameter
Maximum
Thickness
Minimum
Thickness
Part
Number
#9 – 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
#10 – 1-1/4”
(32 mm)
15° 3-3/8”
(86 mm)
1-9/16”
(40 mm)
1-15/64”
(44 mm)
3/8”
(9.5 mm)
R8M-12S
#11 – 1-3/8”
(36 mm)
15° 3-1/2”
(89 mm)
1-3/4”
(45 mm)
1-1/4”
(32 mm)
3/8”
(9.5 mm)
R8M-13S
#14 – 1-3/4”
(43 mm)
15° 5-1/2”
(140 mm)
2-1/8”
(54 mm)
1-5/8”
(41 mm)
3/8”
(9.5 mm)
R8M-16S
#18 – 2-1/4”
(57 mm)
15° 5”
(127 mm)
3”
(76 mm)
1-5/8”
(41 mm)
19/64”
(7.5 mm)
R8M-18
#20 – 2-1/2”
(64 mm)
10° 5-1/2”
(140 mm)
3”
(76 mm)
1-23/32”
(44 mm)
3/4”
(19 mm)
R8M-20

Grade 100 All-Thread-Rebar Rebar Couplers

Bar Desig. &
Nominal Dia.
Outside
Diameter
Part
Number
#9 – 1-1/8”
(29 mm)
1-7/8”
(48 mm)
R32-09
#10 – 1-1/4”
(32 mm)
2”
(51 mm)
R32-10
#11 – 1-3/8”
(36 mm)
2-1/4”
(57 mm)
R32-11
#14 – 1-3/4”
(43 mm)
2-7/8”
(73 mm)
R32-14
#18 – 2-1/4”
(57 mm)
3-1/2”
(89 mm)
R32-18
#20 – 2-1/2”
(64 mm)
4”
(102 mm)
R32-20

Grade 100 All-Thread-Rebar Rebar Hardened Washers

Bar Desig. &
Nominal Dia.
Outside
Diameter
Inside
Diameter
Thickness Part
Number
#9 – 1-1/8”
(29 mm)
2-1/4”
(57 mm)
1-1/4”
(32 mm)
5/32”
(4 mm)
R9F-09-436
#10 – 1-1/4”
(32 mm)
2-1/2”
(64 mm)
1-3/8”
(35 mm)
5/32”
(4 mm)
R9F-10-436
#11 – 1-3/8”
(36 mm)
3”
(76 mm)
1-5/8”
(41 mm)
5/32”
(4 mm)
R9F-12-436
#14 – 1-3/4”
(43 mm)
3-3/8”
(86 mm)
1-7/8”
(48 mm)
7/32”
(5.6 mm)
R9F-14-436
#18 – 2-1/4”
(57 mm)
4-1/2”
(114 mm)
2-5/8”
(67 mm)
9/32”
(7 mm)
R9F-20-436
#20 – 2-1/2”
(64 mm)
5”
(127 mm)
2-7/8”
(73 mm)
9/32”
(7 mm)
R9F-22-436

Grade 100 All-Thread-Rebar Rebar Hex Nuts

Bar Desig. &
Nominal Dia.
Across
Flats
Across
Corners
Thickness Part
Number
#9 – 1-1/8”
(29 mm)
1-7/8”
(48 mm)
2.16”
(55 mm)
1-1/2”
(38 mm)
R33-09
#10 – 1-1/4”
(32 mm)
2”
(51 mm)
2.31”
(59 mm)
1-7/8”
(48 mm)
R33-10
#11 – 1-3/8”
(36 mm)
2-1/4”
(57 mm)
2.60”
(66 mm)
2-1/8”
(54 mm)
R33-11
#14 – 1-3/4”
(43 mm)
2-3/4”
(70 mm)
3.18”
(81 mm)
2-1/2”
(64 mm)
R33-14
#18 – 2-1/4”
(57 mm)
3-1/2”
(89 mm)
4.04”
(103 mm)
3-1/8”
(79 mm)
R33-18
#20 – 2-1/2”
(64 mm)
4”
(102 mm)
4.62”
(117 mm)
3-1/2”
(89 mm)
R33-20

Grade 100 All-Thread-Rebar Rebar Jam Nuts

Bar Desig. &
Nominal Dia.
Across
Flats
Thickness Part
Number
#9 – 1-1/8”
(29 mm)
1-7/8”
(48 mm)
0.75”
(19 mm)
R33-09JN
#10 – 1-1/4”
(32 mm)
2”
(51 mm)
0.94”
(24 mm)
R33-10JN
#11 – 1-3/8”
(36 mm)
2-1/4”
(57 mm)
1.06”
(27 mm)
R33-11JN
#14 – 1-3/4”
(43 mm)
2-3/4”
(70 mm)
1.25”
(32 mm)
R33-14JN
#18 – 2-1/4”
(57 mm)
3-1/2”
(89 mm)
1.56”
(40 mm)
R33-18JN
#20 – 2-1/2”
(64 mm)
4”
(102 mm)
1.75”
(45 mm)
R33-20JN

Grade 100 All-Thread-Rebar Spherical Washers

Bar Desig. &
Nominal Dia.
Thickness Outside
Dome
Part
Number
#9 – 1-1/8”
(29 mm)
3/4”
(19 mm)
2-3/4”
(70 mm)
R81-0975
#10 – 1-1/4”
(32 mm)
53/64”
(21 mm)
3”
(76 mm)
R81-1075
#11 – 1-3/8”
(36 mm)
29/32”
(23 mm)
3-1/4”
(83 mm)
R81-1175
#14 – 1-3/4”
(43 mm)
1-7/64”
(28 mm)
3-3/4”
(95 mm)
R81-1475
#18 – 2-1/4”
(57 mm)
1-13/32”
(36 mm)
5”
(127 mm)
R81-1875
#20 – 2-1/2”
(64 mm)
1-1/2”
(38 mm)
5-1/4”
(133 mm)
R81-2075
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