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R1S/B7S High Tensile Spin-Lock Anchor
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 R1S U.N. Thread Form Bar B7S All-Thread Coil Bar
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Williams R1S / B7S Spin-Lock Mechanical Concrete Anchor utilizes a C-1045 steel which provides high strength capacity and has the advantage of utilizing a more common steel for greater availability.
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R1S / B7S Structural Properties
| Yield Stress |
Ultimate Stress |
Elongation in
2" (51 mm) |
Reduction
of Area |
90 / 81 KSI
(621/558 Mpa) |
120 / 105 KSI
(827/723 Mpa) |
11% |
20% |
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R1S / B7S High Tensile Spin-Lock Concrete Anchor - ASTM A-108 / C1045
Dia. &
Threads
Per in.
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Recomm.
Design Load
at 2:1 Safety
Factor
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Maximum
Working
Load
to Yield
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Average
Ultimate
Strength
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Ultimate
Shear
Strength |
Drill
Hole
Dia.
(1) |
Type
Head
Ass'y |
Torque ft.-lbs. |
Min. Embed.
Depth in
3000 PSI
Concrete |
Part
Number
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To Expand
Shell
(2) |
On Nut
for
Tension |
1/2 - 13
(12 mm) |
8.53 kips
(37.9 kN) |
13.1 kips
(58.1 kN) |
17.1 kips
(75.8 kN) |
10.2 kips
(45.5 kN) |
1-1/4"
(32 mm) |
A 10 |
50 ft.-lbs.
(70*) |
85 |
7"
(178 mm) |
R1S04A10 |
5/8" - 11
(16 mm) |
13.6 kips
(60.3 kN)
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20.8 kips
(92.5 kN)
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27.1 kips
(121 kN)
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16.3 kips
(72.4 kN)
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1-1/4"
(32 mm) |
A 10
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125 ft.-lbs.
(250*)
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125
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8"
(203 mm) |
R1S05A10
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3/4" - 10
(20 mm) |
20.1 kips
(89.2 kN)
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30.7 kips
(137 kN)
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40.1 kips
(178 kN)
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24.1 kips
(107 kN)
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1-3/4"
(44 mm)
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C 14
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210 ft.-lbs.
(250*)
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210
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11"
(279 mm) |
R1S06C14
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7/8" - 9
(22 mm) |
27.7 kips
(123 kN)
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42.5 kips
(189 kN)
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55.4 kips
(246 kN)
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33.2 kips
(148 kN)
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1-3/4"
(44 mm)
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C 14
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390 ft.-lbs.
(410*)
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390
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14"
(356 mm) |
R1S07C14
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1" - 8
(25 mm) |
36.4 kips
(162 kN)
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55.8 kips
(248 kN)
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72.7 kips
(323 kN)
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43.6 kips
(194 kN)
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1-3/4"
(44 mm)
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C 14
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500 ft.-lbs.
(600*)
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550
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16"
(406 mm) |
R1S08C14
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1-1/8" - 7
(30mm) |
40.5 kips
(180 kN)
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62 kips
(284 kN)
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81 kips
(360 kN)
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48.6 kips
(216 kN)
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2-1/4"
(57 mm)
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C 18
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550 ft.-lbs.
(600*)
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770
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17"
(432 mm) |
R1S09C18
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1-1/4" - 7
(32 mm) |
51 kips
(254 kN)
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79 kips
(381 kN)
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102 kips
(508 kN)
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61.2 kips
(305 kN)
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2-1/4"
(57 mm)
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C 18
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750 ft.-lbs.
(1200*)
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1000
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20"
(508 mm) |
R1S10C18
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1-3/8" - 8
(35 mm) |
65 kips
(289 kN)
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100 kips
(445 kN)
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130 kips
(578 kN)
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78 kips
(347 kN)
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2-1/2"
(65 mm)
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B 20
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750 ft.-lbs.
(1600*)
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1525
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22"
(559 mm) |
R1S11B20
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1-1/2" - 6
(38 mm) |
73.5 kips
(327 kN)
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113 kips
(503 kN)
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147 kips
(654 kN)
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88.2 kips
(392 kN)
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3"
(76 mm)
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B 24
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1000 ft.-lbs.
(1700*)
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Note (3)
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23"
(584 mm) |
R1S12B24
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2"-6
(51 mm) |
139 kips
(657 kN)
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215 kips
(1080 kN)
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279 kips
(1313 kN)
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167 kips
(788 kN)
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3-1/2"
(89 mm)
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C 28
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1000 ft.-lbs.
(2000*)
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Note (3)
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34"
(864 mm) |
R1S16C28
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NOTES:
(*) Do not exceed these numbers
(1) Care should be taken to drill a straight and properly sized hole.
(2) More torque may be required on long anchors or if the head assembly is next to rebar. Consult your Williams Representative for more specific details.
(3) Stress to desired tensile load using a hollow ram hydraulic jack. Consult your Williams Representative.
(4) Full ultimate strength of anchor can be achieved at listed embedment depth, provided there are no edge or spacing effects on the anchor.
WILLIAMS reserves the right to ship full length or coupled units as necessary.
All above torque values are used for clean, dry (un-greased) threads. For greased thread torque values, contact your local Williams representative.
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 Williams Form Engineering Corp. All rights reserved. |
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