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Bail Anchor Systems
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Bail Anchors are fast setting mechanical anchors that are simple to use for light to moderate loads in temporary or permanent applications. They set in a one step torque tension operation and work well with Williams Grade 75 All-Thread Rebar, constant torque nuts and domed plates/spherical washer assemblies. They are well suited for use in single or twin grout tube installations due to the minimal rotation the bar undergoes during the setting process. |
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Blank
Part
Number |
Range of Bar Diameter |
Hole
Diameter |
Ultimate
Capacity |
Shell
Length |
Wedge
Length |
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UNC / Coil
|
Grade 75
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| R5M-F3F |
1/2" - 5/8"
(13-16 mm) |
N.A. |
1-1/4"
(32 mm) |
15-22.5 kips
(67-100 kN) |
2-1/8"
(54 mm) |
1-3/4"
(44 mm) |
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R5M-F2B
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1/2" - 3/4"
(13-20 mm)
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N.A.
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1-3/8"
(35 mm)
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15-38 kips
(67-169 kN)
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2-7/8"
(73 mm)
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1-3/8"
(35 mm)
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R5M-F9F
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3/4" - 1"
(20-25 mm)
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#6, #7
(20-22 mm)
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1-3/4"
(45 mm)
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33-60 kips
(147-267 kN)
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3-1/4"
(83 mm)
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2-1/4"
(57 mm)
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R5M-D20
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5/8" - 1-1/8"
(16-28 mm)
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#6, #7, #8
(20-25 mm)
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2"
(51 mm)
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15-79 kips
(67-351 kN)
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4"
(102 mm)
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3-7/8"
(98 mm)
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HC-16
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3/4" - 1"
(20-25 mm)
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#6, #7, #8
(20-25 mm)
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2"
(51 mm)
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33-79 kips
(147-351 kN)
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4"
(102 mm)
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2-1/4"
(57 mm)
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Bail Anchor Installation |
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Bail anchors are initially set in the hole using relatively low torques that should not exceed 30 to 50 ft/lbs. Higher setting torques applied to the bail anchor alone will not help in the setting process. Final set of the Bail Anchor is accomplished through direct tension with a hydraulic jack or preferably by torquing the nut against the plate. This action pulls the cone further into the shell locking it into place. The outward migration of the bar is usually no more than 1" to 2" maximum. This movement must be anticipated and allowed for in the design and application of this anchor type in ungrouted conditions. Bail anchor installations are tested and grouted by normal methods. Torque Tensioning charts Williams products can be found here. |
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Bars Associated with Sledge Drive Anchors |
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For bar selection, Williams offers continuously threaded or smooth with threaded ends C-1045 bars. Both coil and NC threads are available. Williams also offers R61 All-Thread Rebar for its bail anchors.
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 Williams Form Engineering Corp. All rights reserved. |
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