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Hollow-Core Threaded Bars
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| Our R1H Hollow-Core Threaded Rods come in lengths up to 32' and strengths up to 300 Kips. It is used in operations such as grouted earth anchors. Bars come standard with N.C. thread forms. |
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Structural Properties
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Yield Stress
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Ultimate Stress
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91 KSI
(91 MPa)
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124 KSI
(854 MPa)
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Elongation in 2"
(51 mm) bar diameter
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Reduction
of Area
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| 14% |
40% |
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Standard NC Thread Form
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R1H Hollow Core Threaded Bar - ASTM A615 Deformation Pattern
Bar
Diameter
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Minimum
Net Area
Thru Threads
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Minimum
Ultimate
Strength |
Minimum
Yield
Strength
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Approx.
Thread
Major Dia. |
Part
Number
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1"- 8 UNC
(25 mm)
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0.535 in2
(345 mm2)
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66 kips
(294 kN) |
47 kips
(209 kN)
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1"
(25 mm)
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R1H-08
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1-3/8" - 8 UN
(35 mm)
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1.12 in2
(720 mm2)
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138 kips
(614 kN) |
100 kips
(445 kN)
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1-3/8"
(35 mm)
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R1H-11
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2" - 6 UN
(51 mm)
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2.43 in2
(1566 mm2)
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300 kips
(1334 kN) |
219 kips
(974 kN)
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2"
(51 mm)
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R1H-16
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