Threaded rod, also known as a threaded bar, stud or all thread, is a long rod that is typically made from steel or stainless steel and is threaded along its entire length. This versatile and durable product has a wide range of uses in construction, manufacturing, and other industries.

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One of the most common uses for threaded rod is as a structural support in construction. The rod can be used to create strong connections between building materials such as wood, metal, and concrete. It can also be used to create a secure foundation for heavy machinery or equipment. Additionally, it is widely used as a type of fastener, joining 2 parts together with a nut, or in T-slot framing applications.

Threaded rod is also used extensively in the manufacturing industry. It is a popular choice for use in jigs, fixtures, and other types of manufacturing equipment. This is because it is strong and can be easily adjusted to fit the specific needs of the equipment. It also can be found as a component in CNC machines and other automated equipment because of its ability to hold and position components with precision.

Another common use for threaded rod is in the installation of HVAC systems. The rod can be used to support ductwork and other HVAC components, and it is also often used as a support for hanging systems.

Threaded rod is also widely used in electrical applications. Electricians often use it to support conduit, wiring, and other electrical components. It can also be used as a grounding rod, providing a secure connection to the earth.

Finally, threaded rod is widely used in the automotive industry as a component in engine and transmission mounts, suspension components, and drivetrain components. It is also used as a component in some DIY projects as well.

In conclusion, threaded rod is a versatile and durable product that has a wide range of uses in construction, manufacturing, and other industries. Its strength and adjustability make it an ideal choice for a variety of applications and it is a product that should be considered for a variety of projects. With companies like Fabory UK , you can easily find the right size and material for your needs.

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150 KSI-All-Thread Bar

Nominal Bar
Diameter
& Pitch Minimum
Net Area
Thru Threads Minimum
Ultimate
Strength Prestressing Force Nominal
Weight Approx.
Thread
Major Dia. Part
Number 0.80f pu A 0.70f pu A 0.60f pu A 1” – 4
(26 mm) 0.85 in2
(549 mm2) 128 kips
(567 kN) 102 kips
(454 kN) 89.3 kips
(397 kN) 76.5 kips
(340 kN) 3.09 lbs/ft
(4.6 kg/m) 1-1/8”
(29 mm) R71-08 1-1/4” – 4
(32 mm) 1.25 in2
(807 mm2) 188 kips
(834 kN) 150 kips
(667 kN) 131 kips
(584 kN) 113 kips
(500 kN) 4.51 lbs/ft
(6.7 kg/m) 1-7/16”
(37 mm) R71-10 1-3/8” – 4
(36 mm) 1.58 in2
(1019 mm2) 237 kips
(1054 kN) 190 kips
(843 kN) 166 kips
(738 kN) 142 kips
(633 kN) 5.71 lbs/ft
(8.5 kg/m) 1-9/16”
(40 mm) R71-11 1-3/4” – 3-1/2
(46 mm) 2.60 in2
(1664 mm2) 390 kips
(1734 kN) 312 kips
(1388 kN) 273 kips
(1214 kN) 234 kips
(1041 kN) 9.06 lbs/ft
(13.5 kg/m) 2”
(51 mm) R71-14 2-1/4” – 3-1/2
(57 mm) * 4.08 in2
(2632 mm2) 613 kips
(2727 kN) 490 kips
(2181 kN) 429 kips
(1909 kN) 368 kips
(1636 kN) 14.1 lbs/ft
(20.8 kg/m) 2-1/2”
(64 mm) R71-18 2-1/2” – 3
(65 mm) 5.19 in2
(3350 mm2) 778 kips
(3457 kN) 622 kips
(2766 kN) 545 kips
(2422 kN) 467 kips
(2074 kN) 18.2 lbs/ft
(27.1 kg/m) 2-3/4”
(70 mm) R71-20 3” – 3
(75 mm) 6.85 in2
(4419 mm2) 1027 kips
(4568 kN) 822 kips
(3656 kN) 719 kips
(3198 kN) 616 kips
(2740 kN) 24.1 lbs/ft
(35.8 kg/m) 3-1/8”
(80 mm) R71-24

• The 2-1/4” diameter bar is not covered under ASTM A722.

• ACI 318-14, Section 17.5.1.2 indicates that the nominal shear strength of an anchor not exceed 0.60 x area of steel x the ultimate stress of the steel.

   

  Designers should utilize appropriate resistance factors for shear based on the condition of use.
• Per PTI recommendations for anchoring, anchors should be designed so that:
  • The design load is not more than 60% of the specified minimum tensile strength of the prestressing steel.
  • The lock-off load should not exceed 70%of the specified minimum tensile strength of the prestressing steel.
  • The maximum test load should not exceed 80% of the specified minimum tensile strength of the prestressing steel.
  • Maximum test load and maximum factored design load must not exceed the yield strength of ANY steel element.

Structural Properties

Yield
Stress Ultimate
Stress Elongation in
20 bar diameters Reduction
of Area 120 KSI
(827 MPa) 150 KSI
(1034 MPa) 4% 20% min.

Sizes

Williams 150 KSI bars are manufactured in 7 diameters from 1” (26 mm) through 3” (75 mm). All diameters are available in continuous lengths up to 50’ (15.2 m)

Steel Quality

Williams 1” through 1-3/8” 150 KSI bars are smooth, hot rolled, high strength prestressing steel.  The bars are cold-stressed and stress relieved in strict compliance with ASTM A722 and AASHTO M275 Highway Specifications.  The 1-3/4” through 3” 150 KSI bars are made from alloy steel that is hot rolled, quenched and tempered to meet to the prescribed mechanical properties of ASTM A722.  Thorough inspection and traceability are carried out during all phases of manufacturing to assure the highest standards of quality.

Properties

Williams 150 KSI bars are high in strength yet ductile enough to exceed the specified elongation and reduction of area requirements.  Selected heats can also pass the 135° supplemental bend test when required.  Testing has shown Williams 150 KSI All-Thread-Bars to meet or exceed post tensioning bar and rock anchoring criteria as set by the Post Tensioning Institute including dynamic test requirements beyond 500,000 cycles of loading. Williams 360° continuous thread deformation pattern has the ideal relative rib area configuration to provide excellent bond strength capability to grout or concrete, far better than traditional reinforcing deformation patterns.

Threads

All-Thread-Bars are cold rolled threaded to close tolerances under continuous monitoring procedures for quality control. Threads for Williams 150 KSI bar are specially designed with a rugged thread pitch wide enough to be fast under job site conditions and easy to assemble. They also have a smooth, wide, concentric, surface suitable for torque tensioning. This combination offers tremendous installation savings over inefficient, hot rolled, non-concentric thread forms. Threads are available in both right and left hand. Williams All-Thread-Bars are threaded around the full circumference enabling the load transfer from the bar to the fasteners to occur efficiently without eccentric point loading. Williams fasteners easily meet the allowable load transfer limitations set forth by the Post TensioningInstitute. Williams 150 KSI All-Thread-Bars and fasteners are machined to tight tolerances for superior performance and mechanical lock. Precision machining greatly reduces concern of fastener loosening or detensioning. Williams 150 KSI bars exceed the deformation requirements of ASTM A722. Williams special thread deformation pattern projects ultra-high relative rib area, much greater than conventional rebar. This provides for superior bond performance in concrete.

Tensile Strength & Working Loads

Williams 150 KSI bars are available with ultimate tensile strengths and working loads as displayed above. Safety factors and functional working loads are at the discretion of the project design engineer, however, test loads should never exceed 80% of the published ultimate bar strength.

Cutting (No Welding)

Williams 150 KSI All-Thread-Bar should not be subjected to the heat of a torch, welding or used as a ground. Field cutting should be done with an abrasive wheel or band saw.

150 KSI All-Thread-Bar Accessories

All Couplings and Hex/Collar Nuts exceed 100% of the bar’s published ultimate strength and couplings will meet ACI 318 Section 25.5.7.1 for mechanical rebar connections.

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R72 Stop-Type Couplings

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Bar
Diameter Outside
Diameter Overall
Length Part
Number 1”
(26 mm) 1-3/4”
(44 mm) 4”
(102 mm) R72-08 1-1/4”
(32 mm) 2-1/8”
(54 mm) 4-1/2”
(114 mm) R72-10 1-3/8”
(36 mm) 2-3/8”
(60 mm) 5”
(127 mm) R72-11 1-3/4”
(46 mm) 3”
(76 mm) 8-1/2”
(216 mm) R72-14 2-1/4”
(57 mm) 3-1/2”
(89 mm) 8-1/2”
(216 mm) R72-18 2-1/2”
(65 mm) 4-1/4”
(108 mm) 8-5/8”
(219 mm) R72-20 3”
(75 mm) 5”
(127 mm) 11-7/8”
(302 mm) R72-24

R73 Hex Nuts / R74 Collar Nuts

               

Hex Nut                                                                     Rounded Collar Nut

Bar
Diameter Across
Flats Across
Corners Thickness Part
Number 1”
(26 mm) 1-3/4”
(44 mm) 2.0”
(51 mm) 1-5/8”
(41 mm) R73-08 1-1/4”
(32 mm) 2-1/4”
(57 mm) 2.6”
(66 mm) 1-7/8”
(48 mm) R73-10 1-3/8”
(36 mm) 2-1/2”
(64 mm) 2.9”
(73 mm) 2-1/8”
(54 mm) R73-11 1-3/4”
(46 mm) 3”
(76 mm) 3.5”
(88 mm) 3-1/2”
(89 mm) R73-14 2-1/4”
(57 mm) 3-3/4”
(95 mm) 4.3”
(109 mm) 3-3/4”
(95 mm) R73-18 2-1/2”
(65 mm) 4-1/4”
(108 mm) 4.9”
(124 mm) 3-3/4”
(95 mm) R73-20 3” *
(75 mm) 4-1/2”
(114 mm) OD 5”
(127 mm) 5-1/2”
(140 mm) R74-24

* Rounded Collar Nut

 

R88 Spherical Hex Huts

Provides up to 5 ̊ angle when used with a dished plate

Bar
Diameter Across
Flats Thickness Outside
Dome Part
Number 1”
(26 mm) 1-3/4”
(44 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”
(80 mm) R88-10 1-3/8”
(36 mm) 2-1/2”
(64 mm) 3-1/4”
(83 mm) 3-5/8”
(90 mm) R88-11 1-3/4”
(46 mm) 3”
(76 mm) 3-1/2”
(89 mm) 4”
(102 mm) R88-14 2-1/4” *
(57 mm) 3-3/4”
(95 mm) 5-1/4”
(133 mm) 5-1/2”
(140 mm) R73-18
R81-18 2-1/2” *
(65 mm) 4-1/4”
(108 mm) 5-1/2”
(140 mm) 6”
(152 mm) R73-20
R81-20 3” **
(75 mm) 4-1/4”
(108 mm) 7-1/2”
(191 mm) 7”
(178 mm) R74-24
R81-24

 

R73/R74-JN Jam Nuts

       
Hex Jam Nut                                      Rounded Collar Jam Nut

Jam Nuts can not be substituted for full strength nuts. Larger diameters will be a rounded collar jam nut, with special order machined hex available.

Bar
Diameter Across
Flats OD/Across
Corners Thickness Part
Number 1”
(26 mm) 1-3/4”
(44 mm) 2”
(51 mm) 0.41”
(10 mm) R73-08JN 1-1/4” *
(32 mm) 1-7/8”
(48 mm) OD 2-1/8”
(54 mm) 0.47”
(12 mm) R73-10JN 1-3/8” *
(36 mm) 2-1/8”
(54 mm) OD 2-3/8”
(60 mm) 0.53”
(14 mm) R73-11JN 1-3/4” *
(46 mm) 2-3/4”
(70 mm) OD 3”
(76 mm) 0.88”
(22 mm) R73-14JN 2-1/4”*
(57 mm) 3-1/4”
(83 mm) OD 3-1/2”
(89 mm) 0.94”
(24 mm) R73-18JN 2-1/2” *
(65 mm) 4”
(102 mm) OD 4-1/4”
(108 mm) 0.94”
(24 mm) R73-20JN 3” *
(75 mm) 4-1/2”
(114 mm) OD 5”
(127 mm) 1.38”
(35 mm) R74-24JN

*Round Collar Jam Nut

 

R9F Hardened Washers

Bar
Diameter Outside
Diameter Inside
Diameter Thickness Part
Number 1”
(26 mm) 2-1/4”
(57 mm) 1-3/16”
(30 mm) 5/32”
(4 mm) R9F-09-436 1-1/4”
(32 mm) 2-3/4”
(70 mm) 1-1/2”
(38 mm) 5/32”
(4 mm) R9F-11-436 1-3/8”
(36 mm) 3”
(76.2 mm) 1-5/8”
(41 mm) 5/32”
(4 mm) R9F-12-436 1-3/4”
(46 mm) 3-3/4”
(95 mm) 2-1/8”
(54 mm) 7/32”
(6 mm) R9F-16-436 2-1/4”
(57 mm) 4-1/2”
(114 mm) 2-5/8”
(67 mm) 9/32”
(7 mm) R9F-20-436 2-1/2”
(65 mm) 5”
(127 mm) 2-7/8”
(73 mm) 9/32”
(7 mm) R9F-22-436 3”
(75 mm) 6”
(152 mm) 3-3/8”
(86 mm) 9/32”
(7 mm) R9F-26-436

To achieve full strength of the system, hardened washers must be used with R73 hex nuts

 

R8M Beveled Washers

Bar
Diameter Degree
of Bevel Outside
Diameter Inside
Diameter Maximum
Thickness Minimum
Thickness Part
Number 1”
(26 mm) 10° 2-27/32”
(72 mm) 1-7/16”
(37 mm) 7/8”
(22 mm) 3/8”
(10 mm) R8M-08-150 1-1/4” *
(32 mm) 15° 3-3/8”
(86 mm) 1-9/16”
(40 mm) 1-15/64”
(44 mm) 3/8”
(10 mm) R8M-12S 1-3/8”
(36 mm) 15° 3-1/2”
(89 mm) 1-3/4”
(44 mm) 1-1/4”
(32 mm) 3/8”
(10 mm) R8M-13S 1-3/4”
(46 mm) 15° 5-1/4”
(133 mm) 2-1/4”
(57 mm) 1-5/8”
(41 mm) 5/16”
(8 mm) R8M-16-150 2-1/4”
(57 mm) 10° 6-1/2”
(165 mm) 3”
(76 mm) 1-7/8”
(48 mm) 3/4”
(19 mm) R8M-18-150 2-1/2”
(65 mm) 10° 7-1/2”
(190 mm) 3-1/2”
(89 mm) 2.31”
(59 mm) 1”
(25 mm) R8M-20-150 3”
(75 mm) 10° 8”
(203 mm) 3-5/8”
(92 mm) 2.43”
(62 mm) 1”
(25 mm) R8M-24-150

To achieve full strength of the system, beveled washers must be used in conjunction with a hardened washer.

 

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