Threaded rebar is used as an alternative anchoring method when securing sign structures, wind towers, structural steel, and other foundation applications. These rods are most commonly made from ASTM A615 Grade 75 rebar with a minimum yield strength of 75 ksi. It is also referred to as jumbo rebar and available in two diameters &#; #18J (2-1/4&#;) and #14J (1-3/4&#;).
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To ensure proper thread fit the rebar must be turned down to remove the deformations. This uniform surface is used to create the required threads. Plain finish and hot-dip galvanized threaded rebar anchor bolts are available.
* The #24 and #28 diameter bars are not covered under ASTM A615.
#32 Bar availability may be limited. Please contact Williams for specific lead times.
Williams All-Thread Rebar has a cold rolled, continuous, rounded course thread form. Williams special thread (deformation) pattern projects ultra high relative rib area at 3 times that of conventional rebar. This provides for superior bond performance in concrete. Because of the high thread pitch and the full 360 degree concentric thread form, Williams All-Thread Rebar should only bent under special provisions using larger bend diameters than typical ACI minimums. As an alternative to bending, Williams recommends use of a steel plate or a threaded terminator disc to reduce development length. Threads are available in both right and left hand. Grades up to 100 are available upon request.
All-Thread Rebar is available in 12 diameters from #6 through #32. Diameters #6 to #24 are available in continuous lengths up to 50-foot, larger diameters up to 40-foot.
Welding of All-Thread Rebar should be approached with caution since no specific provisions have been included to enhance its weldability. Refer to ANSI/AWS D1.4 for proper selections and procedures.
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.
Couplings are available as tap thru upon request
If you want to learn more, please visit our website dia 50mm threaded rebar for South Africa.
Hex Nut Rounded Collar Nut
*Rounded Collar Nut
Provides up to 5 ̊ angle when used with a dished plate.
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.
*Round Collar Jam Nut
To achieve full strength of the system, beveled washers must be used in conjunction with a hardened washer.
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