F1852 TC Bolts For Many Construction Requirements
F1852 TC bolts are tension control bolts that meet with a unique set of ASTM specifications, which pertain to “twist-off” structural bolts assemblies. They are used to link steel building elements and secure joints in a variety of construction applications.
F1852 TC bolts contribute to long-lasting permanent holds. They are structural-grade fasteners that suit many infrastructure demands. They are used as a modern alternative to structural rivets. This is due to the speed and reliability of the installation process, which is a direct result of the TC’s bolts form.
TC bolts are actually a fastener assembly. They include a washer and a nut in addition to a partially-threaded bolt. The bolt has a special part at the end of its threaded length, which is called the spline or the “twist-off”. This part is designed to break off when the correct tension has been reached.
The installation process is completed with an electronic tool called a shear wrench or TC gun. The shear wrench will grip the nut and the spline and rotate them simultaneously, which causes the spline to break away.
Since F1852 TC bolts are self-calibrating, pre-lubricated, and the installation process can be completed by one person, they are a very efficient option for securing parts in demanding structural applications.
These TC bolts are made to F1852 bolt spec criteria, which is defined by The American Society for Testing and Material standards organization. They range in diameter from 1/2 inch to 1 1/2 inches and must exhibit a tensile strength between 105,000 and 120,000 psi.
Depending on their type, they are manufactured from medium carbon steel, carbon boron steel, medium carbon alloy steel, or weathering steel, and may sometimes be galvanized for added corrosion resistance. The proper temperature range of F1852 TC bolts is between 40 and 90 degrees Fahrenheit (4 to 32 degrees Celsius).
F1852 TC bolts are also known under the ASTM A325 structural bolt. These specifications have been officially withdrawn and replaced by the American Society for Testing and Material in 2016 with ASTM F3125. Most bolt manufacturers and suppliers will continue to categorize TC bolts under ASTM A325 and ASTM F1852 specs.
Since F1852 TC bolts are used in critical structural applications and must provide reliable support, their quality and integrity should always be carefully tested and confirmed. They should therefore be sourced from a trusted provider.
What Are ASTM F3125 TC Bolts?
ASTM F3125 TC bolts are bolts that meet with current American Society for Testing and Material standards organization criteria for pre-assembled, splined structural bolt assemblies. This spec has replaced ASTM A325 and ASTM F1852 TC bolt specs, which were withdrawn in 2016. Depending on the bolt supplier or manufacturer, these TC bolts may be categorized under ASTM F3125, ASTM A325, or ASTM F1852.
How Are F1852 TC Bolts Installed?
F1852 TC bolts are installed using a hand-held, electric tool called a shear wrench or TC gun. This tool holds the nut and the spline of the bolt. Both of these parts are rotated simultaneously but in opposite directions. As torque is applied, the nut is tightened onto the bolt’s thread and the spline is twisted until it breaks off. Once this happens, it indicates that optimal tension has been reached.
Are F1852 TC Bolts High Strength?
F1852 TC bolts are considered high-strength, structural-grade bolts. They deliver a reliable performance and can withstand forces up to 120,000 PSI. There are other tension control bolts that are more suitable to heavy-duty applications. This includes ASTM F2280 TC bolts, which are also known as A490 TC bolts.