Wrought Washer Mfg., Inc. is the world’s largest washer manufacturer and the dominant supplier of structural washers in the USA. Wrought Washer acquired TurnaSure with the world’s most comprehensive line of Direct Tension Indicating Washers (DTIs) for bolts, studs and anchors. This includes the award-winning ViewTite visual indicating DTI. Its two-step compression process sees extremely reliable appearance of the colored elastomer when the bolt has reached the correct tension. They are more durable, and predictable, and no need for washers underneath for expanded holes. All Wrought Washer’s products are made in the USA with union labor.
Unytite, Inc.
Established in 1986, Unytite, Inc. operates from a 200,000 sq. ft. facility in Peru, Illinois, just 90 miles west of Chicago. We manufacture high-quality standard and custom fasteners, along with precision cold- and hot-formed components—all 100% made in the USA using domestically sourced materials. Our product range includes ASTM-certified structural nuts and bolts for construction, custom-engineered fasteners for heavy equipment, and automotive forming products. As part of the Unytite Group, we combine American manufacturing expertise with global engineering innovation to deliver reliable solutions.
TRU-FIT PRODUCTS
Tru-Fit Products manufactures a full line of stud welding equipment, weld studs, specialty fasteners, anchor bolts, and plate washers for the structural, manufacturing, and construction industries. Based out of Ohio and with nearly 100 years of fastener manufacturing experience, Tru-Fit Products has the capabilities to take care of your company’s fastener needs. Visit www.tfpcorp.com and www.truweldstudwelding.com to learn more.
Threaded Fasteners, Inc.
Threaded Fasteners Inc. (TFI) is an employee owned business that specializes in the manufacturing, custom packaging and distribution of steel fasteners including anchor bolts and more. | Threaded Fasteners Inc. is a 100% Employee-Owned company specializing in the manufacturing, custom packaging, and distribution of steel fasteners including A325 Structural Bolts, Anchor Bolt Assemblies, Hex Nuts, Flat Washers, Plate Washers and more. With 445 Employee-Owners, 5 Manufacturing Plants, In-house Galvanizing, 20 locations and $25 million in Inventory across the U.S., we are strategically positioned to serve our customers with quality, speed and reliability. We proudly offer parts that are 100% melted & manufactured in the USA to meet the global needs of our customers. | Threaded Fasteners is a leading provider of high-quality manufactured components for various industries within the United States. We proudly produce machine bolts, double arming bolts, and foundation anchor bolts domestically. We also maintain the nation’s largest inventory of substation and transmission fasteners, including galvanized, stainless steel, bronze, and aluminum options.
Threadline Products, Inc.
FAST. FLEXIBLE. AT YOUR SERVICE. Threadline Products, Inc. has supplied threaded products and miscellaneous steel to the construction industry since 1984. We can furnish any bolt or fastener for commercial building construction and concrete; F1554 anchor bolts, A325 structural connection bolts, grade 5/8 bolt, socket headed bolts , rebar and more. Threadline has carbon, stainless and alloy material in stock ready to fabricate and meet your custom requirements with expert welders on our fabrication team. With 1-2 day shipping available to over half the US, our speed is unmatched. We are D.B.E/HUB certified.
Structural Bolt and Manufacturing, Inc.
Since 1985, Structural Bolt & Manufacturing has been providing the finest products and services in the structural fastener industry. We specialize in heavy construction fasteners and anchoring products for the structural steel industry. As one of today’s leading anchor rod manufacturers and structural fastener distributors in the United States, our capabilities are limited only by an engineer’s imagination.
St. Louis Screw & Bolt
Selling direct to structural steel fabricators, St. Louis Screw & Bolt is one of the oldest structural bolt manufacturers in the USA. Specializing in ASTM F3125 heavy hex & tension control structural bolts in grades A325/F1852/120ksi & A490/F2280/150ksi, types I and III, plain, mechanically galvanized, hot dip galvanized, F1136 & F2833 coatings. St. Louis Screw & Bolt also has a very large inventory of other construction fasteners including anchor bolts, weld studs, & concrete anchors just to name a few.
Shandong Hanpu Machinery Industrial Co., Ltd.
China’s most professional Electric Torque wrench and Shear wrench manufacturer. Accept customized production. Newly products keep on the way.
Research Council on Structural Connections
The Research Council on Structural Connections (RCSC) is a leading organization that guides research on structural steel connections. It develops standards and best practices for the design, fabrication, and installation of bolted connections, ensuring safety and reliability. RCSC fosters collaboration among professionals to address challenges, promote innovations, and support education. Its work influences codes and practices globally.