Bolts

Photo of Rolled Threads Unlimited Bolts

PRODUCTS

Bolts

Featuring superior strength, finish, and precision of the rolled thread.

Hex head bolts and other specialty bolts are offered by Rolled Threads Unlimited to specifications including Grades 2, 5 or 8, metric equivalents, A 490, B-7, A 325 and others. Send us your bolts for thread rolling, or we can make them complete.

Pile of class 10.9 hex head blank bolts.

Rolled Threads Unlimited specializes in the manufacturing of threaded bolts, offering a versatile range tailored to both custom and standard specifications in a variety of sizes. Employing advanced production techniques, we use an array of high-quality metal alloys, ensuring robustness and efficacy across diverse applications.

Three-Column Layout

SPECIFICATIONS

ASME B1.1
ASME B1.13M
SAE AS8879
ASME B1.21M

SIZE RANGE

Under 1/8" through 6″ Diameter
2 Pitch Thru 80 Pitch
Hardness to Approximately Rc 42

MATERIALS

Carbon & alloy steel
Stainless steel
Nickel alloy
Brass
Aluminum

Get Your Next Project Done!

Example of a hex head bolt with rolled thread ends

SPOTLIGHT

Bolts

The part shown here is used in well drilling equipment by one of our customers in the oil & gas industry. This is a 1 1/2-6 UNC Hex Head Bolt. This part is a great example of many (but not all) of Rolled Threads Unlimited's secondary operation capabilities. The manufacture of this part entails the following steps:

  • 4340 Annealed Round Bar
  • Rough Machine
  • Heat Treat To SAE J429 Grade 8
  • Finish Machine
  • Roll 1 1/2-6 Thread
  • Testing Witnessed By DNV (Charpy, Mag Particle)
  • Stamp With Identifier
  • Electroless Nickel Plate