Angela's FAQs

Stainless Nuts and Galvanized Bolts

Can stainless steel nuts be used with galvanized bolts?

The use of stainless nuts with galvanized bolts is not advisable. Portland Bolt has fielded requests for galvanized bolts that have a stainless nut and washer as the hardware. Ideally, you would use a galvanized nuts and washers with a galvanized bolts and stainless bolts with stainless nuts and washers. Both types of nuts and... Read more

SS304 or SS316 Bolts

Can I order bolts to Type 304 or 316 stainless steel?

Type 304 and Type 316 are very common stainless steel grades that just refer to a type of stainless steel. If you were to look for Type 304 or 316 stainless steel bolts in the ASTM Fastener Standards Manual you aren’t going to find them. That is because they are steel grades as opposed to... Read more

Black Bolt

9/16″ Structural Bolt Availability

Are 9/16” diameter F3125 Grades A325 and A490 structural bolts readily available?

No. The specification moves up in 1/8” increments starting at ½” diameter and maxing out at 1-1/2”. Under the old A325 – 09 specification, there was a reference about oversize limits on bolts and listed 9/16” diameter as a size. Since A325 bolts have been reclassified under the new F3125 specification, there is no longer... Read more

All Thread Rod in Tie Rod Assemblies

Can I use all thread rod for tie rod assemblies?

Yes and No. Traditionally, tie rod assemblies are used with thread each end rods and two clevises. They are designed to have a left-hand threaded end within the assembly in order to draw it tight. All thread rod possesses continuous right-hand thread from one end of the rod to the other. Here are the ways... Read more

Fine Thread Structural Bolts

Can A325 and A490 structural bolts be supplied with fine thread?

No. The specification calls out that those bolts must be Unified National Coarse thread and have class 2A tolerances. The F3125/F3125M specification reads: 4.2 Threads: 4.2.1 Uncoated bolt threads shall be as specified in Table 1. 4.2.2 Coated bolts shall have threads meeting Table 1 requirements before coating. TABLE 1 Thread Fit, ASME 120 ksi... Read more

Fully Threaded Headed Bolts

Can Portland Bolt make fully threaded headed bolts?

It depends. To answer this question, we have to go into the details about the different ways to we can thread a bolt. As well as different head styles.  Roll Thread  We can thread to within 2” of the head. We can thread up to 1” diameter bolts that are mild steel, stainless steel, or... Read more

Ensuring Orders Ship on Time

How does Portland Bolt ensure orders ship on time?

We here at Portland Bolt pride ourselves on our quick turnaround times and on-time delivery. Often times a company will say that they can hit a certain date and miss the mark. When it comes to tight deadlines Portland Bolt understands that missing a concrete pour or failing to hit a deadline can cost your... Read more

Large Diameter A563-A Hex Nuts

Are A563 Grade A standard hex nuts available larger than 1½” diameter?

No. According to the specification, A563 Grade A hex nuts, sometimes referred to as finished hex nuts, stop at 1-1/2” diameter. A563 Grade A nuts are only available larger than 1-1/2” diameter in a heavy hex pattern. Portland Bolt stocks both import and domestic A563 Grade A standard hex and heavy hex nuts.