Newest FAQs
The SAE J429 Grade 5 specification used to share the same head marking requirement as ASTM A449. A449 and Grade 5 are virtually identical both chemically and mechanically, but where the Grade 5 specification stops at 1-1/2” diameter, A449 continues up to 3”. They shared the three radial line head marking that Grade 5 still... Read more
Portland Bolt manufactures both median barrier connecting pins and base stabilization pins for precast barriers used in many different states throughout the country. Although most states use a unique design for their pins, we have worked with several Departments of Transportation to approve our unique barrier pin. We designed the head of the pin to be... Read more
Yes, 12’ sticks of hot-dip galvanized all thread rod can not only be cut to smaller lengths, but it is often preferred. Depending on the application, all thread rod studs vary in length. For this reason, it is most common for all thread rod to be stocked in 12’ sticks, which can then be cut... Read more
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
If a Portland Bolt customer requests to return product, it is company policy to implement a 25% restocking fee. The reason for this charge is to cover the initial costs involved with processing the order. These costs include the salesperson’s time to quote and write the order, labor to pull and package the product, and... Read more
Economy bolt is an alternative name for what is most commonly referred to as a timber bolt. Some other names for this part are dome head, fender head, safety head, and mushroom head bolt. The economy bolt name is most common in the Pacific Northwest. This style of bolt is used in marine and wood... Read more
No, only Type 316 stainless steel clevis forgings are available off the shelf. Suppliers choose not to double inventory them since 316 stainless is virtually identical in strength to 304 stainless and provides more corrosion resistance. Type 304 stainless threaded rods are frequently supplied with Type 316 stainless clevises. If a 304 stainless clevis is... Read more
The grade of the nut does not have any implicit bearing on the physical dimensions. For example, an ASTM A563 Grade DH heavy hex nut will be the exact same dimensions as an ASTM A194 Grade 2H heavy hex nut and an A563 Grade A finished hex nut will have the same dimensions as an... Read more
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
Stainless flat washers fall under the same ASME dimensional standards as your typical plain steel flat washer, which is ASME B18.21.1. Under ASME B18.21.1, dimensional tolerances for plain washers, there are two types specified, type A and type B. Type A has two series sizes to consider which include narrow and wide, while Type B... Read more
