Newest FAQs

Stainless Steel Clevises

Are Type 304 stainless steel clevises available?

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

Nuts Dimensions by Grade

Do different grades of nuts have different dimensions?

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

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

Standards for Stainless Steel Flat Washers

What dimensional standards do stainless steel flat washers meet?

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

Standard Bend Radius

What is the standard bend radius on right angle anchor bolt?

ASME B18.31.5 is, “The standard that establishes general requirements for parts classified as bent bolts.“ According to this specification, “The inside diameters or bend radii shall be as agreed between the buyer and manufacturer, as each dimension depends on material characteristics.” In essence, there is no standard guideline for the radius of the bend in... Read more

International Shipments

Does Portland Bolt ship internationally?

Yes!  Typically, we prefer that overseas customers arrange their own freight, but we have the resources to handle the shipping process for you. We can ship to an airport where your company or a freight forwarder will transport the bolts to their destination, or we can arrange a door-to-door shipment. What goes into arranging your... Read more

304 Stainless Steel Clevis Availability

Are Type 304 stainless steel clevises available?

No, only Type 316 stainless steel clevis forging 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

A320 Grade L7 vs. A320 Grade L7M

What is the difference between ASTM A320 Grade L7 and A320 Grade L7M?

ASTM A320 possesses several fastener grades manufactured from either alloy or stainless steel and are intended for cold temperature applications.  Both Grade L7 and L7M are manufactured from a quenched and tempered alloy steel. While the chemical requirements for both Grades L7 and L7M are identical, there are several differences that separate the two grades.... Read more

Delivery Options

What are the freight options for my order?

There are a variety of ways Portland Bolt get can get your order to you. Because a very small portion of our orders are shipped within driving distance of our manufacturing facility, we don’t have our own delivery truck. We have several freight carriers that come in on a daily basis, and we have access... Read more

Tie Rod Thread Lengths

How much thread length will I need on the tie rods I am ordering?

Unlike hex bolts, lag screws, and structural bolts, there is no standard thread length for tie rods.  A detailer or engineer may specify the thread length for tie rods, but it is not uncommon for the thread length to be left unspecified.  When thread lengths are not specified, Portland Bolt will determine the thread length... Read more