Newest FAQs

Restocking Fees at Portland Bolt

Why does Portland Bolt assess a restocking fee for returned materials?

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

What is an Economy Bolt?

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

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