Author Archive
Contec Anchor Bolt Sleeves vs. Wilson Anchor Bolt Sleeves
Thursday, January 12th, 2012Answer: Portland Bolt inventories two different lines of anchor bolt sleeves, Wilson and Contec.
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What forms of payment does Portland Bolt accept?
Monday, January 9th, 2012Answer: Portland Bolt cannot ship an order until it has been paid for in some fashion.
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Can I get a copy of the Certification documents before I place my order?
Friday, January 6th, 2012Answer: This question comes up with some regularity at Portland Bolt and by necessity the answer is no.
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What is a “Domestic Requirement” and how do I know if it applies to my project?
Tuesday, August 23rd, 2011Ordering ASTM A193 Class 2 Bolts
Tuesday, January 25th, 2011Question: What is an “A193 Class 2″ heavy hex bolt and how do I order them?
Answer: ASTM A193 is a specification for alloy and stainless steel fasteners for high temperature service, high pressure service, or both. Within the A193 specification there are multiple grades of bolts made from either alloy or stainless steel.
Read More...Maximum Service Temperature for Zinc Fasteners
Tuesday, January 18th, 2011Question: What is the maximum safe working temperature for hot-dip galvanized fasteners?
Answer: The answer to this question can be found in the appendix of the ASTM A194 specification, which deals with nuts for high temperature or high pressure service. Specifically, section X2.1 – Coatings and Application Limits.
Read More...Structural Bolts with Non-Standard Thread Lengths
Tuesday, October 19th, 2010Question: Is it possible to manufacture an A325 or A490 structural bolt with a non-standard thread length?
Answer: Yes. At Portland Bolt we are frequently asked this question. In order to better understand the answer, some background information on these two specifications is necessary…
Read More...UL Listings and ICC-ES Reports
Wednesday, July 14th, 2010Question: Do your products have a UL Listing or ICC-ES report available?
Answer: No. The products manufactured by Portland Bolt do not fall under the umbrella of products that would require a UL listing or ICC-ES report. There are three main governing bodies that cover specifications for fasteners.
Read More...Differences Between 18-8, 304, and 316 Stainless Steel
Wednesday, June 30th, 2010Question: What are the differences between 18-8, type 304, and type 316 stainless steels?
Answer: To answer this question, you first need to know some basic information about stainless steel. “Stainless Steel” is the general name for a large family of alloy steels that contain at least 10.5% chromium as part of their composition.
Read More...Guidelines for Ordering U-Bolts
Wednesday, November 5th, 2008Question: I need to buy some non-standard size u-bolts. Do you have any guidelines that will help me with ordering the u-bolts I need from Portland Bolt?
Answer: Portland Bolt can manufacture custom u-bolts that are made from 1/2” diameter and larger steel. So as long as the u-bolts you need are 1/2” in diameter or larger, we can most likely manufacture them, within the capabilities of our bending equipment and the limitations of the steel itself. To better understand what can be manufactured you will need to know a little about the way that we manufacture u-bolts.
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