FAQs

Tie rod assembly with connection plate diagram.

How is a Tie Rod Assembly Measured?

by Julie Taylor Palmer
June 7, 2023November 10, 2023

Machine for rotational capacity testing.

What Separates Portland Bolt From Other Suppliers?

by Anthony Porreco
May 31, 2023May 30, 2023
2 Comments

Different heading types used in a lag screw.

What to Know About Lag Screws Before Ordering

by Julie Taylor Palmer
May 17, 2023April 25, 2023

What is the Difference Between 304 and 316 Stainless Steel?

by Anthony Porreco
May 3, 2023April 24, 2023

Do Anchor Bolts Need to be Galvanized?

by Julie Taylor Palmer
April 19, 2023April 11, 2023
2 Comments

Post-installed anchor rods by Portland Bolt.

How are Threaded Anchor Rods Used in Concrete?

by Anthony Porreco
April 12, 2023April 11, 2023
2 Comments

What is the Difference Between Type 1 and Type 3 Structural Bolts?

by Jessica Davis
April 5, 2023April 14, 2023

Light Pole Anchor Bolts

by Kailey Tillman
March 29, 2023March 30, 2023

What Sized Anchor Bolts are Used for Light Poles?

Timber bolts and other fasteners used in marine construction.

What Makes Marine Fasteners Different From Other Fasteners?

by Anthony Porreco
March 22, 2023March 22, 2023

What are Marine Fasteners?

Different ways that threaded rods are measured.

How is All Thread Rod Cut?

by Dan Karpan
March 15, 2023March 8, 2023

How Do You Cut All Thread Rod?

What is the Difference Between ASTM A490 and ASTM A325 Bolts?

by Julie Taylor Palmer
March 8, 2023March 8, 2023

Is There a Difference Between ASTM A490 and ASTM A325 Bolts?

Split ring timber connector used by Portland Bolt.

Is the Groove Depth of a Split Ring or Shear Plate Timber Connector Adjustable?

by Dan Karpan
March 1, 2023March 8, 2023

Can I Adjust the Depth of the Groove for a Split Ring Connector or Shear Plate Timber Connector?

Washer and Bolt Compatibility

by Kailey Tillman
January 6, 2023January 6, 2023

Can F436 Hardened Washers Be Paired With A307 Hex Bolts?

Galvanized Grade 5 Nuts

by Angela Tocchi
January 5, 2022February 20, 2022
2 Comments

Is there a reason I can’t find grade 5 hot-dip galvanized nuts? I’m only finding zinc plated grade 5 nuts.

Cast-in-Place vs. Post-Installed Anchors

by Anthony Porreco
June 11, 2021
2 Comments

What is the difference between cast-in-place anchors and post-installed anchors?

Rotational Capacity Tests

by Greg Lindsay
June 11, 2021February 1, 2023
9 Comments

Which bolts require a rotational capacity test?

Tie Rod Adjustability

by Dan Karpan
January 19, 2021January 21, 2021

How much adjustability does a tie rod assembly provide?

ASTM vs SAE

by Nate Erde-Wollheim
January 13, 2021May 19, 2021
1 Comment

What is the difference between ASTM and SAE Fastener Standards?

Stainless Nuts and Galvanized Bolts

by Angela Tocchi
November 30, 2020October 1, 2021
4 Comments

Can stainless steel nuts be used with galvanized bolts?

Intergranular Corrosion Test

by Kailey Tillman
November 30, 2020October 1, 2021
2 Comments

What is an intergranular corrosion test?

SS304 or SS316 Bolts

by Angela Tocchi
November 6, 2020October 1, 2021
4 Comments

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

9/16″ Structural Bolt Availability

by Angela Tocchi
November 5, 2020October 1, 2021

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

All Thread Rod in Tie Rod Assemblies

by Angela Tocchi
August 12, 2020August 12, 2020
2 Comments

Can I use all thread rod for tie rod assemblies?

Difference between F594 & A194 nuts

by Dane McKinnon
April 7, 2020
2 Comments

What is the difference between F594 and A194 nuts?