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3/8 S/S Lag Screws
$8.90Out of Stock
3/8 inch stainless steel lag screws
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3/8 S/S Lag Screws Customer Questions and Answers

5 of 5 Questions

Question

Is 18-8 stainless steel marine grade??????

Asked on 11/15/2014 by ro rose

Top Answer

No. 316 stainless is marine grade

Answered on 11/15/2014 by DON HUGHES
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Answer

316 stainless[which is 18-10] is the preferred choice but your splitting hairs as 304 stainless[which is 18-8]is more commonly used. The numbers designate the percentage of chromium and nickle. 316 is used more in the medical field[implants]. 304 lag screws outlast bronze screws by far in boating applications. Hope this helps.

Answered on 11/16/2014 by CHUCK GAMATORIA

Answer

Hi' I use lag screws for securing motor and motor mounts in our 1922 27 ft long decker launch project. It is my belief that fay and bowen used iron fasteners extensively. In places where where 3/8 iron fastener were used, there was plenty of corrosion, sometimes we found the diameter redjuced by 50%. We replaced the iron stuff with stainless, alloy 18-8 I think. We weren't worried out bout thickness reduction, so we felt that using metal somewhat weaker would be ok. I have been buying fasteners form Jamestown for ~ 25 years. I believe they have superb individual running the fastener department. When you compare them to inferior product, they look better, feel better have correct dimensions etc. There was a time when i searched for information on fastener grades.

Answered on 12/02/2014 by JEROME LAPHAM
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Question

Where are these made? It is important that they are quality and have the maximum shear strength.

Asked on 09/15/2013 by Pete Halsch

Top Answer

I do not know where they are made. I used them to fasten two 16' wide x 10' long retractible awning assemblies to my roof two years ago and they are holding fine. Used two per bracket along with one 3/8" hanger bolt every 16".

Answered on 09/15/2013 by Dave Stauver
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Answer

Don't know where they are made. Quality seemed fine, I used them for railings in an outside project.

Answered on 10/07/2013 by ROBERT RANSON

Answer

Pete H - I don't know where they are made, Jamestown should know that. I used them to attach Redi Footing support piers to 4X6 beams that support a 10X14 shed I built. I substituted these for the galvinized lag screws that came with the Redi Footings. The tops of the piers are close to the ground and I needed something that wouldn't rust. I am also close to the seashore and stainless is the way to go. That's why I went with a marine supplier. They were exactly what I needed. I tend to over tighten things and had no problem with these.

Answered on 09/15/2013 by WILL FEUER
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Question

What percent of the lag screw is threaded (3/8 by 4 inch) on an 18-8 stainless steel lag screw?

Asked on 07/06/2014 by Paul P.

Top Answer

Installed these over a year ago to bolt a 4X6 beam into Redi Footings for a shed I built. Did the job! As I remember all of the screw was threaded, though the ones I used were shorter than 4".

Answered on 07/06/2014 by WILL FEUER
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Question

what kind on ss is this?

Asked on 03/02/2013 by Mark S

Top Answer

It is an 18-8 type stainless steel.

Answered on 03/04/2013 by Kevin V
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Question

What is the grade of the stainless steel on your 3/8 lag bolts? Your 5/16 clearly states 316 but your 3/8 does not?

Asked on 04/23/2012 by david shorey

Top Answer

18-8 is the grade on these.

Answered on 04/26/2012 by Ryan L
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