Stainless Steel Screws at Lidl's - Router Forums
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post #1 of 3 (permalink) Old 05-23-2019, 10:37 AM Thread Starter
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Join Date: Oct 2012
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First Name: Colin
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Default Stainless Steel Screws at Lidl's

Hi There Fraternity.

Out of action just now. Got my cast off and now have an extra three fingers at my disposal.

Was bored out of my tiny mind so volunteered to go on an expedition with my good wife to Lidlís.

Now unfortunately this may be only for the UK contingent, but at Christmas I was in a newly opened Lidlís in Houston and they were selling the identical items but everything was in inches and feet and I got confused and had to leave the shop.

The reason I am posting this is that stainless steel screws are usually quite expensive and really handy for outdoor projects and here this week they are selling them for £2.99p per box. There are three ranges and as you can see, I purchased two of each. And as a true Scotsman to good to miss, so thought I must share with members.

While there I also purchased an auto weldersí helmet for £22.99p as my old one was on its way out. Tried it and works a treat for what I require as an occasional tool. It comes with a set of rechargeable batteries which are solar charged.

And finally a set of wire brushes for £3.99p

So thatís it lads, grab your wives and give them a treat at Lidlís

Colin
Scotland
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post #2 of 3 (permalink) Old 05-23-2019, 11:56 AM
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I used stainless metal screws to affix tie-down loops on the sides of my truck bed. Put strips of rubber under the tie-down loops to prevent the steel rusting over time. The screws are bright as ever after 10 years. However, the airfare will probably offset the savings on the bargain screws. Been awhile since I last crossed the pond.

The more I do, the less I accomplish.
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post #3 of 3 (permalink) Old 05-23-2019, 12:12 PM
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good finds..
check the screws to see if they are magnetic...
if they are they are they're not suitable for outdoor use or acidic woods like oak, cedar, hemlock....
200 series SS generally is magnetic.. often imported SS screws are 200 series SS...

Ferritic stainless is magnetic....

Stainless steels are a very broad group of metals. The name was adopted as a generic term for steel alloys with a minimum of 10.5% chromium. The chromium gives the steel its 'stainless' properties - essentially corrosion resistance. On the surface of the metal, a very thin chromium-rich oxide layer is formed which is inert - i.e. it prevents the steel from rusting. The advantage of stainless steels over plated steels is that, if scratched or damaged, the steel will 'self-repair' as a new oxide layer is formed. In plated steels, scratches in the plate will often lead to corrosion of the steel underneath.

In general, the higher the proportion of chromium, the stronger the corrosion resistance of the steel. In addition to chromium, other metals are added to give the steel particular properties such as strength and malleability. Specifically nickel is used to strengthen the oxide layer.

As for whether they are magnetic, the answer is that it depends. There are several families of stainless steels with different physical properties. A basic stainless steel has a 'ferritic' structure and is magnetic. These are formed from the addition of chromium and can be hardened through the addition of carbon (making them 'martensitic') and are often used in cutlery. However, the most common stainless steels are 'austenitic' - these have a higher chromium content and nickel is also added. It is the nickel which modifies the physical structure of the steel and makes it non-magnetic.

So the answer is yes, the magnetic properties of stainless steel are very dependent on the elements added into the alloy, and specifically the addition of nickel can change the structure from magnetic to non-magnetic.

Characteristics of the 200 Series of Stainless Steels

Although it's corrosion-resistant, the 200 series has a lesser ability than the 300 series to protect against pitting corrosion.

This occurs in environments that have high moisture and chlorine contents. The 200 series also have a lesser ability to protect against crevice corrosion, which results in stagnant liquid and high acid environments. The chromium content must also be reduced in order to decrease the nickel content, thereby lowering corrosion resistance.

This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

Stick....
Forget the primal scream, just ROAR!!!
"SNORK Mountain Congressional Library and TaxidermyĒ
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