Why stainless
Åtdragningsmoment för rostfria skruvar – tabell för A2 och A4
Hur hårt ska du dra en rostfri skruv? Här är momenttabellen för A2-70, A4-70 och A4-80 (M3–M24), varför du alltid ska smörja rostfria gängor och hur du drar rätt med...
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What is the difference between products that are forged and cast?
Forging shapes metal with force (often while hot), which results in a denser grain structure that follows the shape of the part. Casting pours molten metal into a mold where...
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What is duplex steel?
What is Duplex steel and why choose it over A4? Learn everything about strength, corrosion protection, galvanic properties, and when Duplex fasteners are best.
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DIN and ISO: Why the numbers on your screws actually matter
Why is the screw called DIN 933 one moment and ISO 4017 the next? Understanding fastener standards is about more than just labeling – it is about safety, perfect fit,...
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Blind rivet nut: The ultimate solution when you only have access from one side
Are you looking for stainless steel blind rivet nuts? Learn about the benefits of single-sided installation and why stainless steel is best for durability. Find the right range at Rostfri.nu
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Why stainless steel deck screws are the best investment for your deck project
Building a deck is a major project that requires time, sweat, and a fair amount of money. When you are standing in the hardware store choosing between the cheap surface-treated...
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Locking mechanisms – lock nut, lock washer and thread locking compared
Compare lock nuts, lock washers, and thread lockers. Learn which locking mechanism is best suited for vibrations, maintenance, and stainless steel assembly.
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Price factors: What makes stainless steel more expensive – and why is it often worth the price?
Read about what makes stainless steel more expensive – raw materials, manufacturing, and quality – and when the higher cost pays off over time.
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Common mistakes with stainless steel nuts – and how to avoid them
Guide to common mistakes with stainless steel nuts. Learn how to choose the right nut, avoid galling, and use the correct locking and torque.
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Trays – why they are more important than you think
Learn why washers are essential in bolted joints. A guide to different types of washers, material selection (A2/A4), and common mistakes.
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