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Rusty bolt, clean threads. 🔧

Sukooniyat

10,093 subscribers

1,601,398 次观看 • 5 天前 •via X (Twitter)

艺术教育喜剧

Anya Rossi• Live Now

Private livecam show

11 条评论

破産リーマン的头像

破産リーマン4 天前

切り粉出るってことは、ネジ径細くなっちゃうじゃん。それでいいの？

Deepak kumar 的头像

Deepak kumar4 天前

This bird was trained to go find money then bring it back home

Steve Hernandez 的头像

Steve Hernandez4 天前

Big difference between cleaning a bolt and stripping away layers of metal.

Daniel 的头像

Daniel4 天前

Dusty Doritos factory bolt gets exposed to wild flavors

Lucy Skyy💙 的头像

Lucy Skyy💙4 天前

the contrast is so satisfying tho something about watching the rust give way to clean steel just hits right

M. Scott 的头像

M. Scott4 天前

Now do your finger!

scatter 的头像

scatter4 天前

Why are chili powders coated on the screws?

Shubham Sahu 🇮🇳 的头像

Shubham Sahu 🇮🇳4 天前

From rusty to ready satisfying transformation.

martin reeves 的头像

martin reeves4 天前

That’s fucked that bolt up

Sukooniyat 的头像

Sukooniyat4 天前

Haha yeah 😂 I really messed that bolt up

Aayushi 🌼 的头像

Aayushi 🌼4 天前

Amazing

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In mechanical engineering, cutting deeper threads does not make a bolt stronger. In fact, it does the exact opposite. There is a precise point of diminishing returns where adding thread depth significantly weakens the fastener without providing any extra holding power. The strength of any threaded connection depends on a delicate balance between thread engagement and the integrity of the bolt core. The Core Diameter Problem The most critical dimension of any threaded fastener is its minor diameter the thickness of the solid metal cylinder remaining at the very center of the bolt. Structural Integrity: When you cut threads deeper, you are effectively carving away this central core. A bolt with excessively deep threads has a much thinner minor diameter, drastically reducing its cross-sectional area and making it highly susceptible to snapping under tension or shear force. Stress Concentration: Deep, sharp thread roots act as severe stress risers. These are microscopic points where mechanical stress accumulates during loading, leading to fatigue cracks that can cause the bolt to fail unexpectedly. The 75% Rule To prevent these failures, standard engineering practice relies on the 75% thread engagement rule for standard fasteners.

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