I Made The World's Most Dangerous Tool
BSI inventor 101
@bsiinventor101About
Welcome to BSI Inventor 101, my creative workshop! I’m Behnam Saeidan, an exercise physiologist, bodybuilding coach, and DIY creator who loves woodworking, handmade crafts, engraving, jewelry making, and building unique tools. On this channel, I, Behnam Saeidan, share my own DIY projects and inventions. Subscribe and join me in turning ideas into reality. -------------------------------- Merhaba! Kanalımın adı BSI Inventor 101. Ben Behnam Saeidan, egzersiz fizyoloğu ve DIY üreticisi. Burada ahşap işleri, el yapımı aletler, gravür ve yaratıcı projelerimi paylaşıyorum. Yaratıcı projeleri seviyorsanız, BSI Inventor 101 kanalına abone olun. -------------------------------- سلام! اینجا کانال BSI Inventor 101 است. من بهنام سعیدان (Behnam Saeidan) هستم، کارشناس ارشد فیزیولوژی ورزشی و مربی بدنسازی. در این کانال ابزارهای دستساز، نجاری، حکاکی و پروژههای DIY خودم را به اشتراک میگذارم. کانال BSI Inventor 101 را دنبال کنید.
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I built the world’s most satisfying spring-powered punch — completely by hand, using nothing but my drill press turned into a lathe. Every part of this tool was carefully shaped from solid brass and chrome rods, polished to perfection, and fitted with a powerful spring-loaded mechanism that lets it strike automatically with a single pull. This is not a normal center punch — it’s a precision-engineered masterpiece designed to deliver perfect, consistent hits without any hammer. Just hold it with one hand, pull the brass section upward, and release. The spring mechanism releases with a powerful click, driving the sharp chrome tip into any surface with satisfying accuracy. From rough stock to fine finish, I shaped, drilled, and turned every part using my drill press lathe setup. Each curve, groove, and fit was made with precision and patience — no CNC, no machines, just skill and craftsmanship. The result is a tool that feels alive in your hand, smooth in motion, and incredibly fun to use. ⸻ ⚙️ Techniques & Materials Used • Turning a drill press into a mini lathe • Shaping and polishing brass rods and chrome steel • Hand-fitting all parts for smooth movement • Building a self-striking spring-powered mechanism • Metal finishing and fine detailing by hand ⸻ 🔥 Why This Tool Is Special • Works like a tiny one-handed hammer • Completely handmade — no machines, no shortcuts • Stunning combination of brass, chrome, and precision • Designed for woodworkers, metalworkers, engravers, and machinists • The most satisfying tool I’ve ever built ⸻ 🎬 Watch till the end to see the full mechanism in action — it’s a simple idea that works like magic. If you love precision tools, hand-crafted mechanisms, and DIY engineering, make sure to like, share, and subscribe for more unique builds! 🔴MY DIY TOOLS THAT I USED IN THIS PROJECT: 🔺6in1 Compass👉👉👉https://youtu.be/dp4Z4xgEgTM?si=dveXk8dXJouN9egr 🔺Rapid lock vise👉👉👉https://youtu.be/_m9sXRjHZI4?si=G0tu1Q01UrrgJSKC 🔺Third Hand Tool 👉👉👉https://youtu.be/2PN_GnQipho?si=-lTOP0fjc0KNWXVV 🔺Blow torch👉👉👉https://youtu.be/22iYqNd4Ojo?si=rg5QTtqxWJxNfjUU 🔺5in1 scriber👉👉👉https://youtu.be/zmD9A77OUPI?si=6yLQmt9ebOv4GDk6 🔺Try Square 👉👉👉https://youtu.be/JDF2gHnQPZY?si=7rsenyYpuIw8PauR 🔺Twisted Awl👉👉👉https://youtu.be/2MWNC-b6sT8?si=7hTiB46pt3S7ye9Q 🔺HAND SAW👉👉👉https://youtu.be/pmW-PT6wnKc?si=8ww65DJ1cey5WTut 🔺AWL👉👉👉https://youtu.be/2MWNC-b6sT8?si=k0TIWEbBKjxxYeYR 🔺Bow Saw👉👉👉https://youtu.be/ah0WKeSfrRI?si=RB2L37qAXAMcnpHh 🔺Sanding Block 👉👉👉https://youtu.be/xs7UlvXSxEI?si=bm6pk30KOYX4EqRT 🔺jewellers Saw👉👉👉https://youtu.be/fnf_0nhHSzs?si=25ZCEq0r4mRppUQE 🔺birdcage Awl👉👉👉https://youtu.be/nD7Yn8LELPM?si=Vy8bFdDMdUKUM1zK 🔺Turning Tool👉👉👉https://youtu.be/lYHo28uOn6Y?si=YjFo8rhowNX2HWPE 🔺DIY chisel👉👉👉https://youtu.be/su8jDcEeXsg?si=_ERuM8ZBbB4fTcNl Chapters: 00:00 Making Front Body 03:05 Making Tip 03:15 Assembly 05:41 Spring Chamber 09:50 Rear Housing 13:04 Testing
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