Are Machine Screw Self Tapping? No, but Here’s Why

I remember staring at a pile of different screws after a particularly frustrating DIY attempt. My mission: hang a decent-sized mirror in my entryway. Sounds simple, right? Well, not when you grab the wrong fasteners. I’d seen boxes labeled “self-tapping” and figured they were the magic bullet for any material. Turns out, that’s a massive … Read more

Are Machine Screws One Size?

I remember staring at a wall of tiny metal bits in the hardware store, feeling completely overwhelmed. I needed a specific screw for a shelf bracket, and the options seemed endless. “Are machine screws one size?” I muttered to myself, probably sounding like a complete novice. The honest answer I’ve learned over years of screwing … Read more

Are M4 Screws 4mm?

I remember the first time I stared at a pile of tiny screws, completely bewildered. My project, a simple wooden birdhouse I’d promised my nephew, suddenly felt like rocket science. The instructions called for M4 screws, and my brain immediately went, “Okay, so they’re 4mm wide, right?” That’s the intuitive leap most of us make. … Read more

Are Lag Screws Strong? My Real-World Take

I remember the first time I tried to hang a heavy workbench in my garage. I had a pile of hardware, and among them were these beefy-looking screws with hex heads. “Lag screws,” the packaging proudly proclaimed. I figured they’d be overkill, but hey, better safe than sorry, right? I drove them in, expecting a … Read more

Are Machine Screws Stainless Steel?

I remember staring at a pile of screws I’d bought online, all shiny and supposedly “rust-proof.” A week later, my brand-new workbench had rust spots blooming around every fastener. It was infuriating. You want to trust that when you buy something labeled for outdoor use, or just for any decent project, it’s going to hold … Read more

Are Machine Screws Heat Resistant?

I remember a job a few years back, trying to rig up a makeshift heat shield for a small engine on a project that was running way hotter than it should have. I grabbed a handful of what I thought were decent machine screws from my miscellaneous bin, figuring metal is metal, right? Wrong. By … Read more

Are M2 Screws Usually Fully Threaded?

I remember the first time I tried to build a tiny drone. The kit came with these minuscule screws, and I spent half a day squinting, trying to get them to bite. Most of them were M2, and honestly, I was baffled. Were they supposed to be like that? Are m2 screws usually fully threaded? … Read more

Are M3 and 4 40 Screws Interchangeable

I’ve seen it a hundred times: some poor soul, deep into a project, sweating over a stripped screw head or a bolt that just won’t bite. They reach for a drawer, pull out what looks like the right size, and spend the next hour cursing under their breath. It’s usually because they’re trying to mix … Read more

Are Machine Screws Graded?

I remember staring at a wall of tiny screws at the hardware store, totally overwhelmed. They all looked the same, right? Wrong. I bought a box of what I thought were decent machine screws for a furniture repair, only to have them strip out halfway through tightening. Turns out, not all machine screws are created … Read more

Are Lag Screws Ungraded? Let’s Get Real

I remember staring at a pile of what felt like a thousand identical metal things in the hardware store aisle, trying to figure out which ones were actually going to hold that heavy timber beam in my workshop. The packaging all looked the same, the prices weren’t wildly different, and the guy behind the counter … Read more

Are Machine Screws Metric?

I remember the first time I tried to swap out a busted knob on an old cabinet. Grabbed a handful of screws from my junk drawer, picked what looked right, and spent a solid 20 minutes wrestling with it. It wouldn’t catch, wouldn’t turn, just felt… wrong. Turns out, I was trying to force a … Read more

Are Lag Screws Good for Wood?

I remember staring at a pile of lumber, a massive deck project looming, and a toolbox full of fasteners. I’d heard the gospel of lag screws – strong, reliable, the go-to for anything serious. So I bought a whole whack of them, picturing a smooth build. Boy, was I wrong. That first attempt to drive … Read more

Are M2 Screws Fully Threaded Standard?

I remember the first time I needed tiny M2 screws for a drone repair. I grabbed a pack, figuring all screws were pretty much the same. Boy, was I wrong. That little project turned into a week-long headache because I didn’t know the first thing about screw threads, let alone whether are m2 screws fully … Read more

Are M2 Screws Fully Threaded?

I’ve spent way too much time fiddling with tiny screws. You know the feeling: you’ve got this delicate project, maybe a drone repair or a miniature model, and you need the absolute smallest fasteners. Then you grab a box of M2 screws and start trying to thread them, only to find they seem to have … Read more

Are Machine Screws Always Metric?

I remember the first time I tried to assemble a flat-pack cabinet. The instructions were clear enough, but the little bag of screws? Chaos. Some looked familiar, others… not so much. I spent an embarrassing amount of time trying to force one into a hole that was clearly meant for something else, all while the … Read more

Are Lag Screws for Concrete?

I remember the first time I tried to hang a heavy workbench onto a cinder block wall. I grabbed what I thought were the biggest, baddest screws I could find – a handful of beefy lag screws I’d used for framing wood in the past. An hour later, after drilling pilot holes the size of … Read more