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Sizes are indicated with numbers, always with bigger numbers representing larger sizes, though the meaning of the numbers can be confusing. But did you know that there are multiple sizes of these heads, as well as more than 10 different screw head shapes, ranging from stars to squares, triangles, and hexagons?īelow, I list the type of screw drive in bold, as well as their most common sizes. Virtually everyone knows the two most common types of screw drives: the centuries-old, minus-shaped “slot” or flat head, and the 80-year-old, plus-shaped Phillips (or more generally, cross-recess) head.
What kind of screws for bcm94322mc apple driver#
By the time you’re done reading this article, you’ll have a good sense of the world of security screws, and the reasons it’s handy to keep a kit around to open anything up…Ī Brief Primer On Screw Drives (Yes, Drives)Īs Wikipedia explains, a “ screw drive” is the part of the screw driver that actually turns the screw, fitting into a groove on the screw’s head and allowing torque (turning power) to be applied to remove the screw.
What kind of screws for bcm94322mc apple upgrade#
I’ve been using iFixit’s kit for so long and across so many great Mac upgrade projects that I consider it essential to my office if a Mac, hard drive, or other peripheral needs to be opened, the 54-Bit Driver Kit almost always can do it. But since most people have no idea what Pentalobe, Torx, Tri-Wing, Hex and other bits look like or are supposed to do, I’ve assembled this guide to explain them all, focusing on the ones used in Apple products. Despite initial frustration, however, the solution turned out to be simple: buy an inexpensive Pentalobe screwdriver, or alternately, a multi-bit screwdriver with tons of different bits, like iFixit’s 54-Bit Driver Kit. Apple actually started using tamper-resistant screws in its Macs years ago, but when it added Pentalobe screws to the iPhone 4, the media took notice, and there was a brief public flare-up (actual sample headline: “Apple iPhone 4 Uses ‘Evil,’ Tamper-Proof Screws”). Times have changed, and “security screws” have become increasingly common.
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And the only reason to have multiple Flat or Phillips head screwdrivers was to handle bigger or smaller screws. There was no concept - at least, for common consumer electronics - that average people shouldn’t be able to unscrew their gadgets and take them apart. Decades ago, every electronic device was sealed with one of two types of screws: a minus-shaped Flat/Slot head, or a plus-shaped Phillips head.