This type of screwdriver bit works with slotted screws that have a cut through the top of the head. So let’s talk deeply about all screws found on a PC. Slotted or flat heat screwdrivers, one of the oldest types of screwdriver, started in the early 1800s. Screws using both thin- and thick-thread can be found using several different types of heads and several different lengths, and here is where most people get confused.
#What kind of screws for bcm94322mc apple Pc
To simplify, let’s call this thread as “thin thread” from now on, as it is thinner than the other types of thread used by PC screws. They are cut to accept a #1 Phillips screwdriver. It means the use of a 3-mm wire with a 0.5-mm thread pitch.
#What kind of screws for bcm94322mc apple iso
The third thread type found on screws used on the PC uses M3x0.5 standard, which is a standard set by ISO using the metric system. To simplify, let’s call this thread as “thick thread” from now on, as the third thread type is thinner than this one. They are cut to accept a #2 Phillips screwdriver. The second thread type found on screws used on the PC uses UNC (United National Coarse) 6-32 standard, which means a thread using a #6 wire (0.1380”-diameter wire) with 32 threads per inch (0.0313” pitch). This screw is usually 10-mm long and usually has a flat-head, like shown in Figure 3, and its head is cut to accept a #2 Phillips screwdriver.įigure 3: Screws used to fasten fans and ducts to the PC case. The Deck Store Online offers The Best Brands in the industry, including Screw Products, GRK, FastenMaster, CAMO, Timbertech, Big Timber, and many other brands of deck screws, giving you a wide array of options designed specifically for wood, composite, and other decking materials. That is the only use of this kind of screw in the whole PC, so it is pretty easy to identify this kind of screw. There's more than one way to go when you're choosing deck screws. The first thread type, shown on the left hand side from Figure 2, is a self-tapping screw used to fasten fans to the case (and also ventilation-related plastic parts like ducts, if your case has them). In Figure 2, you can see these three thread types.įigure 2: Types of thread found on PC screws. So we think the best way to classify the screws found on a PC is through their thread. The length and especially the shape of their head can vary a lot, but there are only three types of thread used on the PC.
The screws vary in three aspects: their thread, the shape of their head and their length. In this tutorial we will present a detailed explanation about all screws used on a PC and when to use each one of them, so by reading this tutorial you will enhance your PC assembling skills.įigure 1: So many different screw types are used on the PC.
Even seasoned technicians have trouble in telling what is the exact use of each screw that comes with the PC case. When you buy a case for assembling a new PC it comes with several screws and other small components.