Standard Flat Blade Screwdriver Sizes

Most of the common screwdriver types such as flat blade and cross recess have an extremely wide range of applications.

Standard flat blade screwdriver sizes.

The length of the shaft and the width of the head. The most common sizes are 2 and 1 2 for standard screw sizes 1 for miniature. You can often use a slotted screwdriver to work heads with a slightly bigger slot or even phillips or other cruciform style heads in a pinch. Flat head screwdriver sizes commonly referred to as a slotted screwdriver these have the wedge shaped blade that any child immediately recognizes.

The slots in flat head screws don t just require a wider tip as the size of the screw increases it also needs to be. There are flat head screwdrivers in many sizes so choose the one in your toolbox which most closely matches the job you need to do with it meaning the one whose blade best fits the screw slot. Some screwdrivers are designed particularly for portable device repairing cell phones smartphones mp3 players etc. The point is before you go all bruce willis on a screw make sure the screwdriver head fits snugly.

For screws with one straight diametral slot cut across the head standard screwdrivers with flat blade tips and in a variety of sizes are used. Additionally it is unique compared to other common drives due to it being straightforward to manufacture the slot head and. Then there are the jeweler size screws. Standard 22 show more tip size.

Correct use as a screwdriver. With slot head screwdrivers it s even simpler the blades are measured in fractions of an inch. 1 4 5 1 8 1 3 16 6 ph2 1 t15 2 t20. The tool used to drive a slotted screw head is called a standard common blade flat blade slot head straight flat flat tip or flat head screwdriver.

Two measurements are noted for each screwdriver. Flathead screwdrivers range in size from mere millimeters up to bigger fractions of an inch. However the less common types are more or less typical for a certain field. Slot screw drives have a single horizontal indentation the slot in the fastener head and is driven by a common blade or flat bladed screwdriver this form was the first type of screw drive to be developed and for centuries it was the simplest and cheapest to make.

Special screws with cross shaped slots in their heads require a special screwdriver with a blade tip that fits the slots. This last usage can be confusing because the term flat head also describes a screw with a flat top designed to install in a countersunk hole.