What is the two types of screwdrivers?
Screwdriver tips are available in a wide variety of types and sizes (List of screw drives). The two most common are the simple ‘blade’-type for slotted screws, and Phillips, generically called “cross-recess”, “cross-head”, or “cross-point”.
Why are there 2 types of screwdrivers?
The reason for the different styles is cost and torque. Phillips screws are self-centering, making powered screwdrivers possible. They’re somewhat more expensive to produce than slotted-head. They tend to ‘cam-out’ easily under torque, making it hard to apply much torque.
Is Triple square the same as 12 point?
It’s the angle of all the “points” that differentiates 12 pt vs triple square. A triple square is, as the name suggests, 3 squares overlaid so each “point” has the 90* angle of the corner of a square. The “12pt” is 2 hex shapes overlaid so each “point” is the 60* corner of a hex.
What are star screws called?
Torx
What is a ratchet driver?
A ratchet screwdriver has a mechanism that permits the tool to apply turning force only in one direction, while moving freely in the opposite. So it can be set to drive or remove screws, without having to move the bit in and out of the screw head at the end of each turn.
Why is it called Phillips screwdriver?
It’s a common misconception that the Phillips screwdriver was named after its inventor. But the truth is that the screwdriver is really named after Henry F. Phillips, the owner of the company which purchased the design from its inventor John P. Thompson.
What’s the difference between POZI and Phillips screwdriver?
Phillips screw heads are designed so that the Phillips screwdriver will cam-out (slip) if too much torque (power) is applied. Pozidriv screws, on the other hand, are designed specifically so that the screwdriver head does not cam-out. Phillips screwdrivers fit in Pozidriv screws, and can turn them.
Are JIS screws still used?
Nowadays, hex-head fasteners have replaced JIS screws in most applications, but you’ll still find them on vintage bikes and the occasional modern machine. If you’re tired of butchering screws, you can always pick up the correct tool from Motion Pro.
Where are JIS screws used?
While Phillips screws are the most common, there are other types of screws used in the manufacturing of products, including JIS. An initialism for Japanese Industrial Standard, JIS screws are commonly used in electronics, as well as other products, that are manufactured in Japan.