What is a Phillips head bit?
Phillips patented the cruciform Phillips-head screw and driver in the 1930s. Originally designed for assembly-line work, the Phillips bit was intended to slip or cam out of its recess when excessive torque was applied, preventing unskilled laborers and machines from overtightening fasteners.
What is a Phillips head drill bit used for?
PH2 Phillips head drill bits, used for fastening screws on display, radio, furniture and so on.
What are the different size Phillips bits?
While screw size is shrouded in mystery, there are four basic sizes of Phillips screwdriver — from #0 to #4 — #0 being the smallest. The most common sizes are #2 and #1, #2 for standard screw sizes, #1 for “miniature”. Then there are the jeweler-size screws.
What size drill bit for Phillips screw?
Description of PHILLIPS Screwdriver Bits Model: size is 3# bit.
What is the most common Phillips screwdriver size?
The most common Phillips size is #2. Not very common, but when you need one, you need one. Same shape and sizing as Phillips, but the screw includes a tamper-resistant pin in the middle.
How do I choose a Phillips head screwdriver?
PH0 – (Phillips #0) A medium Phillips bit. PH000 – (Phillips #000) A small Phillips bit. Choose the bit size that fills the screw head entirely. A bit that is too big or too small will not seat properly, and you’ll end up with a stripped screw.
What does a Phillips-head screwdriver look like?
Phillips. A Phillips screwdriver has a head with pointed edges in the shape of a cross, which fits neatly into the cross slots of a Phillips screw. Phillips screwdrivers are available in five different sizes, from zero to four.
Why is it called a Phillips-head screwdriver?
Henry Frank Phillips (June 4, 1889 – April 13, 1958) was an American businessman from Portland, Oregon. The Phillips-head (“crosshead”) screw and screwdriver are named after him.
What is the difference between a Phillips screw and screwdriver?
At first glance, the main difference between a flathead screwdriver, or more properly called a slotted or flat blade screwdriver, and a Phillips screwdriver should be patently obvious. A flathead has a single blade, and a Phillips has two blades in the shape of a cross.