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The Phillips head screwdriver was created and patented by Henry Phillips in the 1930s and was originally used on the 1936 Cadillac. The great thing about it is that unlike the flat head screw (with a single ridge at its tip to slide into a screw with one slot), the Phillips screwdriver is self-centering. Its “X” design won’t slip out of the X-slotted screw. Instead, it grips the screw firmly in the center, provided it’s the suitable size for the screw.
A Phillips screwdriver has a head with pointed edges in the shape of a cross, which fit neatly into the cross slots of a Phillips screw. You can buy a Phillips screwdriver in five different sizes, ranging from zero to four, with four being the largest. If you like to build things yourself, you’ll probably need a few Phillips screwdrivers in various sizes, and having a cordless electric Phillips screwdriver in your tool set can really come in handy. Phillips screw heads allow a tighter fit than a flat head screw, which is why most factories and handymen use them. The screws tend to be lightweight and relatively small.
The hex socket screw drive has a hexagonal recess and may be driven by a hex wrench, also known as an Allen wrench, Allen key, hex key, or inbus as well as by a hex screwdriver (also known as a hex driver) or bit.
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. 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. Furthermore, the term implies that a screwdriver has a “head”; it does not. Such a flat-headed screw may have a slotted, cross, square recessed, or combination head. Before the development of the newer bit types, the flat-blade was called the “Common-Blade”, because it was the most common one. Depending on the application, the name of this screwdriver may differ. Within the automotive/heavy electric industries, it is known as a “flat head screwdriver”;within the avionics and mining industries, it is known as a “standard screwdriver”. Though there are many names, the original device from 1908 was known as a “flat-head screw turner”
What are insulated tools?
Insulated tools are designed to protect you against injury in the event that you make contact with an energized source. Every insulated tool must be marked with the year it was insulated and an official 1,000-volt rating symbol, which ensures you will be protected for live use up to 1,000 VAC or 1,500 VDC.
They shall comply with the international standard IEC EN 60900
They are identified by the mark : 1000V (double triangle) IEC EN 60900 with the name of the manufacturer, tool reference and the year of manufacture. As a UK manufacturer, Boddingtons additionally include the batch number to give a customer full audit trial.
There are strict international standards that apply to insulated tools and can be identified by the double triangle symbol that is engraved onto every tool.
Why should I use insulated tools?
Insulated tools are important when conducting any work that needs to be completed “hot” or on a live circuit. Insulated tools offer significant protection for situations where it may not always be possible to disconnect the circuit, for example when working on a railway line that needs to remain active.
They’re also very useful for unexpected situations when you may not be aware that you are working on a live circuit. Without insulated tools to hand, you could be risking serious injury, liability or even death.