What is a square bit?
Square bits are often called "square recessed" bits (because of their tapered, "recessed" nose) and "Robertson" bits (for the name of their first developer). With such a different approach to driving system design, square bits offer unique advantages and are increasingly appreciated by tool users.
What are square recessed bits called?
Square Bits Square bits are often called "square recessed" bits (because of their tapered, "recessed" nose) and "Robertson" bits (for the name of their first developer). With such a different approach to driving system design, square bits offer unique advantages and are increasingly appreciated by tool users.
What is a square screwdriver bit used for?
Square Bits Strong and durable, these multipurpose bits are for use with bit screwdrivers. They're designed for screws with a square recess in the head and are also known as Robertson bits. Square Bits for Impact Drivers
What is a star shaped drill bit?
These bits are shaped like a 12-pointed star. They're also known as XZN bits. Assortments contain bits with multiple drive styles. Also known as Robertson bits these are designed for screws with a square recess in the head. Attach these adapters to square-drive tools.
What are square driver bits?
Square driver bits are commonly used for deck screws, though their popularity has been somewhat replaced in recent years with the Torx head screw. Square bits come in #1, #2, and #3.
What uses a square bit?
Square drive bits, sometimes referred to as Robertson bits, find their home in a variety of places. The leading place might just be electrical boxes and panels where they seem almost ubiquitous. Some manufacturers of deck screws also use this style of drive—particularly with stainless steel wood screws.
What are the square bit sizes?
Square head bits, Size: SQ1, SQ2, SQ2. 5, SQ2.
What are hex bits called?
Allen Screwdriver BitsHex Head or Allen Screwdriver Bits Hex head bits or Allen bits have 6 flat sides and the screws or bolts that go with them are very common. You're probably already familiar with these thanks to the hex keys—AKA Allen wrenches—that come with your Ikea furniture.
What are screws with a square hole called?
What is a Robertson Screw or Robertson Head Screw? Most of us call Robertson screws “square drive” or “socket head” screws. They were invented by Canadian traveling salesman Peter Robertson around 1906.
What does a hex bit look like?
Hex keys are formed from a single piece of hard steel hexagonal rod having blunt ends that fit snugly into similarly-shaped screw sockets. The rods are bent to 90º, forming two arms of unequal length resembling an "L".
What is a square recess bit?
Square Recess Impact Power Bits Features: These power bits are designed with precision tip geometry so they fit fasteners more precisely, which reduces stripping and cam-out.
Are Robertson and square drive the same?
Although the terms "square drive" and "Robertson" are often treated as the same in catalogs, the difference (as I understand it) is that Robertson tools and screws have a slight taper to the square recess and the square drive ones do not. Most online sources claim that the tapered design is superior.
What size is square drive?
#2 Square Drive Bit, 1 inch Long, 1/4 inch Hex Drive, Hardended Steel, Recessed Point Driver Bit. Guaranteed Quality and Performance.
What is a square Allen key called?
That's called a "Robertson" bit. I don't know that they make them as separate wrenches, but they usually make them as bits in different sizes to go into screwdrivers or drills. Hope that helps.
What is a triple square bit used for?
1:382:28BIG differences between (triple square) (star) bits and (hex) bits - YouTubeYouTubeStart of suggested clipEnd of suggested clipBit or the allen keys. And that fits it looks like it fits really nicely. Until you strip it out andMoreBit or the allen keys. And that fits it looks like it fits really nicely. Until you strip it out and round out all the corners.
What is Phillips bit?
0:000:55What's the Difference in #2 & #2 Reduced Phillips Bits? - YouTubeYouTubeStart of suggested clipEnd of suggested clipBecause although they have a number two Phillips head they are slightly smaller in diameter. This.MoreBecause although they have a number two Phillips head they are slightly smaller in diameter. This. Allows the bit to fit deeper into the screw head and give a more positive lock on the fastener.
What are Robertson bits?
Strong and durable, these multipurpose bits are for use with bit screwdrivers. They're designed for screws with a square recess in the head and are also known as Robertson bits.
Can you use a Phillips bit to turn a screw?
While screws with a square/Phillips combination drive can be turned with either a square or Phillips bit, these make the best contact so you can apply high torque without slipping and stripping the recess. They are also known as Quadrex bits.
What are square bits?
Square Bits. Square bits are often called "square recessed" bits (because of their tapered, "recessed" nose) and "Robertson" bits (for the name of their first developer). With such a different approach to driving system design, square bits offer unique advantages and are increasingly appreciated by tool users.
What is a six sided hex bit?
They are still commonly used in machinery fastening. Hex bits are sized by their diameter measurements in either the English standard or metric systems. Hex bit sizes should match fastener sizes exactly.
What is the most important decision when shopping for screwdriver bits?
Choosing drive type is the most important decision when shopping for screwdriver bits. If a bit is being purchased for specific fastener, then the drive type of the bit is obviously determined already. But if you can choose drive type first, there are some things to consider about drive designs to match them to your application.
Why are insert bits good?
The snap ring notch on the bodies of insert bits helps them hold firmly in bit holders. Because of their low cost , insert bits are an especially good choice for drive systems that tend to wear bits down through frequent cam-out, or any application where bits are expected to wear through frequent, heavy use.
What is a power bit?
A power bit's power groove is shaped for use in quick change adapters and chucks. Quick change chucks are increasingly popular and standard to many impact drivers/wrenches. Metal balls inside a quick change chuck engage a power bit's power groove when the bit is installed.
What is a slot drive?
Slot Bits. The "slot" or "slotted" drive system is one of the oldest fastening systems, and it is the most simple. Cam-out is much more likely with drive systems that have fewer points of contact between the bit and the fastener, like the slot system.
What are insert bits?
Insert Bits. Insert bits have an extremely short shank, cost the least out of all screwdriver bits, and are designed to clip into a magnetic bit holder. Power Bits. Power bits are designed to fit straight into a drill’s chuck, but as they are of longer length, replacement costs are a little higher. Double Ended Bits.
What size are Torx bits?
Sizes range from T1 through to T20. Tamperproof Torx Bits. Tamperproof Torx Bits are a variant on standard torx bits. Instead of being solid, they have a hole in their centre to accommodate security screws, and to prevent the use of standard torx bits.
Why do all screws rotate?
All screws have a head with a contour such that an appropriate screwdriver tip can be engaged in it in such a way that the application of sufficient torque to the screwdriver will cause the screw to rotate.
What is the shank of a screwdriver?
All screwdriver bits have what is known as a ¼” hex shank, and are able to fit into any drill with either a keyed, keyless, or ¼” (6.35mm) hex drive chuck. There are three styles of screwdriver bits available. Insert bits have an extremely short shank, cost the least out of all screwdriver bits, and are designed to clip into a magnetic bit holder.
What is a double ended bit?
Double Ended Bits. Double ended bits feature a screwdriver bit on either end (either the same or different types). They can potentially give the screwdriver bit double the life of either an insert bit or a power bit at much less than double the cost.
What size sockets are available?
In order to fit most size sockets, they are available in the main three drive sizes – 1 / 4 ”, 3 / 8 “, and 1 / 2 ” . Manufacturer’s warranties do not cover the misuse or abuse of sockets, and if your socket fractures as a result of use in a power tool, it is considered misuse.
What are nutsetters?
Nutsetters. Nutsetters are similar to a hex bit, except they fit over their corresponding screws (in this case, tek-screws), rather than into them. They come in three main sizes – 1 / 4 ”, 5 / 16 ”, and 3 / 8 ”. Sometimes these sizes will be slightly small for the screw at hand.
What are Drill Bits Used For?
Drill bits are designed to drill holes in a variety of different common materials. These include different types of wood, metal, plastic, ceramic tile, porcelain and concrete. Drill bits made for steel, aluminum, copper, cast iron, sheet metal, fiberglass, brick, vinyl flooring and more are also available.
Drill Bit Construction
When it comes to drills, there are two easily identifiable parts you need to know about - the shank and the chuck. Here's a little information to help you understand more about how drills and drill bits work:
Twist Drill Bit
Twist drill bits can be used on light metal, wood, plastic, metal, ceramic and masonry.
Screwdriver Drill Bit
Screwdriver drill bits can be used with many materials depending on tip type.
Coring Drill Bit
Coring drill bits can be used with masonry, brick, wet concrete, concrete, concrete blocks and more depending on tip type.
Specialty Drill Bits & Accessories
Among the various wood drill bits , glass drill bits and concrete drill bits, there are other options and accessories for more specialized tasks:
Materials and Finishes
Drill bits are often classified by the materials from which they are manufactured and the coatings applied to them.
How many squares are there in a triple square?
The triple-square, also known as XZN, is a type of screw drive with 12 equally spaced protrusions, each ending in a 90° internal angle. The name derives from overlaying three equal squares to form such a pattern with 12 right-angled protrusions (a 12-pointed star).
What tool is used to drive a slot?
The tool used to drive a slot is called a common blade, flat-blade, slot-head, flat-tip or flat-head / flathead screwdriver.
What is a cross screwdriver?
A cross or double-slot screw drive has two slots, oriented perpendicular to each other, in the fastener head; a slotted screwdriver is still used to drive just one of the slots. This type is usually found in cheaply-made roofing bolts and the like, where a thread of 5 mm (0.20 in) or above has a large flattened pan head.
Why are coin slots used?
Coin-slot drives are so-called because of the curved bottom of the recess, which facilitates driving them with a suitable coin. They are often used on items where the user is not likely to have a screwdriver when needed, such as recessed screws that attach cameras to tripod adapters, and battery compartments in some equipment such as children's toys.
What is a slotted screw?
The slotted screw is commonly found in existing products and installations, along with use in simple carpentry work and in applications where minimal torque is needed . Slot screws are also used in the restoration of antique furniture, vehicles, and equipment.
How many points does a double square drive have?
The double-square drive is two squares superimposed at 45° rotation, forming an 8- pointed star. The design is similar to a square drive (Robertson), but can be engaged at more frequent angles by the driver bit.
When was the first screw holding screw made?
At least one mechanical method of temporarily holding a slotted screw to a matching screwdriver is available, the Quick-Wedge screw-holding screwdriver, first manufactured by the Kedman Company in the 1950s. Dzus fasteners, which have a cam-lock body instead of a threaded body, use a slot drive.
What is countersinking bit?
With the use of a countersinking bit, you can create both a pilot hold and the proper angle needed to house your screw. The process pre-drills your hole with the correct head angle to help create a professional-looking finish for your project. Some screwheads require countersinking because of their shape and angle.
What is a 2 hole screw?
They have a flat head with two small holes that require a special tool to install and remove them.
How to tell if a screw needs countersunk?
It’s important to pay attention to whether the screws need to be countersunk or not. You can always find this out by looking at the head. A screwhead that requires countersinking will have an angular shape underneath the head, while a screw that doesn’t need countersinking will be flat under the head.
What is a screwhead drive?
The drive of a screwhead refers to the type of tool you’ll need to install the screw. You’ll notice several different shapes on screws, in addition to their type of head, that will require a special type of screwdriver to work with the screw. The drive is directly related to how the screw attaches to a surface.
What is a slotted head screw?
Slotted. Source: Amazon. Slotted head screws are what most people refer to as flathead screws, because they have one narrow opening for a flat screwdriver. Although this type of screw is one of the most common and inexpensive types, it’s also the most prone to stripping.
What is the angle of a flat head screw?
Flat head screws have varying degrees. The degree of a flat head refers to its had angle or the angle from the top of the head to the surface where the threaded part meets the head. An 82-degree flat head is the standard angle, but there are also 90-degrees, 100-degrees, and more.
What are short binding screws?
Often, short binding screws can hold together large manuals and other bookbinding projects, but you can also use them to hold together swatches, leather, and more. 2. Domed. Source: Amazon.