Contractors often use hex washer head screws in metal-to-metal and wood-to-metal applications due to their durability and security. You can use them for fastening sheet metal and light steel, as well as for light metal framing.
What is a hex head screw used for?
Hex bolts, or hex cap screws, are large bolts with a six-sided head (hexagonal!) used to fasten wood to wood, or metal to wood.
What is a hex washer head screw?
Hex washer head self drilling screws have a hex head designed to be driven by a wrench or socket. These screws tap their own holes using their self drilling (TEK) point to pierce through 20 to 14 gauge metals. Their threads also cut into the material for better retention, particularly in wood.
What are washer head screws used for?
Depending on the thread drive pitch and hex washer head screw dimension, they can be used for metal-to-metal fastening, metal and light steel framing, sheet metal and medium steel fastening, heavier gauge metal fastening applications, and solar panel installation.
When would you use a hex screw?
Hex bolts can be used for infrastructure that requires a strong fastener with high tensile strength properties due to their design and base materials. As mentioned, they can also be used in tight spaces with limited access because tools can access them from all angles due to the six points of contact on the hex head.
What are the 3 types of screws?
3 Common Screw Types at a Glance – Machine, Sheet Metal, and Cap Screws.
How do you remove a hex screw without a screwdriver?
By adding a couple of nuts to the threaded end and locking them tightly together, you can place the head of the bolt into the head of the hex bolt and then use a spanner on the nut or grips on the threads to turn the bolt which in turn will spin the hex bolt.
What is a hex washer?
Hex Washer Head Sheet Metal Screws are also known as Self Piercing Screws, due to their sharp point. Hex Washer Head Screws feature a hexagonal head designed to be driven with a wrench or socket, and a built in integral washer to help seal the assembly below the screw head.
What are the different types of screw heads?
The two basic screw head types, countersunk and non-countersunk, include various unique designs.
The different screw drive types include:
- Phillips tamper-resistant.
- Hex external.
- Hex internal.
- Hex tamper-resistant.
- Square recess.
How do you use hex head screws?
Hex Cap Screws are NOT Hex Bolts
- Hex bolts are installed by turning a nut to tighten the fastener.
- Hex cap screws are installed into tapped holes by turning the head to assemble and tighten.
- Hex cap screws feature a washer face on the bearing surface and the chamfered point.
What is the point of flat head screws?
This screw is more commonly used with machinery, but you will usually find flat-head screws holding book shelf and lighting tracts to the wall or ceiling. They are also used in lighting fixtures and electrical outlets as well as holding hand rails, towel racks and toilet paper holders to the wall.
Why are there different types of machine screw heads?
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.
What can I use for a hex bolt?
Stainless steel is another popular choice for hex bolts thanks to its strong corrosion-resistant properties. Hex bolts made from stainless steel can be used in either internal or external applications, but zinc-plated steel is another common alternative well-suited to indoor uses.