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Construction Tools

This category includes the humble hammer and pliers as well as the more modern equivalents such as nail guns, power saws, and precision laser levels. Tools that a professional construction worker as well as the weekend handy man has are discussed in this category.

2,173 Questions

Are there drills that drill square holes?

Yes, they are generally based on Reuleaux triangle shape, which is mounted eccentrically so points on its contour track a square shape when rotated.


Another way to "drill" a square hole is with a mortising bit. A mortising bit is composed of a regular round drill bit inscribed within a hollowed square chisel. Most of the material is removed by the drill bit while the corners are squared-off by the chisel.

What is Henry's Hammer?

There used to be a famous British boxer, Henry Cooper, his left hand was "Henry's Hammer" as many opponents including Muhammed Ali found to their cost.

How do you measure a chain saw blade?

MEASURE FROM THE CASE WHERE THE BAR COMES OUT TO THE END OF THE BAR MOST ARE IN TWO INCH INCREMENTS 16 18 20

What is the history of the table saw?

hoaleboi7@aol.com

Per Wikipedia.org, the book "Woodworking Machinery, Its Rise, Progress and Construction 1800-1880" claims that the first recorded patent for the circular saw was in 1777 to an Englishman, Samuel Miller. However Miller references a circular saw created in Holland in the 16th or 17th century as an inspiration for his work.

Based on this, most believe the concept of using a circular saw blade to cut wood that was pushed into, and towards it, probably developed sometime in the late 1700s or early 1800s. Note, this was obviously before electricity, thus, these early saws, which were the forerunners to table saws, used human power, via foot pedals, or water power to drive the saw blades. This is why many early saw mills were built along rivers to capture water to power a water wheel and saw blade.

What are the advantages of a hammer?

Hammers are used to pound nails into an object, pull nails out of objects, and for other uses when hitting or pounding is necessary.

There are dozens of types of hammers with many different purposes. The uneducated may think they are only for pounding nails, but there are many other uses.

What is flat chisel used for?

The flat chisel is a popular woodworking tool, for cutting and shaping wood

What is the definition of chain block?

A chain block is a device where a chain runs through an overhead steel pulley block and can be used to lift things and be locked into place. A very useful tool .

Do you have Volvo dealers in KSA for construction equipments?

Most probably yes. I have known of Komatsu operating through a large local distributor. I am sure even Volvo would have some similar way of operation. All of these leading construction equipment dealers are 100% representatives of their principals. They have strong supply chain network and excellent back office support.

What is the hardest drill bit?

Diamond by nature is the hardest material, therefore Diamond bits are the "hardest." They are only for ceramics though, for drilling in metal, you would use a cobalt, or carbide drill bit.

Are Benchmark rasps generally better quality than Nicholson rasps?

That's an 'opinion thing', like "are Chevy's better than Fords" , but I honestly believe Nicholson files and rasps in general are VERY good products and I consider Benchmark average.

When was the first gun made?

I believe that it was made in china, but I'm not sure when. The gunpowder that they recently made was put into a bamboo pipe, stuffed with rocks on the top, and lit from the bottom. They called it: The Boomstick

What color drill bits drill through metal Gold or black?

Both will. Carbide tips will last longer but the black ones will also. The key is to run the drill slowly and use oil.

Can you use 30 weight oil in an electric chain saw in freezing temperatures?

You cannot use any type of "engine oil" on a chainsaw bar. Even though the oil itself is quite adequate, manufacturers put a tackifier into the oil so it doesn't fly off the chain when in motion. The temperature outside is irrelevant, in this case.

How to Fire block walls?

First, lets qualify the term "Fire Blocking" vs. "Draft Stopping" Fire blocking is a term commonly used to describe the blocking used at the mid span of a wood framed area to inhibit the advance of fire within a concealed space, thereby maintaining the structural integrity of the building during a fire. It is described in the building codes (IRC/IBC) as follows: FIREBLOCKING. Building materials installed to resist the free passage of flame to other areas of the building through concealed spaces. Fireblocking is seldom required in residential construction any more (there are some exceptions), however there is a process called "Draft Stopping" that is common in all wood framing and used extensively in residential construction. Fireblocking is most commonly seen in fire rated assemblies (walls, floors and ceilings). It should be made of noncombustible materials or a rated assembly that incorporates combustible materials (rated assemblies have been tested and are built to very strict standards). There are some applications that allow standard dimensional lumber (such as 2x4's) to be used. Check with your specifications or code requirements in your area for clarification. Most can be placed using standard forms of attachment, such as nails, screws or staples, and some require special attachment processes. If special attachment is required, it will usually be spelled out in the design specifications (see you plans and details or assembly specifications). Draft stopping is described in the building codes (IRC/IBC) as follows: DRAFTSTOP. A material, device or construction installed to restrict the movement of air within open spaces of concealed areas of building components such as crawl spaces, floor/ceiling assemblies, roof/ceiling assemblies and attics. Draft stopping is required to be located in areas where a transition from horizontal to vertical or vertical to horizontal occurs. It is also required in spaces over a prescribed volume or square footage to limit how much air is available to feed a fire. The intent is to starve the fire of oxygen before it can grow to a point that it can cause severe damage to the building or structure. As draft stopping is used to limit air and not stop fire it can be build of almost any material approved by the building codes. We commonly use sheet metal, wood framing members, insulation or expanding foam for draft stopping. In Conclusion, it would be wise to determine what you are doing and which process you are required to use. Then, call your local building inspectors office or design professional of record and get approval for the application. Hope this helps! Terry

What is a sensitive drilling machine?

A sensitive drilling machine is an upright drilling machine. However, a radial drilling machine is also considered a sensitive drilling machine.