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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
The drill size for self tapping screws is the size of the barrel. ie,the bit that forms the body of the screws inside the thread. If you are using 1/8 screws then the body would be about 3/32. If I'm doing an unfamiliar size, I always experiment with 2-3 for best size. -An easier way is to simply use 'drill tipped screws' -These are available at an drywall wholesaler.
A rip saw is used for cutting wood along the grain. It is a kind of handsaw-- it allows the user to manually cut (saw) the wood, when making furniture or doing other kinds of woodworking. Ripsaws have both a blade and a plastic or hardwood handle. A typical ripsaw is 26 inches long, and it has 5 teeth or points per inch.
Is there such a tool called a spinner tool?
You may be thinking of a spanner, which is what the English call the tool that Americans call a wrench.
Americans also have another tool called a 'spanner wrench'.
What are the uses of a hammer?
A hammer is an energy transfer system. It allows you to move mass (kinetic energy) towards an object with a view to moving it (nail) or breaking it (rocks etc.). Hammers can be designed as a hand tool, or in the case of hammers used in battles, a throwing weapon.
If a power saw is 12volts will a 400 watt inverter be sufficient?
No. The 12volts will not make a difference. The inverter converts the 12volts to 110/115volts. A 400watt inverter is not sufficient to run a power saw or any heavy power equipment like that. Laptops consume 20-50watts, while a coffee pot would consume more like 200-400watts. Your power equipment is a much heavier load, between 1000-4000watts depending on if it is a power saw or something larger. A basic 7 1/4 circular saw will use anywhere from 1000-2500 watts on starting and will draw a constant 800-1500 watts. Keep in mind it will draw more as you put it under load of cutting something, this will not run on a 400 watt inverter, let alone an 800 or 1000watt. You could however possibly run a power drill on that inverter, but otherwise no luck.
Which drill bit would you use to cut a 40 mm hole in concrete block?
A 40mm masonite drill bit could work using the right drill. But consider using a coring machine instead because its concrete.
The hammer is a tool used for driving nails or breaking objects by applying force to the striking surface. It is typically made of wood, metal, or plastic and has a handle for grip and a head for striking.
3mm drill bit equals how many inches?
3mm ~= .11815" closest equivalent drill bit-- 7/64" (slightly undersized @ .109")
When you use it to pull out a nail, the curved part becomes the fulcrum and the part on the back that you use to pull out the nail and the end you would use to pound the nail in are the two ends of the lever.
Where were wheelbarrows invented?
They can be traced back to ancient China. See the related link for more information.
There is archeological evidence that the ancient Greeks had wheelbarrows about 2400 years ago in 407 B.C. The Chinese are known to have wheelbarrows about 600 years later, around 210 A.D.
What is the difference between rotary drill and hammer drill?
The hammer drill vibrates in and out very fast to make masonry drilling much easier.
Rotary hammers are drills with a piston on the inside which is operated by the motor and gears. When the motor turns, it moves a gear, which then moves a rod. The rod hits a hammer mechanism which transfers the strike force into the rotary hammer bit. All of this happens very rapidly. Because there is a piston being struck, the force of the blow against the bit is much harder than that of a hammer drill.
Hammer drills have a motor that turns a splined gear type mechanism inside the tool. These splined gears are meshed together and hit against each other creating a vibrating action that is transferred to the drill chuck and bit. The hammering is rapid, but the force is only a fraction of that delivered by a rotary hammer.
The primary use for the rotary hammer is to drill holes (from 1/4" to 2" in diameter) in hard concrete using a solid bit. It's also used for light chipping.
The primary use for the hammer drill is to drill holes (from 3/16" to 7/8" in diameter) in masonry or brick. It's also used as a heavy-duty drill motor for standard drilling.
Typically, a hammer drill has a chuck and uses bits that have straight shanks. Most rotary hammers use bits that have either slots and grooves in the shank (SDS) or spline shanks. Also becoming popular is a slotted shank bit called the "SDS-Max" which is for larger hammers.
There is a major difference between a standard hammer drill and a rotary hammer drill. A standard hammer-drill uses 2 grooved plates that rotate opposite of each other; when they slip and the grooves connect, a bang is heard, "hammering" the chuck in and out, allowing a carbide bit to go through masonry materials. This method generates quite a bit of noise and often requires hearing protection. A rotary hammer is extremely more efficient than a regular hammer drill, because it drives a piston that compresses an air pocket, that, in turn, pounds the chuck with measurable impact energy. There really is no question which is better and faster. Rotary hammer drills do the same job in far less time, with less noise and with less effort. For many applications, like drilling into tough materials like aged concrete, a rotary hammer is the only tool to use.
Can you ever drill through micro lam?
Drilling through structural beams is strictly limited. You must have engineers approval.
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.
A wheelbarrow is a small hand-propelled vehicle, usually with just one wheel, designed to be pushed and guided by a single person using two handles to the rear or a sail may be used to guide the ancient wheelbarrow by wind.
It is designed to distribute the weight of its load between the wheel and the operator so enabling the convenient carriage of heavier and bulkier loads than would be possible were the weight carried entirely by the operator. As such it is a second-class lever. Traditional Chinese wheelbarrows, however, had a central wheel supporting the whole load. Use of wheelbarrows is common in theconstruction industry and in gardening. Typical capacity is approximately 170 litres (6 cubic feet) of material.
A two-wheel type is more stable on level ground, while the almost universal one-wheel type has better maneuverability in small spaces, on planks or when tilted ground would throw the load off balance. The use of one wheel also permits greater control of the deposition of the load on emptying.
From: http://en.wikipedia.org/wiki/Wheelbarrow
What is the life span of a 1968 Craftsman electric power saw?
if you can still find a repair shop that can clean and change out the brushes, etc, it should last a lifetime.
hope this helps!
ANS 2 - You can find assorted brushes and bearings at shops that re-build starters and alternators, and it's a fairly simple job for an average craftsman to replace them in most construction tools. -I've done many of mine including my oldest, a 1970 Skilsaw -still going strong, in almost daily use.
What is the formula to figure the amount of cement needed in yards?
There is 27 square ft. in a yard of concrete so you can break it down by square ft. If you are pouring a patio that is 20' X 30' X 4" thick Take 20 X30=600 then devide by 81 = 7.40 yrds. How did I get 81? It takes 3 slabs 12" X 12" to make 1 Square Ft. so 3 times 27 = 81
There are 27 CUBIC feet in a cubic yard.
Formula:
Cubic yards = (((Length x width) x thickness) x 1.1) / 27
All three dimensions--length, width and thickness--need to be in feet. To turn inches into feet:
Feet = (inches) / 12
You multiply by 1.1 to compensate for non-flat bottoms of areas where concrete is to be poured.
Now! If you're using bagged concrete, here's a fun and easy way to calculate the number of bags required:
First, calculate the cubic feet of the area. Just use the cubic yards formula, but don't divide by 27 at the end.
Next, divide the cubic feet of the project by the number of cubic feet in a bag of concrete mix. There are:
40 lb bag = 0.30 cf 60 lb bag = 0.45 cf 80 lb bag = 0.60 cf
So, if you are building a 6x10 dog pen and want a 3" slab (never, ever pour less than 2" slabs--anything thinner falls apart) you will do this:
6x10 slab - 60 square feet 3" thick - 15 cubic feet Add ten percent - 16.5 cubic feet If using 80-lb bags - about 28 bags
The amount of concrete you need for a job shocks most people...but that stuff isn't light.
Another way is LxWXH then divide by 324. This will work for any thickness of cement.
a mythical tool that has no info about it on the web
its a tool that you hit chickens with
I have a slide hammer set. This is basically a 24" bar with a heavy cylinder that slides either way on it and a number of different heads that can fit on one end. Slide hammers can be bought in good tool stores, particularly stores that specialise in auto-body and sheet metal work.
- Many people are simply too ignorant to realise this ISa real tool.
How do you drill a five sixteenth inch hole four inch depth flat bottom hole?
5/16 hole X 4 inch on a flat bottom hole: This will depend on the material, and tools available. Use a 1/8 bit, then 5/16. If you are not sure how deep the drill bit is in the hole, paint white out on the bit as your 4 inch mark so you can see it while the drill is spinning. If the material is metal, you will need coolant.
To get the flat bottom: it wood, put a flat ended bolt into the hole and hammer, it will flatten the hole, it metal, forget about it, the hole is quite flat, and a pain in the butt to change. :-)
Jethro Tull who was born in the year 1674 in Basildon, Berkshire invented a machine that is now called the grain drill. This machine helps in increasing harvest by planting in straight lines.
