Factory Reconditioned Bosch 1661 Rt 8 Inch Battery

Take the hard work out of DO-IT-YOURSELF with a good drill.

It could be on of the most diverse and very utile tools you buy.

Proper drill will save time for the duration of your work and make easy drilling holes into metal, wood, concrete etc., as well as drive screws and bolts.

It is utile getting acquaint with a drill’s main feature before you buy, so you could choose the best one.

I. Types

1. Standard Drills
2. Hammer Drills
3. Screw Guns

II. Cordless drills

1. Cord or Cordless? Pros and Cons
2. The main features
3. Power and Battery

III. Drill Shapes

IV. Variable speed

V. Torque

VI. Other features to look out for

VII. Power rating

VIII. Hammer action

IX. Chuck type

TYPES

Standard Drills

Standard electric rotary drills designed for drilling metal and wood. This type of drill is commonly little and compact. Motor sizes range from around 500 watts. The lower wattage motors are ok for drilling little holes or minimal use, the more powerful motored machines will cope with more spectacular size holes and more general use. The chuck size is another thing to check, the littler drills have a chuck which will only receive drill bits up to 10mm diameter the more prominent chuck size is 13mm.

Hammer Drills

The hammer drill is similar to a general electric drill, with the exception that it is provided with a hammer action for drilling masonry. The hammer action may be engaged or disengaged as required.

The hammer action is cheap but delicate. It uses two cam plates to make the chuck accelerate towards the work. However because of the relative masses of the chuck+bit and the remainder of the drill the energy transfer is inefficient and will fail to penetrate harder materials and vibrates the operators hand. The cams wear quickly.

Compare this to a rotary/pneumatic hammer drill where just the bit is sped to the work. They have comparatively little vibration and penetrate most building materials. It feels as even though the work is sucking the bit inwards.

Large cam hammer drills, specially transverse motor, are crude in their action. The energy delivered in each stroke is highly variable. The for less drill will smash it is way through the work and vibrate the surroundings, this may cause a large total of collateral damage. A good SDS drill will gently pulverize the work material just in front of the bit and glide into the hole without any “fuss”.

However there is a big divergence in cost. In the UK distinctively £12-40 for a cam hammer and £100 up for a rotary/pneumatic. For light DIY use they are fine.

Screw Guns

These Electric Screwdrivers are made quintessentially for applying screws and hexagon headed Tek Screw to plasterboard and metal cladding. The drywall screws are designed rigorously for plasterboard fixing. The electric screwdriver uses a in particular designed chuck to self guide the quintessentially designed fixings that feature widely spaced threads to assure good grip. This is achieved by the distinctive collar on this type of electric screwdriver.

Some electric screwdrivers are competent to use Collated Screws which provides auto-loading of screws which are loaded into the tool on a strip which is then fed onto the bit.

Drill press

A drill press (also known as pedestal drill, pillar drill, or bench drill) is a fixed style of drill that may be mounted on a stand or bolted to the floor or workbench. A drill press comprises of a base, column (or pillar), table, spindle (or quill), and drill head, normally driven by an induction motor. The head has a set of handles (usually 3) radiating from a central hub that, when turned, move the spindle and chuck vertically, parallel to the axis of the column. The table may be adjusted vertically and is in general moved by a rack and pinion; however, a good deal of older models rely on the operator to lift and re-clamp the table in position. The table may also be offset from the spindle’s axis and in a heap of cases rotated to a position perpendicular to the column. The size of a drill press is distinctively measured in terms of swing. Swing is specified as twice the throat distance, which is the distance from the center of the spindle to the nearest edge of the pillar. For example, a 16-inch drill press will have an 8-inch throat distance.

A drill press has a number of vantages over a hand-held drill:

less venture is required to utilize the drill to the workpiece. The motion of the chuck and spindle is by a lever working on a rack and pinion, which gives the operator significant mechanical advantage.

the table allows a vise or clamp to position and lock the work in place making the operation secure.

the angle of the spindle is fixed in relation to the table, permitting holes to be drilled accurately and repetitively.

Speed modify is achieved by manually moving a belt all over a stepped pulley arrangement. Some drill presses add a third stepped pulley to increase the speed range. Modern drill presses can, however, use a variable-speed motor in conjunction with the stepped-pulley system; a few older drill presses, on the other hand, have a sort of traction-based without disturbance variable transmission for wide ranges of chuck speeds instead, which may be changed while the machine is running.

CORDLESS DRILLS

A cordless drill is a type of electric drill which uses rechargeable batteries. These drills are available with similar features to an AC mains-powered drill. They are available in the hammer drill configuration and most also have a clutch setting which allows them to be employed for driving screws.

For uninterrupted use, a worker will have one or more spare battery packs charging while drilling, so that he or she may speedily swap them, rather of having to wait assorted hours for the duration of recharges.

Early cordless drills started with interchangeable 7.2V battery packs, and over the years the battery voltage has been increased to 18V, and higher, permitting these tools to formulate as much torque as some mains-powered drills. The drawback of most current models is the use of nickel-cadmium (NiCd) batteries, which manufacture a memory effect or internal short circuits due to dendrite growth, gravely limiting their utile life, and posing a hazardous materials disposition problem. Drill makers are now introducing lithium ion batteries, most notably DEWALT.

The main vantages are lack of memory effect and very short charging time. Instead of charging a tool for an hour to get 20 minutes of use, 20 minutes of charge may run the tool for an hour. Lithium-ion batteries also have a neverending discharge rate. The power output remains uninterrupted until the battery is depleted, something that nickel-cadmium batteries likewise lack, and which makes the tool much more versatile. Lithium-ion batteries likewise hold a charge for a significantly longer time than nickel-cadmium batteries, when it comes to 2 years if not used, vs. around 4 months for a nickel-cadmium battery.

CORD OR CORDLESS. Pros and Cons

I. Corded Drills

1. Pack the most power
2. Most durable
3. Can handle mixing mud, boring holes, and drilling concrete
4. Usually unnecessary for most homeowners

II. Cordless Power Drills

1. Easily transported and used
2. Less power and run time restricted by battery life
3. Recharging may take various hours
4. Higher voltage means more power, but likewise more weight
5. Newer technology has bettered cordless drills; most are now strong sufficient for a lot of tasks antecedently out of their league

Cordless drill:

Corded drill:

THE MAIN FEATURES

Top 10 points to look for:

Speed-range switch, in general 2 ratios, both high and low, commonly chosen by altering mechanical gearing. High is for drilling apps whilst low range is reserved for driving screws. Look out for the widest range amid the two settings

Look for a dependable motor, a great deal of models have external brushes for easy altering – when the brushes wear down you may without apparent effort change them for new ones, a lot of bosch models have this feature ,it is only of use if you are uning your cordless drill on a daily basis.

Forward/reverse switch: This must be easy to operate with either your thumb or trigger finger – again this is a frequent feature but look for one which is easy to operate.

Hand grip: Texture and contoured, must support your grip, a good deal of Porter and Cable cordless drills have padded grips which you may choose to match your hand size – utile after an 8 hour shift.

Voltage: a higher voltage means more drilling power but it may also mean more weight – don’t buy a drill you won’t need, 12 volt drills are powerful sufficient for most DIY users, more prominent models just weigh more so think conservatively in regards to what you will be using the drill for.

Batteries: Two are better than one. New NiMH batteries tend to be better because they deliver more charge and last longer.

Trigger: Make sure your index finger fits around it comfortably when gripping the drill, Variable speed offers the greatest control.

Chuck jaws: The greatest or most complete or best possible chuck capacity on most drills is 3/8 inches. Although a lot of 14.4 and 18V drills may handle 1/2-inch-diameter bits, these have a 1/2inch chuck.

Keyless chuck: Virtually a standard fitting today, hand-turn it to open and close the chuck jaws. The keyless chuck may grip any screwdriver bit or drill bit securely.

Clutch: Setting the clutch gives you more outstanding control of the depth to which screws are driven.

POWER AND BATTERY

Batteries: A cordless drill is only as good as it is battery. Make sure the battery has sufficient run time to aid you power through all your tasks. For more demanding applications, look for a drill that comes with a second battery or buy an further and added one. Chargers may take various hours to to a complete degree recharge a battery, so bear that in mind when planning your work schedule. If you need a more immediate recharge, look for a “smart” charger. Smart chargers work quickly and ofttimes reduce charge as the battery becomes full to keep away from overcharging to extend the life of the battery. Look for nickel-metal-hydride (NiMH) and lithium-ion batteries, as they are somewhat littler and tend to have a longer run time.

Charge a second battery as you work to refrain from mid-job downtime

Smart chargers use fans to reduce heat and decrease recharging time

NiMH batteries are requiring little effort and less highrisk to dispose of than other types

First thing when you look at a good cordless drill will be Volts of the the battery pack. To simplify it – the more Volts your cordless drill has – the more immediate the motor spins – the more torque you will get. Unfortunately – the more volts your cordless drills have – the heavier they get (if you ever worked with a 18 Volt drill over a longer amount of time of time – you will recognise what I am talking about).

Similar crucial as the Volts of your battery are the Ampere. Measured in Ah (Ampere per hour) it gives you an idea of how long a battery will last. You may have a 12 Volts battery with 1.8 Ah and with 2.4 Ah. Obviously both batteries will have to give you the same power initially, but the 2.4 Ah will last 30% longer. Important if you use cordless drills for heavy obligation work.

Looking at Volts and Ampere, you must also understand the basic types of battery packs presently available on the market. The (older) Standard Nickel Cadmium (Ni-Cd) battery packs are for less but do not give you much Ah as the newer Nickel Metal Hydride (Ni-MH) battery packs. The Ni-MH packs likewise give you an further and added vantage in recharging, as the do not loose power after being recharged a good deal of a heap of times (no-memory effect). Nickel Metal Hydride (Ni-MH) battery packs are normally more expensive, but unquestionably worth it’s money.

As batteries changed bettered over the past years most makers offer a wide range of power packs. Finding the right Dewalt or Makita batteries may consequently once in a while be a bit of a challenge.

The higher the voltage, the more power (9.6-28V) and weight (3-10 lb) the drill will posess. Most household jobs will be fine with a 13.2 volt or 14.4 volt battery, but an 18 volt couldn’t hurt. Most 9.6V drills might be sufficient for home jobs, but may lack the necessitated torque you find in a 14.4V drill — which is commonly not significantly more in price. Go with at least a 14.4V. For tough jobs and doing masonry, a more powerful 24 or 28 volt battery is recommended.

Rechargeable drill batteries must last you with regards to five years, or roughly 500 charges, altho with frequent use you might need to replace it sooner. They may be pricey ($50-$80) so if your drill was only $100 or less, you might want to consider just buying a brand new drill. If you have a higher end drill, it’s in all likelihood more economical to buy a alternate battery.

DRILL SHAPES

Pistol Grip Drills

Are kept like a pistol.

Doesn’t that feel powerful?

T-Handle Drills

Are most popular.

Shaped like a T for best balance.

Right Angle Drills

Are barrel-less.

The bit extends from the base at a right angle.

TORQUE

Drill price reflects a number of features, including torque. Torque, which is measured in foot-pounds, is the drill’s greatest or most complete or best possible amount of turning force. Some drills have an adaptable clutch with dissimilar torque settings for dissimilar applications.

Common features you’ll want in a cordless or corded drill are electric brakes, which stops the drill chuck as soon as you release the trigger, and keyless chucks.

OTHER FEATURES TO LOOK OUT FOR

Keyless Chuck: The chuck holds the drill bit in place, and keyless chucks grant you to conveniently change bits without having to use a distinguished key to unlock and replace.

Auxiliary Handle: Drills with side handles provide more outstanding control and two-handed operation. These auxiliary handles rotate, enabling you to find the idealisti angle and position from which to work.

Multiple Clutch Settings: Cordless drills many times feature a clutch adjustment ring, which may have anyplace from two to twenty-four settings. Once you know the depth and torque necessitated on a queer surface, set the clutch consequently to ascertain consistent results and reduce the instance of wrist snap.

Electronic Brake: This feature causes the drill to stop without delay when you stop squeezing the trigger, preventing you from overdriving or stripping screws.

Variable Speed and Reversing: Many drills offer multiple speed settings, permitting you to choose the right one for the occupation at hand, and most have a reverse feature that allows you to remove screws and other fasteners.

Heat Shields and Cooling Fans: These features protect the drill from overheating, enabling longer, more effective periods of use.

Factory Reconditioned Bosch 1661 Rt 8 Inch Battery

14.4 Volt motor, 3,600 RPM 50 Bevel Capacity. One-handed rear depth adjustment allows precise depth of set cutting. Spindle lock for qucik blade changes. Durable steel footplate. Exclusive Bosch built power train ensures longer tool life. Ergonomic handle with soft grip. On tool blade wrench. Integrated dust collection port. Includes 2 Batteries, 1 Hour Charger, Rip Fence, 18 -Tooth Carbide Blade, Carrying Case. Weight = 23.0

Factory Reconditioned Bosch 1661 Rt 8 Inch Battery Image

Factory Reconditioned Bosch 1661 Rt 8 Inch Battery Image

Factory Reconditioned Bosch 1661 Rt 8 Inch Battery Pic

Factory Reconditioned Bosch 1661 Rt 8 Inch Battery Image

Most helpful client reviews

1 of 1 persons found the following review helpful.
Bosch Saw
By JAMES OCONNOR
Handy tool, a great deal of uses peculiarly in tight spaces and
when cutting trim work on a ladder.

0 of 0 persons found the following review helpful.
Cuts well, but watch the documentation
By Riledup
I screwed up the introductory time I used the saw. The owner’s manual written section on which side of the cutting guide notch to use for 90 degree vs beveled cuts is wrong. The illustration is correct.

Once I screwed up one cutting, I adjusted and it works very well. I don’t have a lot of need for this, but it’s nice to have it for the occasional cutting job. My Bosch jigsaw just didn’t track well on long cuts. I like the variable depth and it is well balanced.

See all 2 client reviews…