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SDS Drill Accessories

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Sds Drill Carbide Drill Bit


The SDS carbide tipped drill bit is a masonry bit that has been designed and manufactured for drilling in concrete. Compared to ordinary drill bits these carbide tips are much more durable because of the hardness of their heads. They are therefore tougher and more resistant to extreme loads. So as an accessory to your SDS drill these are a must if you are planning on any concrete drilling.

There are 2 main reasons for owning and using a SDS carbide tipped drill bit. The first is to drill required holes in concrete, brick or blocks in order to be able to install a concrete fastener. The other use being to drill holes in the same materials in order to form a path for electrical wiring or plumbing.


Working With A Carbide Bit


When using a carbide drill bit to drill in to a wall make sure that you support the weight of the SDS drill properly. If you fail to do this correctly, then some of the weight from the drill will pass on to the actual drill bit causing undue pressure on the flute of the bit which in turn could lead to the drill bit breaking in the hole.

Another important consideration to take in when drilling a hole with the carbide bit is to make sure that you do not drill the hole deeper than the actual drilling depth limits of the bit. If you do then the result will be an interruption in the dust removal and a very dramatic increase in heat on the carbide tip. This in turn may melt the brazing material which will allow the carbide plate to move. The result will be the bit failing to drill in to the concrete.


Increasing The Life Span of SDS Drill bits


Always check the carbide tip before drilling to see if it is still in good condition.


Check the connection in order to see if there is any excess wear and tear. By doing this you also prevent any drill bits from getting stuck in the chuck.


Always lubricate the connection end of the bit to allow the bit shank to slide properly in the chuck. It is a simple task and all you do is apply a smidgen of grease to the grooves of the shaft.


Always let the SDS drill do the work and do not try to force the issue. If your SDS drill is a quality unit this problem will not even need to be thought about. Just hold the drill level and apply pressure evenly. Job done.


Always store your sds drill bits in a secure safe place such as a metal tool box. This keeps them in good condition as well as preventing you from losing them.


SDS Drill Batteries


If the SDS drill you have is cordless then you will need batteries to power it. You can’t go far wrong with lithium batteries but as with all batteries there are issues and if you are working a lot with your SDS drill then you will require superior batteries.

The cordless SDS drill is a great piece of equipment to own especially if you work in the construction industry. You can practically go anywhere and drill anywhere with the SDS drill. The only limitations faced by you are the efficiencies of your battery. For the SDS drill the battery is usually around 36V and any less than that then the battery is very inefficient and not cost effective. The thing is the SDS drill faces tough jobs and because of this the batteries do drain very quickly and need recharging. One such way of dealing with this is to have 2 batteries or even 3 and a very good quality battery charger that charges at an extreme rate.

A little tip here to help with the battery draining issue with the SDS drill is to always use good drill bits from reputable manufacturers. If the drilling bit is strong, efficient and deals with all resistance easily with what it is entering then there will be less drain on the battery. Inferior drill bits make the drill work harder hence using up more battery power. Also make sure you have the correct drill bit for the material you are drilling in to or through. For example if it is steel you are drilling then you must only have the toughest of drill bits. If they become blunt then more torque is required and again the result is battery drain. If your SDS drill is good quality then you will have torque settings on it so set the torque rat properly.

There is no way of preventing a battery from running down. But you can at least prolong the use of one by following logical and simple procedures. But remember when you are going to be using the SDS drill always fully charge the battery the night before and never forget to take a spare battery along with you.


Sds Drill Bits


If you have an SDS drill of some variety it is an easy mistake to think that all sds drill bits will fit your particular model. But this is just not the case. Unfortunately not all sds drill bits are compatible. This is because different sds drills are equipped with different sized bit shanks. So the particular type of sds drill that you have will determine the drill bit that you buy. Unlike normal drills the sds drill has been designed to both hammer and rotate. Because of this, different chuck technology has been applied, hence different sized chucks.

Inserting a bit in to sds drill chuck is easy enough to do. Just push the bit in to the chuck and it will be held in place by the grooves that are in the bit. You do not need to tighten these bits as they are specially designed to exactly fit the chuck. It is nie on impossible for these drill bits to slip out of the chuck and they need to be released using a lock release mechanism. The grooves on the bit allow either rotating or hammer actions to take place. An open groove is for rotation action whilst a closed groove is for hammer action.


Types Of SDS Drill Bits


SDS Bits


These are the bits for the basic sds drill, but can also be used with SDS plus drills. These SDS bits will have only two grooves in them. The bit is inserted in to the chuck of the drill when you wish to use it. These SDS bits are all of the same standard size with the shank being 10 mm. When placed in to the chuck the shank is inserted 40 mm.


SDS Plus Bits


These plus bits are compatible with regular sds drills as well. They have 4 grooves. Two of the grooves are open for rotating and the other 2 grooves are closed for a hammering action. Now you may be thinking here that both the SDS bit and SDS plus bit fits both types of drill and what is the difference. The difference is that an SDS plus drill has more torque than a standard sds drill and really requires the bit with 4 grooves to do a better job. But it can still operate with the standard bit. It is identical in spec with a 10 mm shank that is inserted 40 mm in to the chuck.


SDS Top Bit


These bits are designed for drills up to 5 kg. They have 4 grooves and a shank of 14 mm. They are inserted 70 mm in to the chuck. These bits will only work with the sds top drill. The sds top drill is not the most popular of models.


SDS Max bits


The sds max drill is the big daddy of the range. They are used mostly for heavy duty drilling in the industrial and construction industries. The max bits will not work with any other drill. Their bodies are larger. The shank of one of these bits is 18 mm and they are inserted 90 mm in to the drill chuck. They have 3 grooves.

So remember when it comes to buying new sds bits, always select the ones that are made specifically for your drill. You may have several sds drills in your working kit and are reluctant to purchase separate bits for separate drills. Unfortunately this is the way it is. There is one solution though and that is that sds and sds plus bits can be used with a sds max drill. For this though you will need specially formulated adaptors.

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5/32" x 4-5/8"               2"                              1/2" x 6-5/8"            4"


5/32" x 6-5/8"               4"                              1/2" x 10-5/8"          8"


5/32" x 8-5/8"               6"                              1/2" x 12-5/8"          120"


3/16" x 4-3/8"               2"                              1/2" x 18-5/8"          16"


3/16" x 6-3/8"               4"                              1/2" x 24"                 22"


3/16" x 8-5/8"               6"                              1/2" x 38"                 36"


3/16" x 10-5/8"             8"                              9/16" x 6-3/4"           4"


3/16" x 12-5/8"            10"                             9/16" x 10-1/8"         7-7/8"


3/16" x 14-5/8"            12"                             9/16" x 12-3/4"         10"


3/16" x 16-5/8"            14"                             9/16" x 18-3/4"         16"


7/32" x 4-3/4"              2-1/2"                        5/8" x 6-3/4"             4"


7/32" x 6-5/8"              4"                               5/8" x 9-3/4"             7"


7/32" x 8-5/8"              6"                               5/8" x 12-3/4"          10"


7/32" x 10-1/4"            8"                               5/8" x 18-3/4"          16"


7/32" x 14-5/8"            12"                             5/8" x 24"                 22"


7/32" x 16-5/8"            14"                             5/8" x 36"                 34"


1/4" x 4-3/8"                2"                               11/16" x 12-3/4"      10"


1/4" x 6-3/8"                4"                               11/16" x 18-3/4"      16"


1/4" x 8-5/8"                6"                               3/4" x 6-3/4"            4"


1/4" x 11-5/8"              9"                               3/4" x 9-3/4"            7"


1/4" x 12-1/4"              9-5/8"                        3/4" x 12-3/4"          10"


1/4" x 14-5/8"              12"                             3/4" x 18-3/4"          16"


1/4" x 16-5/8"              14"                             3/4" x 24"                 22"


1/4" x 20-5/8"              18"                             3/4" x 36"                 34"


9/32" x 8-5/8"              6"                               13/16" x 12-3/4"      10"


5/16" x 6-5/8"              4"                               27/32" x 8-3/4"        6"


5/16" x 9-3/4"              7-1/2"                        27/32" x 12"             10"


5/16" x 12-5/8"           10"                              7/8" x 9-3/4"            7"


3/8" x 6-5/8"               4"                                7/8" x 12-3/4"          10"


3/8" x 10-5/8"             8"                                7/8" x 18-3/4"         16"


3/8" x 12-5/8"             10"                              7/8" x 24"                21"


3/8" x 20-5/8"             18"                              1" x 10-3/4"             8"


3/8" x 24"                    22"                              1" x 13-1/8"            10-1/4"


3/8" x 36"                    34"                              1" x 18-3/4"            16"


7/16" x 6-5/8"             4"                                1" x 25"                   22"


7/16" x 12-5/8"           10"                              1" x 30"                   28"


7/16" x 18-5/8"           16"                              1-1/8" x 12-3/4"     10"

A hammer drill is a versatile and powerful drill to own. Add the sds drill system to a hammer drill , and what you have is a hammer drill with a much improved hammer action resulting in greater drilling power Sds Hammer Drill.


Sds Hammer Drill

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Sds Bit Size              Drilling Depth               Sds Bit Size             Drilling Depth

Sds Drill Bit Sizes And Drilling Depths

Cordless Sds Drill Battery Guide

If you opt for the cordless battery version of the sds drill there will come a time when you need to buy yourself a new battery. You may actually buy yourself a spare battery at the same time as you buy the drill. Having a spare fully charged battery with you at all times when you use a cordless sds drill is no bad thing. It enables you to keep on working when your existing battery runs down.

Replacement batteries come in different types and the choice can be confusing if you are not aware of the battery types available. You will also notice that the prices of replacement batteries for the cordless sds drill vary greatly. These prices reflect the quality of battery and the expected use you can receive from it. Basically there are 3 types of battery available for the cordless dsd drill. These are the NiCad, the NIMH and the Li-ion.

Types Of Replacement Battery For The SDS Drill

NiCad Battery


This battery is a Nickel Cadmium battery and it is the most commonly used and bought battery at the moment. It is the forerunner of the rechargeable battery world. When you look at electronic goods you will find that the Nicad battery is in many of them. Their uses range from such items as in digital cameras to most cordless hand held power tools. The reason they are so popular is that they can work in a broad range of temperatures and that they are cheap. Manufacturers produce them in huge quantities which keeps their price down.

NiCad batteries are very reliable and you can recharge them about 1000 times before they become redundant. However they are heavy and they do have a habit of reacting adversely to poor charging patterns. The so called battery memory in them forgets where full capacity actually is. On the environmental front cadmium is bad and nowadays taxes are being levied on it to reduce their use.


NiMh Battery


The NiMh battery is less well known but is now being produced in very large numbers by battery manufacturers because of the tax restrictions being placed on the NiCad battery. This is particularly noticeable when you look at Hitachi and Makita. They are producing these batteries in great numbers aimed at the European market. However this battery is a better battery than the NiCad so the consumer will benefit. These batteries are lighter and because of the density of charging capabilities, they also run for longer than the NiCad battery.

The downside of these batteries is that they do not appreciate the weather extremes and temperature fluctuations. It is not rare for them to not operate at all below temperatures of 0 degrees. On the recharging front as well they can not be recharged as many times as a NiCad battery can be. This means that they have a shorter life with the consumer and need to be replaced on a more frequent basis.

They are a better battery but to use them will cost you more.


Li-ion Battery


This type of battery is a recent innovation and can now be found being supplied with many cordless sds drills. Of all batteries this is the best performing one. It is lighter than the previous two examples and actually has a life expectancy of twice as long as a NiCad battery. When it comes to temperatures as well, this lithium ion battery is unaffected. Without a doubt it is the big daddy of all batteries.

But with this superiority comes a price tag to match. So initially you will be forking out big bucks. However false economy comes in to play here and saving money by buying one of the 2 lesser batteries is just not reality. With the Li-ion battery you replace it less, it works better in all conditions and just offers a superior service. When you do the mathematics and comparisons, the only sensible choice is actually the Li-ion battery.