Hammer Drill Concrete
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How To Fasten Concrete Brick Machine Anchors To A Block Wall
In many construction applications, concrete brick machine anchors must be fastened to a concrete block to hold a fixture or item of some kind. When installing these concrete anchors, special care must be taken to ensure safe and proper fastening. When fastening to concrete blocks, a number of specific considerations must be taken into account. These include what part of the block to drill into as well as which type of anchor would work the best in the specific application.
What is a concrete block?
A concrete block, cement block, foundation block or concrete masonry unit (CMU), is a large rectangular block used primarily in the construction of walls. Concrete blocks are made from precast concrete, i.e. Portland cement, water and aggregate. The aggregate used for high-density blocks is usually sand and/or fine gravel. Lower density blocks, more commonly known as cinder blocks, may be produced using cinders as aggregrate. These blocks are then layered and stacked vertically to form a wall, and are held together using concrete mortar.
Determine where in the block the anchor should be placed
Before choosing the correct anchor for an application, it is necessary to consider where in the block the fastener should be positioned. Will the fastener be placed in (a) the mortar joint, (b) the solid section of the block, or (c) the hollow section of the concrete block? Some applications may allow each fastener to be placed in the same part of the block while other installations require that each anchor be placed in different sections of the block.
Each section has unique advantages and disadvantages. Fastening into the mortar joint can be an excellent option depending on the quality and quantity of the mortar used to set the block in place. The solid sections of the block usually offer the best quality fastening. This will depend on the distance of the fastener to the unsupported edge of the cavity and the quality of the material from which the block is made. The hollow section of the block is the least desirable section of the block in which to fasten but sometimes can not be avoided. When fastening into the hollow section of a block, there are a few considerations to keep in mind:
(1) When drilling into the block with a hammer drill, the block will spall. This leads to a cone shaped space, with the point of the cone closest to the surface of the block.
(2) When inserting an anchor into this area, whether it's a fastener that exerts pressure or a concrete screw that taps threads into the base material, the holding values will be diminished or become non-existant.
(3) The fastener must not penetrate the wall into the cavity itself.
Determine the type of load to be fastened
The next step in the process is to ascertain the type of load that is going to be anchored. There are three questions that will help determine the type of load each application produces:
(1) How heavy is the item that is being fastened to the block wall?
(2) Will the load be a vibratory load?
(3) Is the load going to be placed where a shock load could occur?
Determine the type of anchor required
Lastly, the type of fastener required for the application must be determined. There are four options available that can be used in concrete block:
(1) Stud-type anchor: where the stud will stick out from the wall. Example: Sleeve Anchor
(2) Hammer-type anchor: where the stud does not protrude from the wall, for a finished look. Example: Hammer Drive, Nylon Nail-It
(3) Female-type anchor: where a screw is inserted into the anchor for a finished look. Example: Machine Screw Anchor, Lag Shield Anchor, Single Expansion Anchor, Double Expansion Anchor, Leadwood Screw Anchor
(4) Concrete screw: screwed directly into the block for a finished look
If using a stud-type anchor, female type anchor, or the concrete screw- the fixture, or item being fastened, can be removed at any time with little or no damage to the concrete block. However, hammer-type anchors are permanent installations. Removing these fasteners will greatly damage the concrete block and possibly the fixture as well.
Anchor types that can be used in concrete block applications
Stud-Type Anchor - Fixture will be removable
Sleeve anchors come in the widest variety of sizes for applications that fall into this category. Anchors with diameters ranging from 1/4" to 5/16" are sufficient for most light duty applications while the 3/8" and 1/2" diameters are adequate for most medium duty situations. Sleeve anchors with diameters of 5/8" and 3/4" are usually considered heavy duty anchors. An engineer should be consulted every time concrete anchors are used for heavy loads. This anchor is very versatile because there is a wide range of lengths available allowing materials of many different thicknesses to be attached to a block wall. The sleeve anchor also comes in a variety of head styles - hex head, flat countersunk and acorn or round head for aesthetics.
Hammer-type Anchor - Fixture will be non-removable
The hammer drive and nylon nail-it anchors are two fasteners that fall into the hammer type category. Neither of these anchors results in a stud protruding from the wall. Both of these anchors are basically non-removable. They are simple to use but should only be used in light duty applications because the only diameter available is 1/4". The hammer drive anchor is produced with a low profile, mushroom head while the nylon nail-it anchor is available in three head styles - mushroom, round and flat countersunk.
Female-type Anchor - Fixture will be removable
There are a number of different female type anchors. The anchor chosen will depend on the type of bolt being inserted into the anchor as well as the quality of the base material. The sizes of these anchors are designated by the inside diameter of the anchor, which is the size of the bolt that will be inserted into it. The different female type anchors and their unique characteristics are listed below:
The machine screw anchor requires a machine threaded bolt with national coarse threads. For example, 1/4"-20 machine screws require a 1/4" bolt with 20 threads per inch. This anchor also needs to be set in the base material using an appropriately sized setting tool. The 1/4" and 5/16" machine screw anchors should be considered for light duty applications and the 3/8" and 1/2" for medium duty. The 5/8" and 3/4" diameter machine screws are typically reserved for heavy duty use.
Lag shield anchors require the use of a lag screw. Lag shield anchors are available in short and long lengths. The length of the lag shield is generally determined by the quality of the base material. The long lag shield is usually used when the quality of the base material is suspect. The extra length of the long lag shield increases its ability to perform properly. The 1/4" and 5/16" lag shield anchors can be used in light duty applications, the 3/8" and 1/2" for medium duty and 5/8" and 3/4" for heavy duty.
The single expansion anchor and double expansion anchor require the use of a machine threaded fastener with national coarse threading. Both anchors work well in most base materials. The double expansion anchor should be used in applications with questionable base material quality. Both the single and double expansion anchors come in a variety of diameters to allow for usage in many different applications. The 1/4" and 5/16" should be used for light duty type loads, the 3/8" and 1/2" for medium loads and the 5/8" and 3/4" for heavier loading applications.
Leadwood screw anchors were originally made from lead. These concrete anchors are now produced from a material called Zamac - a softer, non-corrosive metal. This fastener is used in light duty applications since it is only available up to 5/16" in diameter. The leadwood screw anchor requires the use of a sheet metal screw. Like sheet metal screws, these anchors are also designated by the gauge wire used to produce the screw - #6, #8 and so on. Different lengths are available in each diameter and can be used in applications with many embedment requirements.
Concrete Screw- Fixture will be removable
The concrete screw is designed to tap threads into base materials made of concrete, brick or block. They work well in mortar joints as well as in the solid and hollow sections of a block for light duty loads. They are availabe in a wide array of lengths in both 3/16" and 1/4" diameters. Two different head styles are available - hex head and flat philips for countersinking.
All of the fasteners described above are suitable for use in concrete block- whether it be the solid section of the block, the hollow section or the mortar joint. These fasteners may be used in light or medium load applications with a non vibratory, non-shock load.
Although some of the fasteners listed above may be appropriate for heavy duty loads, it is not recommended to fasten a heavy load to concrete block. The strength and integrity of the block will be limiting and will most likely fail with a load that is too heavy. Heavy duty, non-vibratory, non-shock loads would require a through-bolted fastening technique or a concrete epoxy type fastener. Vibratory and shock loads would also require a through-bolted fastening system, a concrete epoxy type anchor or a cast-in place fastener. An engineer should always be consulted if your application requires any of these fastening techniques.
Additional Information
Many construction projects and applications will require fastening to concrete block. Before getting started, it is essential to choose the correct type of concrete anchor as well as determine in what part of the block to fasten the load. Taking the time to make the right decisions will ensure safe and effective anchoring. There are anchors available for use in a wide range of applications. Load type will also be a determining factor during the installation of concrete anchors. With the right knowledge, research and a bit of patience, anchoring concrete fasteners to block can be a simple process.
As with any anchoring project, it is important to keep safety in mind and follow instructions carefully. Always remember to wear safety googles, handle all tools with extra care and follow all technical specifications. This article is meant to serve as a basic overview of how to fasten concrete block machine anchors into block. Always refer to the manufacturers' instructions or consult a contracting expert during any anchoring project.
About the Author
nbnyzj.com is a professional manufacturer and exporter of all kinds of Single and Multi Spring brick machine.We are a member of Building Block Association with excellent and advanced technology.You can buy cheap concrete brick machine and block machine.
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Buffalo Tools 0.5-inch Hammer Drill $82.76 This hammer drill from Buffalo Tools is great for being drilled into masonry and stone. This hammer drill can also be used as a regular drill.Use for drilling into masonryAdjustable trigger dialChoose between hammer drill or normal drill5/8-inch drilling capacity in concrete0.5-inch drill capacity in steel500 Watts120 volts/60 HzVariable speedSwitch for full power360-degree side handleDepth gaugeLock-on button |
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Black & Decker 550W Hammer Drill. $39.99 Percussion Hammer Drill suitable for drilling into wood, metal or masonry.Hammer drill.550 watts.230V.Reverse function.Max no load speed : 2800 rpm. 13mm keyless chuck.1 gear.Max torque 4.5Nm.0 - 47600 blows per minute.Drilling capacity for wood 20mm, steel 13mm, masonry 13mm, concrete 13mm and metal 13mm.Soft grip, depth stop handle.Auxiliary handle.Cord length of 3m.Accessories included: kitbox.Side handle.Carry case.Additional features: Spindle lock for easy bit change and maximum accessory grip.Size H29, W3.1, D12cm.Drill weight 35kg.Manufacturer's 2 year guarantee excludes professional use.EAN/MPN/UPC/ISBN: 5035048287972 |
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Trademark Tools Hammer Drill .5 Inch Chuck $51.38 The Trademark Tools Hammer Drill is designed for to provide quicker drilling with less effort. A rotation only mode allows for fast drilling in wood and steel. With two drilling modes to choose from the Trademark Tools Hammer Drill gives you the power and the flexibility to tackle the toughest of jobsFeatures include:. Chuck capacity: .5 inch. High speed and reverse. No load speed: 3000 rpm. Drilling capacity in steel: .5 inch. Drilling capacity in wood: 1 inch. Drilling capacity in concrete: .625 inch. Side grip. Depth stop. Key chuck. Dimensions: 10 x 3.125 x 7 inches. Cord length: 79 inches. Includes retail packaging |
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Bosch PSB 1000 Corded Hammer Drill. $132.76 Hammer drill.1000 watts.Max no load speed : 2800 rpm.2 gears.Drilling capacity for wood 40mm, steel 16mm and concrete 20mm.Depth stop handle.Auxiliary handle.Cord length of 2m.Carry case.Additional features: integrated electronic speed control lets the user drill into different materials using adequate speed.Size H39, W11, D39cm.Drill weight 4.13kg.EAN/MPN/UPC/ISBN: 3165140512756 |
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Bosch PBH 2900 SDS Hammer Drill. $139.99 Hammer drill.730 watts.Max no load speed : 1450 rpm. 13mm keyless chuck.1 gear.0 - 4000 blows per minute.Drilling capacity for concrete 26mm.Cord length of 2.5m.Accessories included: 4 SDS drill bits, 1 chisel.Spindle lock, vario lock.Overload clutch.Carry case.Additional features: 2.7 joule impact force.Size H38, W47, D13cm.Drill weight 3kg.Manufacturer's 2 year guarantee.EAN/MPN/UPC/ISBN: 3165140459990 |
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Makita Makita 5 8 in 6a Hammer Drill HP1641K $115.52 5/8? 6a hammer drill Powerful 6.0A motor with 0-2800 RPM and 0-44,800 BPM for the most demanding applications Lightweight (4.3 lb.) with large drilling capacity up to 5/8? in concrete 2-mode operation for Rotation Only or Hammering with Rotation for multiple applications Soft grip handle provides increased comfort on the job Brand #: Makita HP1641K UPC: 088381096645 Keywords: hammer drill 5 8? corded hammerdrill electric |
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Dib Gs Dib Gs 1 2 in Hammer Drill 311246 $38.53 1/2? hammer drill Economy priced power tool, ideal for DIY 6.6A motor 0-3000 RPM 0.4? drilling capacity for steel 0.78? drilling capacity for wood 0.5? drilling capcity for concrete Refer to model No. 30825 for replacement Jacobs chuck UL approved Brand #: dib Imports 311246 UPC: 009326325972 Keywords: hammerdrill economy priced drill hammer |
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Black & Decker 18V Hammer Drill and Lithium Screwdriver. $69.99 The versatile Black ; Decker combination pack contains a Hammer Drill and Lithium Screwdriver making it ideal for all your DIY needs. The 18V drill has an ergonomic soft grip handle combined with variable speeds, whilst the screwdriver is equally reliable with 3 different screwdriver parts included to ensure versatility for every situation.Drill:18V.Variable speed.Reverse function.Drill keyless chuck 10mm keyless chuck.2 gears.24 torque settings.Drilling capacity for wood 25mm, steel 10mm, masonry 10mm, concrete 10mm and metal 10mm.Soft grip handle.Drill double ended screw bit included.3hr charging time.Weight 4.2kg.Screwdriver:Variable speed.Reverse function.1 torque setting.3 handle positions.12hr charging time.General information:Accessories included: 3 x screwdriver bits.Carry case.Manufacturer's 2 year guarantee.EAN/MPN/UPC/ISBN: 5035048252246. |
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Black & Decker 14.4V Hammer Drill and Lithium Screwdriver. $59.99 The versatile Black ; Decker combination pack contains a Hammer Drill and Lithium Screwdriver making it ideal for all your DIY needs. The 14.4V drill has an ergonomic soft grip handle combined with variable speeds, whilst the screwdriver is equally reliable with 3 different screwdriver parts included to ensure versatility for every situation.Drill:14.4V.Variable speed.Reverse function.Drill keyless chuck 10mm keyless chuck.2 gears.24 torque settings.Drilling capacity for wood 25mm, steel 10mm, masonry 10mm, concrete 10mm and metal 10mm.Soft grip handle.Drill double ended screw bit included.3hr charging time.Weight 4kg.Screwdriver:Variable speed.Reverse function.1 torque setting.3 handle positions.12hr charging time.General information:Accessories included: 3 x screwdriver bits.Carry case.Manufacturer's 2 year guarantee.EAN/MPN/UPC/ISBN: 5035048252239. |
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Boschrotozipskil .38in. X 6in. BlueGranite Industrial Hammer Drill Bits HCBG12 $25.02 Drill bit. Industrial hammer. Ideal for concrete brick and masonry. Perfect OnCenter diamond tip grinding for fast starts and drilling. Deep UFlute design removes debris and increases drilling speed. BlueGranite series.38 bit diameter. 4 usable length. 6 overall length. Length: 9.05. Width: 0.3. Height: 1.5 |
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Boschrotozipskil .75in. X 6in. BlueGranite Industrial Hammer Drill Bits HCBG22 $33.56 Drill bit. Industrial hammer. Ideal for concrete brick and masonry. Perfect OnCenter diamond tip grinding for fast starts and drilling. Deep UFlute design removes debris and increases drilling speed. BlueGranite series.75 bit diameter. 4 usable length. 6 overall length. Length: 15. Width: 0.57. Height: 2 |
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Bosch PSB 750RCE Hammer Drill. $79.99 Versatile and compact.Hammer drill.750 watts.Reverse function.1 speed settings.Max no load speed : 3000 rpm.1 gear.Max torque 10Nm.0 - 48000 blows per minute.Drilling capacity for wood 30mm, steel 12mm and concrete 14mm.Temperature overload function which shuts down unit automatically if it overheats.Soft grip, depth stop handle.Auxiliary handle.Cord length of 2m.Carry case.Additional features: Lock off function for added safety.Size H226, W27, D8cm.Drill weight 1.8kg.Manufacturer's 2 year guarantee excludes professional use.EAN/MPN/UPC/ISBN: 3165140512442 |
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Greenlee 21.6V Lithium Ion Electrician's Hammer Drill/Driver $810.75 Hammer Drill/Driver Kit |
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Boschrotozipskil .19in. X 6in. BlueGranite Industrial Hammer Drill Bits HCBG04 $23.49 Drill bit. Industrial hammer. Ideal for concrete brick and masonry. Perfect OnCenter diamond tip grinding for fast starts and drilling. Deep UFlute design removes debris and increases drilling speed. BlueGranite series. 3/16 bit diameter. 4 usable length. 6 overall length. Length: 9.3. Width: 0.1. Height: 1.5 |
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Boschrotozipskil .31in. X 6in. BlueGranite Industrial Hammer Drill Bits HCBG09 $24.29 Drill bit. Industrial hammer. Ideal for concrete brick and masonry. Perfect OnCenter diamond tip grinding for fast starts and drilling. Deep UFlute design removes debris and increases drilling speed. BlueGranite series. 5/16 bit diameter. 4 usable length. 6 overall length. Length: 9.25. Width: 0.28. Height: 1.5 |
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Skil 6445-01 1/2-in Hammer Drill $59.99 1/2-in Hammer Drill - 6445-01. Chuck Key. Side Assist Handle |
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Grisoft / Hammer Drill/Driver Kit / LHD-216 $408.18 Grisoft - Hammer Drill/Driver Kit - LHD-216 |
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Milwaukee Elec. Tool Milwaukee Elec. Tool 1 2 in Hammer Drill 537821 $159.19 1/2? hammer drill 2 gear speed, low 0-1350 RPM, high 0-2500 RPM; 7.5A; 120V AC 0-22,000/0-40,000 blows per minute Forward/reverse switch Ball and roller bearing construction Self-stopping brushes Removable side handle Capacity in concrete: 3/4?/3/8? Metal keyed chuck Includes case Brand #: Milwaukee Elec. Tool 537821 UPC: 045242025497 Keywords: hammerdrill corded drill hammer electric |
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Milwaukee Elec. Tool Milwaukee Elec. Tool M18 1 2 in Hammer Drill 260222 $346.69 M18 1/2? hammer drill The M18 cordless 1/2? hammer drill/driver not only delivers an industry leading compact and ergonomic design, but is up to 20% faster in concrete than the competition In addition, model No. 2602-22 is the only hammer drill/driver in its class with an all metal gear case, providing maximum durability for heavy-duty applications Built with a Milwaukee 4-pole motor, the model No. 2602-22 delivers best in class 550 in./lb. of peak torque with the M18 XC high capacity lithium ion battery A variable speed trigger provides speed control between 0 to 1700 RPM (high speed) and 0 to 450 RPM (low speed) Includes 2 XC batteries, 1 hour charger, and kit box Brand #: Milwaukee Elec. Tool 260222 UPC: 045242186266 Keywords: cordless hammer drill 18v hammerdrill m18 driver kit |
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Dewalt Dewalt 1 in Sds+ Rotary Hammer D25213K $259.13 1? sds+ rotary hammer Ideal for drilling anchors and fixing holes into concrete and masonry from 0.16? to 1? in diameter Electronic variable speed for total control in any application 3-position selector allows for drill only, hammer only, and hammer/drill Powerful 8.0A motor with 1100 RPM and 4300 BPM with 2.5 ft./lb. of impact energy offers maximum performance 16.6? in length and weighs 6.1 lb Brand #: Dewalt D25213K UPC: 028877301419 Keywords: drill rotary hammer sds hammerdrill d handle |
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Bosch PSB 18-2 18V Lithium Ion Cordless Hammer Drill. $169.99 Ultimate cordless combi drill for drilling in masonry, wood and steel. 30 pre-selectable torque settings plus a drill and impact drill setting. Intelligent 3 stage charge level indicator. Bosch Electronic speed control. Bosch Auto-Lock for fast and easy tool changes. Powerlight so that the workpiece is always well lit and clearly visible.Features:Screw diameter up to 8mm.18V.Variable speed.Reverse function.1mins charging time.Keyless chuck.2 gears.32 torque settings.Maximum torque 48Nm.Drilling capacity for wood 30mm, steel 13mm, masonry 15mm and concrete 12mm.Temperature overload function which shuts down unit automatically if it overheats.Soft grip, depth stop handle.Auxiliary handle.Accessories included: 1 Li-Ion battery, 1 charger, 1 screwdriver bit, 1 auxiliary handle.Carry case.Drill weight 1.8kg.Manufacturer's 2 year guarantee.EAN/MPN/UPC/ISBN: 3165140516976. |
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Milwaukee 5376-20 1/2-in Single Speed Hammer Drill $99 1/2-in Single Speed Hammer Drill - 5376-20. Side Handle. Depth Rod |
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Factory Reconditioned Skil 6445-01-RT 1/2-in Hammer Drill $44.99 1/2-in Hammer Drill - 6445-01-RT. Chuck Key. Side Handle |
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Black Decker Porter Cable Black Decker Porter Cable 18v Nicad Hammer Drill PC180HDK-2 $163.1 18v nicad hammer drill 18V 0-440/0-1600 RPM and 0-6000/0-24,000 BPM High torque motor and gear box generates 490 in./lb. of maximum torque for tough applications Hammer action easily drills into concrete, masonry, and brick 1/2 all-metal locking chuck offers excellent bit retention and durability Side handle allows better control in tough applications 32-position clutch with micro-adjust torque for driving various size screws Includes 2 (model No. PC18B) batteries, charger, double ended screwdriving bit, 360 handle, and kit box 2 year warranty Brand #: Black Decker/ Porter Cable PC180HDK-2 UPC: 885911079990 Keywords: hammer drill 18v nicad hammerdrll cordless |