Center Bits – Drills, Drill Bits and Accessories
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Step Bit

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Organize It All Organize It All Stainless Step-On Recycle Bin


Organize It All Organize It All Stainless Step-On Recycle Bin




No Weld Homebrew Kettle Valve Conversion Kit - Brass


No Weld Homebrew Kettle Valve Conversion Kit – Brass


$23.50


Put a brass valve in the bottom of your homebrew kettle easily with this brass conversion kit! It’s designed especially for your homebrew beer equipment, so you can safely and easily empty the hot wort from your brew kettle directly into the fermentation vessel or through a wort chiller. The best part is, you don’t even have to do any welding! All you need is a 7/8-inch metal cutting drill bit to …

Porter-Cable 39342 Step Adapter for Vacuum


Porter-Cable 39342 Step Adapter for Vacuum


$18.99


This adapter allows the use of a 1-1/2 In. vacuum hose with tools having smaller dust collection ports. The adapter steps down the hose end to either 7/8 In., 1-1/16 In., or 1-3/16 In. inside diameters. Threaded end fits Porter Cable hoses and all vacuum hoses with a standard 1-1/2 In. diameter….

The drill bit market has several types of drill bits available to choose from ranging from low cost to very expensive. The cost again depends upon the type of material being used to the type of coating being used and most importantly the use of the drill bit like what type of drilling material being used and what kind of hole we need.

The low cost most inexpensive drill is the regular steel bit which is mostly used in drilling holes in wood. The other types of drill bit are the high speed steel and the titanium coated drill bits. Next in the line which is more expensive but tougher are the carbide tipped and the cobalt bits. Both of these are very expensive but extremely hard anddurable.

The types of drill bits have been designed for various uses. Let us talk about the twist drill which is used for drill holes into wood, plastic or light metal. Brad Point bit and spade bit are also used for wood but they vary based on the diameter of the hole being drilled.

Another kind of bit which is very common is the installer bit which is used for installing phone wires, TV wires and other cable wires. This is specifically designed so that the wire can be pulled through the hole in the bit.

For drilling holes in copper, brass and aluminum the step bit is used.For drilling holes in glass or tiles the glass bit is used. Masons use a masonry drill which is fixed in front of a rotary hammer or a regular hammer drills.

In the light of the above information you would be able to have the desired drill bit and this will you select the bit most suited for your needs. As a matter of precaution always try to ask the manufactures or read the material which comes with the drill for the drill bits best suited for the drill you have bought.

Amit comes from an engineering background and writes about diamond drill bit for glass and their use in the industry. He has a website which is dedicated to the diamond drill bits

And, of course, ebay is a great place to find items:

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Drill Master  2 pc UniBit Titanium Nitride HSS Counter Sink Step Tapered Bit Set


Drill Master 2 pc UniBit Titanium Nitride HSS Counter Sink Step Tapered Bit Set


$27.97


#2 Hi-Speed St Fractional Self-Starting Step Drill Bit


#2 Hi-Speed St Fractional Self-Starting Step Drill Bit


$24.99


STEP DRILL BIT TOOLS TITANUM M2 HSS 1/4 to 1-3/8


STEP DRILL BIT TOOLS TITANUM M2 HSS 1/4 to 1-3/8″


$9.99


Craftsman 1/4 X 3/4 In. Step Drill Bit - 20923 NEW


Craftsman 1/4 X 3/4 In. Step Drill Bit – 20923 NEW


$9.99


3/16


3/16″ – 7/8″ Titanium M2 Steel HSS Step Drill Bit Tool


$16.99


Grip-On Tools Titanium Step Drill Bits-3-pc Set #35326


Grip-On Tools Titanium Step Drill Bits-3-pc Set #35326


$14.99


3 pc Titanium HSS M2 Steel Step Drill Bit Tool Set


3 pc Titanium HSS M2 Steel Step Drill Bit Tool Set


$19.95


KLEIN TOOLS 59008 Unibit Step-Drill Bit 7/8


KLEIN TOOLS 59008 Unibit Step-Drill Bit 7/8″ Only


$37.55


1/8


1/8″ – 1/2″ Titanium M2 Steel HSS Step Drill Bit Tool


$16.95


3/16


3/16″ – 1/2″ Titanium M2 Steel HSS Step Drill Bit Tool


$15.95


KLEIN TOOLS 59010 Unibit Step-Drill Bit 1-1/8


KLEIN TOOLS 59010 Unibit Step-Drill Bit 1-1/8″ Only


$50.41


3 Pc Set Titanium Step Drill Bits UNI Step Drill Bit Durable Drilling New


3 Pc Set Titanium Step Drill Bits UNI Step Drill Bit Durable Drilling New


$9.95


KLEIN TOOLS 59011 Unibit Step-Drill Bit 7/8


KLEIN TOOLS 59011 Unibit Step-Drill Bit 7/8″ TO 1-1/8″


$50.41


4 Pcs Titanium Step Drill Bit Set Tools M2 HSS 3/8


4 Pcs Titanium Step Drill Bit Set Tools M2 HSS 3/8″ & 1/4″ Shank Bits


$18.49


KLEIN TOOLS 59014 Unibit Step-Drill Bit 3/16 TO 7/8


KLEIN TOOLS 59014 Unibit Step-Drill Bit 3/16 TO 7/8″


$50.99


1/4


1/4″-1-3/8″ VARIABLE MULTI STEP DOWN DRILL BIT UNIBIT TOOL UNI STEPPED SIZE BIT


$24.99


9/16- 1


9/16- 1″ Titanium M2 Steel HSS Step Drill Bit Tool


$18.95


1/4


1/4″ – 3/4″ Titanium M2 Steel HSS Step Drill Bit Tool


$16.95


3 Pc


3 Pc “Titanium” Step Drill Bit Multiple Hole 28 Sizes Two-Flute Cuts Fast Smooth


$11.75


28 SIZES 3 PCS TITANIUM STEP DRILL BITS SET Step Bit


28 SIZES 3 PCS TITANIUM STEP DRILL BITS SET Step Bit


$12.99


5Pc Step Drill Bit SAE 1/4


5Pc Step Drill Bit SAE 1/4″ & 3/8″ Shank Aluminum New Steps Drills Professional


$28.35


7/16 TO 1-1/8 Titanium Multi Step Drill Bits Set New Fast & Smooth Drilling Cool


7/16 TO 1-1/8 Titanium Multi Step Drill Bits Set New Fast & Smooth Drilling Cool


$13.49


10 PC HSS COBALT COATED STEP DRILL BIT SET SAE AND MM


10 PC HSS COBALT COATED STEP DRILL BIT SET SAE AND MM


$47.99


Irwin ELECTRICIAN'S  Unibit  #9  Step Drill Bit


Irwin ELECTRICIAN’S Unibit #9 Step Drill Bit


$39.99


Hit Tools Titanium Nitride Coated Step Drill Bit with 9 Holes  21-ST3T


Hit Tools Titanium Nitride Coated Step Drill Bit with 9 Holes 21-ST3T


$22.99


3 PCS HSS Step Bit Set Drill Titanium Speed Steel 1/8


3 PCS HSS Step Bit Set Drill Titanium Speed Steel 1/8″ to 3/4″ – *FREE SHIPPING*


$15.99


Hit Tools High Speed Steel Step Drill Bit with 2 Holes  21-ST9


Hit Tools High Speed Steel Step Drill Bit with 2 Holes 21-ST9


$20.99


Hit Tools High Speed Steel Step Drill Bit with 9 Holes  21-ST3


Hit Tools High Speed Steel Step Drill Bit with 9 Holes 21-ST3


$17.99


Kawasaki Titanium Step Drill Bit  841344


Kawasaki Titanium Step Drill Bit 841344


$9.99


Hit Tools Titanium Nitride Coated Step Drill Bit with 2 Holes  21-ST9T


Hit Tools Titanium Nitride Coated Step Drill Bit with 2 Holes 21-ST9T


$25.99


Mountain 12 Step Drill Bit  MTN55153


Mountain 12 Step Drill Bit MTN55153


$43.99


Hit Tools 3 Piece Titanium Nitride Coated Step Drill Bit Set  21-ST123T


Hit Tools 3 Piece Titanium Nitride Coated Step Drill Bit Set 21-ST123T


$47.99


Hit Tools Titanium Nitride Coated Step Drill Bit with 10 Holes  21-ST5T


Hit Tools Titanium Nitride Coated Step Drill Bit with 10 Holes 21-ST5T


$32.99


Eazypower 80957 3/16


Eazypower 80957 3/16″ to 7/8″ Titanium-Nitride Step Bit


$15.95


5Pc Step Drill Bit Metric High Speed Aluminum Case New Steps Drills Professional


5Pc Step Drill Bit Metric High Speed Aluminum Case New Steps Drills Professional


$27.20


3Pc Titanium Step Uni Bit Reamer Set For Aluminum Metal Steps Drill Bits Case HD


3Pc Titanium Step Uni Bit Reamer Set For Aluminum Metal Steps Drill Bits Case HD


$19.49


4 Pcs Titanium Step Drill Bit Set Tools M2 High Speed Steel Bits Steps DIY Tools


4 Pcs Titanium Step Drill Bit Set Tools M2 High Speed Steel Bits Steps DIY Tools


$18.40


3/16


3/16″ to 1/2″ Professional Step Drill Bit High Speed Steel


$9.99


1/8


1/8″ to 1/2″ Professional Step Drill Bit High Speed Steel


$9.99


1/4


1/4″ to 3/4″ Professional Step Drill Bit High Speed Steel


$10.40


Irwin 15221 #21 Titanium Step Bit 13/16


Irwin 15221 #21 Titanium Step Bit 13/16″ – 1-3/8″


$131.06


1/8


1/8″ – 1/2″ Titanium Coated M2 Steel HSS Multi Step Drill Bit Tool


$8.99


Titanium 10 Step Drill Bit 1/4


Titanium 10 Step Drill Bit 1/4″ to 1-3/8″ 10 sizes Bit


$12.99


5pc Metric HSS Cobalt Step Drill Bits w/ Aluminum Case


5pc Metric HSS Cobalt Step Drill Bits w/ Aluminum Case


$28.54


13/16


13/16″-1 3/8″ Titanium M2 Steel HSS Step Drill Bit Tool


$18.99


3) HSS TITANIUM STEP DRILL BITS, Sheet Metal Cutting, HVAC 28 SIZES 3/16 - 3/4


3) HSS TITANIUM STEP DRILL BITS, Sheet Metal Cutting, HVAC 28 SIZES 3/16 – 3/4″


$9.85


Adjustable Double 3/8 Pocket Hole Jig Guide, Step Drill Bit & Depth Stop Collar


Adjustable Double 3/8 Pocket Hole Jig Guide, Step Drill Bit & Depth Stop Collar


$28.99


Northern Industrial 8-pc Cobalt-Coated Step Drill Bit Set #2103S088


Northern Industrial 8-pc Cobalt-Coated Step Drill Bit Set #2103S088


$79.99


5PC Step Drill Bit Set Aluminum Case 2-Flutes Auto Deburrs Tri-Flat SAE Standard


5PC Step Drill Bit Set Aluminum Case 2-Flutes Auto Deburrs Tri-Flat SAE Standard


$28.45


4 PC SET TITANIUM STEP DRILL BITS UNI STEP DRILL BIT


4 PC SET TITANIUM STEP DRILL BITS UNI STEP DRILL BIT


$16.97


STEPPED MULTI HOLE TITANIUM STEEL STEP DRILL UNI BIT


STEPPED MULTI HOLE TITANIUM STEEL STEP DRILL UNI BIT


$19.99


3 PC Titanium Step Drills Metals Plastic Wood Round Holes 6, 9, 13 Step Bit Set


3 PC Titanium Step Drills Metals Plastic Wood Round Holes 6, 9, 13 Step Bit Set


$21.99


10 PC COBALT COATED STEP DRILL BIT SET SAE AND MM


10 PC COBALT COATED STEP DRILL BIT SET SAE AND MM


$51.99


[USED] UNIBIT 3 PIECE STEP DRILL BIT SET 3/16


[USED] UNIBIT 3 PIECE STEP DRILL BIT SET 3/16″-3/4″ HOLES USA MADE #502


$49.99


Irwin 10239 UNIBIT STEP DRILL BIT


Irwin 10239 UNIBIT STEP DRILL BIT


$63.83


10 In 1 HSS Titanium Hex Step Drill Bit 10 Sizes 2-Flutes Smooth Cutting M2 Bits


10 In 1 HSS Titanium Hex Step Drill Bit 10 Sizes 2-Flutes Smooth Cutting M2 Bits


$11.60


NEW Kreg Tool KJD Step Drill Bit


NEW Kreg Tool KJD Step Drill Bit


$14.99


5PC METRIC MM STEP UNI DRILL BIT SET w/ ALUMINUM CASE


5PC METRIC MM STEP UNI DRILL BIT SET w/ ALUMINUM CASE


$24.99


3Pcs Titanium Nitride M2 Step Drill Bit 28 Sizes Set Auto Debur Holes Cool Cut


3Pcs Titanium Nitride M2 Step Drill Bit 28 Sizes Set Auto Debur Holes Cool Cut


$12.35


Neiko Heavy Duty Titanium Step Drill Bit, 7/16 to 1-1/8-Inch by 1/16-Inch Increm


Neiko Heavy Duty Titanium Step Drill Bit, 7/16 to 1-1/8-Inch by 1/16-Inch Increm


$18.43


3pc TITANIUM STEP UNI BIT REAMER SET 4 Holes Metal Aluminum Power Tools Set


3pc TITANIUM STEP UNI BIT REAMER SET 4 Holes Metal Aluminum Power Tools Set


$14.95


3pc IIT QUICK CHANGE TITANIUM STEP DRILL UNI BIT SET


3pc IIT QUICK CHANGE TITANIUM STEP DRILL UNI BIT SET


$9.99


NEW 1/4


NEW 1/4″ 1-3/8 M2 HEX SHANK HSS TITANIUM STEP DRILL BIT


$13.95


Irwin Unibit 102201/2


Irwin Unibit 102201/2″ to 1″ Hole Enlarging Step Drill Bit 1/2 inch Shank reamer


$9.99


Unibit 1/16-1/2


Unibit 1/16-1/2″ Multi-Hole Step Bit ~


$0.99


Klein Tools #3 step bit,unibit,0 1/4- 3/4


Klein Tools #3 step bit,unibit,0 1/4- 3/4 ” inch drill bit,


$9.99


Poland (4) Multi-Hole Step Bits ~


Poland (4) Multi-Hole Step Bits ~


$1.99


Unibit #10 Multi-Hole Step Bit ~


Unibit #10 Multi-Hole Step Bit ~


$2.99


Kreg KJD Replacement Step Pocket Hole Drill Bit 3/8


Kreg KJD Replacement Step Pocket Hole Drill Bit 3/8″ Tool


$19.99


1PC STEP DRILL BIT TOOLS TITANUM COATED M2 HSS


1PC STEP DRILL BIT TOOLS TITANUM COATED M2 HSS


$9.99


1 PC STEP DRILL BIT TOOLS TITANUM  M2 HSS Tools


1 PC STEP DRILL BIT TOOLS TITANUM M2 HSS Tools


$8.99


New Irwin Unibit #4 10234 3/16-Inch to 7/8-Inch 3/8-Inch Shank Step Drill Bit


New Irwin Unibit #4 10234 3/16-Inch to 7/8-Inch 3/8-Inch Shank Step Drill Bit


$21.99


KLEIN TOOLS 59010 Unibit Step-Drill Bit 1-1/8


KLEIN TOOLS 59010 Unibit Step-Drill Bit 1-1/8″ *** BRAND NEW ***


$49.76


New Step Bit Step Drill Bit 1/4


New Step Bit Step Drill Bit 1/4″ to 1-3/8″ Free Ship


$16.15


3 pcs STEP BIT SET 28 DRILL SIZE TITANIUM NITRIDE COATED M2 HSS STEEL SMOOTH CUT


3 pcs STEP BIT SET 28 DRILL SIZE TITANIUM NITRIDE COATED M2 HSS STEEL SMOOTH CUT


$19.99


5PC ATE PRO USA STEP HSS POLISHED  DRILL BIT SET ALUMINUM  CASE METRIC MM  NEW


5PC ATE PRO USA STEP HSS POLISHED DRILL BIT SET ALUMINUM CASE METRIC MM NEW


$28.90


Irwin High Speed Molybdenum Steel Unibit Step Drill Bit 10234


Irwin High Speed Molybdenum Steel Unibit Step Drill Bit 10234


$49.99


3 PC


3 PC “TITANIUM” STEP DRILL BIT MULTIPLE HOLE 28 SIZES


$9.99


Titanium Step Bit Set by Performance Tool.  3 Step Bits


Titanium Step Bit Set by Performance Tool. 3 Step Bits


$18.95


2 - UNIBIT STEP DRILL BIT 3/8


2 – UNIBIT STEP DRILL BIT 3/8″ & 1/2″ HOLE ONLY NEW


$9.99


90 Degree HSS Pocket Hole Jig 3/8


90 Degree HSS Pocket Hole Jig 3/8″ x 6″ Pilot Step Drill Bit fits Kreg jig guide


$6.89


Hit Tools Titanium Nitride Coated Step Drill Bit with 12 Holes  21-ST4T


Hit Tools Titanium Nitride Coated Step Drill Bit with 12 Holes 21-ST4T


$24.99


Irwin 15103 Unibit 3T Titanium 1/4


Irwin 15103 Unibit 3T Titanium 1/4″-3/4″ Step Drill Bit NEW


$0.01


NEW Lenox 30883-VB3 Vari-Bit 1/4-Inch to 3/4-Inch Step Drill Bit with 3/8-Inch S


NEW Lenox 30883-VB3 Vari-Bit 1/4-Inch to 3/4-Inch Step Drill Bit with 3/8-Inch S


$19.50


50 Aircraft Drill Bits - 3/16


50 Aircraft Drill Bits – 3/16″ step drills sharp 6″ Length


$21.59


NEW Lenox VB1 Vari-Bit 1/8-Inch to 1/2-Inch Step Drill Bit with 1/4-Inch Shank


NEW Lenox VB1 Vari-Bit 1/8-Inch to 1/2-Inch Step Drill Bit with 1/4-Inch Shank


$3.75


4 Pc Titanium Step Drill Bits Set Tools M2 HSS 38 Hole Sizes Cutting Drilling HD


4 Pc Titanium Step Drill Bits Set Tools M2 HSS 38 Hole Sizes Cutting Drilling HD


$19.25


Buffalo Tools Pro Series 3 Piece Step Drill Bit Set  DBSB3


Buffalo Tools Pro Series 3 Piece Step Drill Bit Set DBSB3


$12.99


NEW! 3 Piece Titanium Step Drill Bit Set Neiko Tools


NEW! 3 Piece Titanium Step Drill Bit Set Neiko Tools


$16.99


3 PC TITANIUM M2 Step Drill Bit Set  Hex Shank


3 PC TITANIUM M2 Step Drill Bit Set Hex Shank


$24.99


NEW 2 Pc Steel Step Drill Bit Set FREE SHIPPING Replaces 21 Bits Great Tools


NEW 2 Pc Steel Step Drill Bit Set FREE SHIPPING Replaces 21 Bits Great Tools


$19.99


5 pc SAE Step Drill Bit Set Aluminum Storage Case


5 pc SAE Step Drill Bit Set Aluminum Storage Case


$49.99


NEW 2 Piece Steel Step Drill Bit Set FREE SHIPPING Replaces 21 Bits Great Tools


NEW 2 Piece Steel Step Drill Bit Set FREE SHIPPING Replaces 21 Bits Great Tools


$20.95


NEW 3 Pc Piece High Speed Steel Step Drill Bit Set FREE SHIP Like Having 28 Bits


NEW 3 Pc Piece High Speed Steel Step Drill Bit Set FREE SHIP Like Having 28 Bits


$18.90


Neiko Tools USA 5pcs UNI Step Drill Bits MM Metric w/ Aluminum case 4 to 35MM


Neiko Tools USA 5pcs UNI Step Drill Bits MM Metric w/ Aluminum case 4 to 35MM


$25.95


10 PC HSS COBALT COATED STEP DRILL BIT SET SAE AND MM


10 PC HSS COBALT COATED STEP DRILL BIT SET SAE AND MM


$55.09


3 Pc Piece Unibit Titanium HSS Counter Sink Step Drill Uni Tapered Bit Tool Set


3 Pc Piece Unibit Titanium HSS Counter Sink Step Drill Uni Tapered Bit Tool Set


$28.99


5pc Uni Step Drill Bit HSS M2 Titanium Metric Tools


5pc Uni Step Drill Bit HSS M2 Titanium Metric Tools


$28.79


L.H. Dottie 1-1/8


L.H. Dottie 1-1/8″ Step Drill Bit with Tip-Bit


$48.00


Irwin Unibit Step Drill Bit #3 10233 1/4


Irwin Unibit Step Drill Bit #3 10233 1/4″ – 3/4″


$23.99

Step Bit Demonstration

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