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Best Reduced Shank Counterbores

21 Pc 5/16-5/8 HSS Counterbore Set Interchangeable Pilots 3/8 Shank

  • Set includes 6 counterbores: 5/16", 3/8", 7/16", 1/2", 9/16" & 5/8" diameters.
  • Set includes 14 pilots: .1870", .2040", .2130", .2290", 1/4", 17/64", 9/32", 5/16", 21/64", 11/32", 3/8", 25/64", 13/32" & 7/16".
  • Also includes (1) each: 3/8" shank & wrench (shank measures 3.5" overall) Made of high quality High Speed Steel (HSS).
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Accusize Industrial Tools H.S.S Solid Cap Screw Counterbore Set 3 Flute Straight Shank 7 Pc 508S-0007

  • Inch Set (7 PC) : 6#, 8#, 10#, 1/4'', 5/16'', 3/8'', 1/2''.
  • Cap screw counterbores are tools that are used to create a recess in a workpiece for the head of a cap screw. You might use a cap screw counterbore when you need to attach a component to your workpiece using cap screws, and the component has a thickness that is greater than the length of the cap screw..
  • Another reason you might use a cap screw counterbore is if you want to create a flush or countersunk appearance for the heads of the cap screws on your workpiece. A cap screw counterbore allows you to create a recess in the workpiece that is sized to fit the head of the cap screw, giving the screw a flush or countersunk appearance..
  • Overall, cap screw counterbores can be useful when you need to attach components to a workpiece using cap screws, or when you want to create a flush or countersunk appearance for the heads of the cap screws on your workpiece..
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W L Fuller 10393011C #11 5-Piece Taper Drill Set

  • For wood screw sizes #6, #8, #10, #12, and #14.
  • Countersinks combine pre-drilling for screw threads and clearance drilling for screw shank.
  • Countersinks combine counterboring for wood plugs (if needed) and countersinking for the screw head.
  • Plug cutters produce wood plugs to match their counterbores.
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Accusize Industrial Tools 7 Pc Metric Hss Solid Capscrew Counterbore Set 3 Flute Straight Shank 508S-007m

  • Metric Set (7PC): M3, M4, M5, M6, M8, M10, M12. 3 Flute..
  • Cap screw counterbores are tools that are used to create a recess in a workpiece for the head of a cap screw. You might use a cap screw counterbore when you need to attach a component to your workpiece using cap screws, and the component has a thickness that is greater than the length of the cap screw..
  • Another reason you might use a cap screw counterbore is if you want to create a flush or countersunk appearance for the heads of the cap screws on your workpiece. A cap screw counterbore allows you to create a recess in the workpiece that is sized to fit the head of the cap screw, giving the screw a flush or countersunk appearance..
  • Overall, cap screw counterbores can be useful when you need to attach components to a workpiece using cap screws, or when you want to create a flush or countersunk appearance for the heads of the cap screws on your workpiece..
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Accusize Industrial Tools Premium Metric H.S.S Solid Cap Screw Counterbore Set 3 Flute Straight Shank 7 Pc 509S-007M

  • High Speed Steel. Straight Shank. Metric Set(7 Pcs/Set): M3, M4, M5, M6, M8, M10, & M12.
  • Cap screw counterbores are tools that are used to create a recess in a workpiece for the head of a cap screw. You might use a cap screw counterbore when you need to attach a component to your workpiece using cap screws, and the component has a thickness that is greater than the length of the cap screw..
  • Another reason you might use a cap screw counterbore is if you want to create a flush or countersunk appearance for the heads of the cap screws on your workpiece. A cap screw counterbore allows you to create a recess in the workpiece that is sized to fit the head of the cap screw, giving the screw a flush or countersunk appearance..
  • Overall, cap screw counterbores can be useful when you need to attach components to a workpiece using cap screws, or when you want to create a flush or countersunk appearance for the heads of the cap screws on your workpiece..
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JNB Pro Wood Countersink Drill Bit Set - 5 Pc Adjustable Countersink Bit #6(9/64\) - All Same Size - 2 Extra 9/64 Tapered Drill Bit, 1 Adjust. Collar, 1 Wrench - 1/4\ Quick Change Shank - Countersink

  • COUNTERSINK DRILL BIT SET - Also Countersink For Woodworking - Included 5 Pieces all same size #6 Cutters (for up to 3/8" or 10mm screws head), 2 extra Tapered High Speed Steel M2 Drill Bit (6542 grade), 1 Stop Collar, 1 Hex Wrench and 1 Safe Container to keep your set safe and always handy.
  • ADJUSTABLE COUNTERSINK - Also Countersink Bits For Wood - The Adjustable Stop Collar allows you to adjust the Counterbores depth and Adjustable Cutters can be adjusted for many screws sizes..
  • QUICK CHANGE SHANK - The Quick Change 1/4" Shank is Universal size, Compatible with all 1/4" Quick Change Chucks, Juego De Brocas Avellanadoras Para Madera, Avellanadores Para Madera, Juego De Brocas Para Avellanar, Broca De Avellanado..
  • QUALITY VALUE SET - Our Countersink Drill is manufactured in China which allow us to have a competitive price, but the JNB Pro Requirements as the High Speed Steel M2 (6542 grade) Drill Bit and Carbon Steel #45 Cutters make the product have better or same quality as USA made. If for any reason your are not satisfied with the product you are invited to return or have product replaced. Your satisfaction is our goal. Broca Avellanadora Para Madera.
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JNB Pro Wood Countersink Drill Bit Set - 5 Pc Adjustable Countersink Bit #8(11/64\) All Same Size - 2 Extra 11/64 Tapered Drill Bit, 1 Adjust. Collar, 1 Wrench - 1/4\ Quick Change Shank - Countersink

  • COUNTERSINK DRILL BIT SET -Also Countersink for Woodworking - Included 5 Pieces all same size #8 Cutters (for up to 3/8" or 10mm screws head), 2 Extra 11/64 Tapered High Speed Steel M2 Drill Bit (6542 grade), 1 Stop Collar, 1 Hex Wrench and 1 Safe Container to keep your set safe and always handy.
  • ADJUSTABLE COUNTERSINK - Also Countersink Bits for Wood - The Adjustable Stop Collar allows you to adjust the Counterbores depth and Adjustable Cutters can be adjusted for many screws sizes..
  • QUICK CHANGE SHANK - The Quick Change 1/4" Shank is Universal size, Compatible with all 1/4" Quick Change Chucks, Juego De Brocas Avellanadoras Para Madera, Avellanadores De Madera, Avellanador Para Madera, Juego De Brocas Para Avellanar, Broca De Avellanado..
  • QUALITY VALUE SET - Our Countersink Drill is manufactured in China which allow us to have a competitive price, but the JNB Pro Requirements as the High Speed Steel M2 (6542 grade) Drill Bit and Carbon Steel #45 Cutters make the product have better or same quality as USA made. If for any reason your are not satisfied with the product you are invited to return or have product replaced. Your satisfaction is our goal. Broca Avellanadora Para Madera.
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COMOWARE Extra Long Brad Point Drill Bit Set - 300mm Carbon Steel Wood Drill Bit Set for Hardwood, Plywood, Plastic, Aluminum, 7Pcs | 1/8'', 3/16'', 1/4'', 5/16'', 3/8'', 7/16'', 1/2'' (7 Pcs)

  • EXTRA LONG LENGTH & 2 TYPE SHANK: Extra long 300mm body provides better stability and balance during quick operation to ensure position is intact. Flute length is 180mm with ROUND shank and REDUCED shank..
  • HIGH QUALITY MATERIAL: Classic Carbon Steel Material for fast cutting against tough wood material. High hardness, offer superior cutting power and durable..
  • FULL SET OF STANDARD SIZE: With the drill bits we offered, you can process 7 different diameter holes, ( Round shank| 1/8'', 3/16'', 1/4'', 5/16'', 3/8'' Reduced Shank| 7/16'', 1/2'' ), which meet your different needs perfectly..
  • Brad-Point Design -The Brad-Point Design can penetrate surface quickly because of the sharp point on the tip. This allows the user to pinpoint the mark with the drill bit. Better in CENTERING and NO SKID..
  • MULTIPURPOSE & LIFETIME GUARANTEE: Suitable for bench drill, hand drill and conventional electric drill. Perfect for wood, fiberboard, particleboard, plywood, plastic, PVC, rubber etc. Set includes the drill bit holder for easy storage and organizing. We only care about your satisfaction. We stand behind all of our high quality products so we offer a No Question Asked on our Drill Bit Set. Please contact us (through Amazon if past the standard return window) and we will ....
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IRWIN Drill Bit Set, General Purpose, 3/8-Inch Reduced Shank, 29-Piece (60148)

  • These drill bits are constructed of M-2 high-speed steel for strength, as well as heat and wear resistance.
  • Each drill bit has a standard 118° point for use in metal, wood and plastic.
  • 3/8-inch reduced shank fits most 3/8-inch drills.
  • These IRWIN drill bits come in a metal index case.
  • Includes 1/16″ through 1/2″ drill bits in 1/64″ increments.
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Drill America 33 Piece m35 Cobalt Reduced Shank Drill Bit Set (1/2″ – 1″ x 64ths), DWDCO Series

  • 33 Piece Set with 1/2″ Reduced Shank Drill Bits.
  • Effective in drilling tough, high tensile strength materials like stainless steel, Inconel, and titanium.
  • Reduced Shank Drills expand the size range capacity of a portable drill chuck. Common flute and overall length for minimal adjustment during tool changes.
  • 135 degree split point tip for self-centering and reducing thrust.
  • Manufactured to Aerospace Standard 907 and display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel.
  • Sizes include: 1/2″, 33/64″, 17/32″, 35/64″, 9/16″, 37/64″, 19/32″, 39/64″, 5/8″, 41/64″, 21/32″, 43/64″, 11/16″, 45/64″, 23/32″, 47/64″, 3/4″, 49/64″, 25/32″, 51/64″, 13/16″, 53/64″, 27/32″, 55/64″, 7/8″, 57/64″, 29/32″, 59/64″, 15/16″, 61/64″, 31/32″, 63/64″ and 1″..
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IVY Classic 10332 1/2 x 12-Inch Premium Carbide Masonry Drill Bit, 3/8-Inch Reduced Shank, 1/Card

  • Round shank designed for rotary and percussion hammer drilling through block, brick, stone, concrete and marble, Swift Cut (Registered Trademark).
  • Tungsten Carbide reinforced head – precision ground.
  • Induction-hardened body ensures straightness and strength, sandblasted finish.
  • Engineered with wide flutes for fast dust removal.
  • Diameter: 1/2-inch, Overall Length: 12-inch, Shank: 3/8-inch Reduced Shank, Flute Length: 6-3/4-Inch.
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BOSCH SF2561 2-9/16 In. Self-Feed Drill Bit

  • 7/16 In. hex shank for reduced slippage (3 In. and larger three-flat shank).
  • Chip lifters and spurs can be re-sharpened to maximize bit life.
  • Deep cutter gullets prevent stalling and provide smoother drilling.
  • Replaceable threaded tip and hex key included.
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BOSCH SF3001 3 In. Self-Feed Drill Bit

  • 7/16 In. hex shank for reduced slippage (3 In. and larger three-flat shank).
  • Chip lifters and spurs can be re-sharpened to maximize bit life.
  • Deep cutter gullets prevent stalling and provide smoother drilling.
  • Replaceable threaded tip and hex key included.
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