Best Reduced Shank Counterbores

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.

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.

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 ....

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.

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″..

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.

Versatile general-purpose drill bit set,High-speed steel (HSS) and gold oxide finish resists corrosion and increases the hardness of the drill bit..
Assortment of 29 jobber length drill bits (1/16" to 1/2" in 1/64" increments)..
Shanks fit standard three-jaw drills,and use in drilling wood,plastic and Light-gauge metal..
Three unique shank styles keep bits securely seated to save you time and frustration. 1/16"-11/64" is round shank, 3/16"-3/8" is three flatted shank, 25/64"-1/2" is 3/8" reduced shank and three flatted shank..
ORGANIZED HOLDER- Set includes the drill bit holder with size index for easy storage and organizing..