Tri-Flated Shank Drill Bits

Mechanics Length Drill Bits
  • DeWALT® - Pilot Point™ 15/64" Cobalt SAE 3-Flatted Shank Drill Bit
    DeWALT®Pilot Point™ 15/64" Cobalt SAE 3-Flatted Shank Drill Bit (DW1215)
    0
    # mpn4742866333
    Pilot Point™ 15/64" Cobalt SAE 3-Flatted Shank Drill Bit (DW1215) by DeWALT®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It...
    Designed to help to get your job done rightManufactured utilizing the highest quality materials
    $6.02
  • DeWALT® - Pilot Point™ 3/8" Cobalt SAE 3-Flatted Shank Drill Bit
    DeWALT®Pilot Point™ 3/8" Cobalt SAE 3-Flatted Shank Drill Bit (DW1224)
    0
    # mpn4688931776
    Pilot Point™ 3/8" Cobalt SAE 3-Flatted Shank Drill Bit (DW1224) by DeWALT®. If you’re looking for a reliable solution to complete your project, this 1st-grade product is right up your alley. Designed utilizing the finest materials,...
    Designed to help to get your job done rightManufactured utilizing the highest quality materials
    $13.22
  • IRWIN® - 1/2" SAE 3-Flatted Shank Right Hand Installer Drill Bit
    IRWIN®1/2" SAE 3-Flatted Shank Right Hand Installer Drill Bit (1890711)
    0
    # mpn4658052371
    1/2" SAE 3-Flatted Shank Right Hand Installer Drill Bit (1890711) by IRWIN®. Hole in flute for easy wire pulling through walls, ceilings and floors. 3-flatted shank prevents slipping in drill chuck and includes hole for wire pulling....
    Constructed of premium alloy steel for boring into a variety of materials including wood, plaster, and metal lathWire hole at the tip of the bit makes it easy to pull wire through walls, ceilings, and floors
    $15.75
  • IRWIN® - 1/2" SAE 3-Flatted Shank Right Hand Installer Drill Bit
    IRWIN®1/2" SAE 3-Flatted Shank Right Hand Installer Drill Bit (39108)
    0
    # mpn4526433181
    1/2" SAE 3-Flatted Shank Right Hand Installer Drill Bit (39108) by IRWIN®. Hole in flute for easy wire pulling through walls, ceilings and floors. 3-flatted shank prevents slipping in drill chuck and includes hole for wire pulling. 82°...
    Constructed of premium alloy steel for boring into a variety of materials including wood, plaster, and metal lathWire hole at the tip of the bit makes it easy to pull wire through walls, ceilings, and floors
    $18.74
  • IRWIN® - 1/4" SAE 3-Flatted Shank Right Hand Installer Drill Bit
    IRWIN®1/4" SAE 3-Flatted Shank Right Hand Installer Drill Bit (1890707)
    0
    # mpn4658052367
    1/4" SAE 3-Flatted Shank Right Hand Installer Drill Bit (1890707) by IRWIN®. Hole in flute for easy wire pulling through walls, ceilings and floors. 3-flatted shank prevents slipping in drill chuck and includes hole for wire pulling....
    Constructed of premium alloy steel for boring into a variety of materials including wood, plaster, and metal lathWire hole at the tip of the bit makes it easy to pull wire through walls, ceilings, and floors
    $13.49
  • IRWIN® - 1/4" SAE 3-Flatted Shank Right Hand Installer Drill Bit
    IRWIN®1/4" SAE 3-Flatted Shank Right Hand Installer Drill Bit (39104)
    0
    # mpn4526433178
    1/4" SAE 3-Flatted Shank Right Hand Installer Drill Bit (39104) by IRWIN®. Hole in flute for easy wire pulling through walls, ceilings and floors. 3-flatted shank prevents slipping in drill chuck and includes hole for wire pulling. 82°...
    Constructed of premium alloy steel for boring into a variety of materials including wood, plaster, and metal lathWire hole at the tip of the bit makes it easy to pull wire through walls, ceilings, and floors
    $17.34
  • IRWIN® - 3/4" SAE 3-Flatted Shank Right Hand Installer Drill Bit
    IRWIN®3/4" SAE 3-Flatted Shank Right Hand Installer Drill Bit (1890714)
    0
    # mpn4658052373
    3/4" SAE 3-Flatted Shank Right Hand Installer Drill Bit (1890714) by IRWIN®. Hole in flute for easy wire pulling through walls, ceilings and floors. 3-flatted shank prevents slipping in drill chuck and includes hole for wire pulling....
    Constructed of premium alloy steel for boring into a variety of materials including wood, plaster, and metal lathWire hole at the tip of the bit makes it easy to pull wire through walls, ceilings, and floors
    $22.95
  • IRWIN® - 3/8" SAE 3-Flatted Shank Right Hand Installer Drill Bit
    IRWIN®3/8" SAE 3-Flatted Shank Right Hand Installer Drill Bit (1890709)
    0
    # mpn4658052369
    3/8" SAE 3-Flatted Shank Right Hand Installer Drill Bit (1890709) by IRWIN®. Hole in flute for easy wire pulling through walls, ceilings and floors. 3-flatted shank prevents slipping in drill chuck and includes hole for wire pulling....
    Constructed of premium alloy steel for boring into a variety of materials including wood, plaster, and metal lathWire hole at the tip of the bit makes it easy to pull wire through walls, ceilings, and floors
    $16.83
  • IRWIN® - 5/16" SAE 3-Flatted Shank Right Hand Installer Drill Bit
    IRWIN®5/16" SAE 3-Flatted Shank Right Hand Installer Drill Bit (1890708)
    0
    # mpn4658052368
    5/16" SAE 3-Flatted Shank Right Hand Installer Drill Bit (1890708) by IRWIN®. Hole in flute for easy wire pulling through walls, ceilings and floors. 3-flatted shank prevents slipping in drill chuck and includes hole for wire pulling....
    Constructed of premium alloy steel for boring into a variety of materials including wood, plaster, and metal lathWire hole at the tip of the bit makes it easy to pull wire through walls, ceilings, and floors
    $16.17
  • IRWIN® - 5/16" SAE 3-Flatted Shank Right Hand Installer Drill Bit
    IRWIN®5/16" SAE 3-Flatted Shank Right Hand Installer Drill Bit (39105)
    0
    # mpn4526433179
    5/16" SAE 3-Flatted Shank Right Hand Installer Drill Bit (39105) by IRWIN®. Hole in flute for easy wire pulling through walls, ceilings and floors. 3-flatted shank prevents slipping in drill chuck and includes hole for wire pulling....
    Constructed of premium alloy steel for boring into a variety of materials including wood, plaster, and metal lathWire hole at the tip of the bit makes it easy to pull wire through walls, ceilings, and floors
    $15.49
  • IRWIN® - 5/8" SAE 3-Flatted Shank Right Hand Installer Drill Bit
    IRWIN®5/8" SAE 3-Flatted Shank Right Hand Installer Drill Bit (1890713)
    0
    # mpn4658052372
    5/8" SAE 3-Flatted Shank Right Hand Installer Drill Bit (1890713) by IRWIN®. Hole in flute for easy wire pulling through walls, ceilings and floors. 3-flatted shank prevents slipping in drill chuck and includes hole for wire pulling....
    Constructed of premium alloy steel for boring into a variety of materials including wood, plaster, and metal lathWire hole at the tip of the bit makes it easy to pull wire through walls, ceilings, and floors
    $20.06
  • IRWIN® - 7/16" SAE 3-Flatted Shank Right Hand Installer Drill Bit
    IRWIN®7/16" SAE 3-Flatted Shank Right Hand Installer Drill Bit (1890710)
    0
    # mpn4658052370
    7/16" SAE 3-Flatted Shank Right Hand Installer Drill Bit (1890710) by IRWIN®. Hole in flute for easy wire pulling through walls, ceilings and floors. 3-flatted shank prevents slipping in drill chuck and includes hole for wire pulling....
    Constructed of premium alloy steel for boring into a variety of materials including wood, plaster, and metal lathWire hole at the tip of the bit makes it easy to pull wire through walls, ceilings, and floors
    $14.99
  • IRWIN® - TURBOMAX™ Series 3015™ 5/32" Titanium HSS SAE 3-Flatted Shank Drill Bits (2 Pieces)
    IRWIN®TURBOMAX™ Series 3015™ 5/32" Titanium HSS SAE 3-Flatted Shank Drill Bits (2 Pieces) (3015010)
    0
    # mpn4695564207
    TURBOMAX™ Series 3015™ 5/32" Titanium HSS SAE 3-Flatted Shank Drill Bits (2 Pieces) (3015010) by IRWIN®. If you’re looking for a reliable solution to complete your project, this 1st-grade product is right up your alley. Designed...
    Designed to help to get your job done rightManufactured utilizing the highest quality materials
    $4.36
  • IRWIN® - TURBOMAX™ Series 3015™ 7/32" Titanium HSS SAE 3-Flatted Shank Drill Bits (2 Pieces)
    IRWIN®TURBOMAX™ Series 3015™ 7/32" Titanium HSS SAE 3-Flatted Shank Drill Bits (2 Pieces) (3015014)
    0
    # mpn4695564135
    TURBOMAX™ Series 3015™ 7/32" Titanium HSS SAE 3-Flatted Shank Drill Bits (2 Pieces) (3015014) by IRWIN®. If you’re looking for a reliable solution to complete your project, this 1st-grade product is right up your alley. Designed...
    Designed to help to get your job done rightManufactured utilizing the highest quality materials
    $6.33
  • IRWIN® - TURBOMAX™ Series 3015™ 9/32" Titanium HSS SAE 3-Flatted Shank Drill Bits (2 Pieces)
    IRWIN®TURBOMAX™ Series 3015™ 9/32" Titanium HSS SAE 3-Flatted Shank Drill Bits (2 Pieces) (3015018)
    0
    # mpn4695564246
    TURBOMAX™ Series 3015™ 9/32" Titanium HSS SAE 3-Flatted Shank Drill Bits (2 Pieces) (3015018) by IRWIN®. If you’re looking for a reliable solution to complete your project, this 1st-grade product is right up your alley. Designed...
    Designed to help to get your job done rightManufactured utilizing the highest quality materials
    $8.96
  • KnKut® - 1-1/4" Hi-Molybdenum Steel SAE 3-Flatted Shank Right Hand S&D Drill Bit
    KnKut®1-1/4" Hi-Molybdenum Steel SAE 3-Flatted Shank Right Hand S&D Drill Bit (KK12-1-1/4)
    0
    # mpn4695564139
    1-1/4" Hi-Molybdenum Steel SAE 3-Flatted Shank Right Hand S&D Drill Bit (KK12-1-1/4) by KnKut®. KnKut Silver & Deming 1/2" Reduced Shank Performance Drills feature a 135° split point for fast penetration and accurate starting without...
    Designed to help to get your job done rightManufactured utilizing the highest quality materials
    $119.63
  • KnKut® - 1-7/16" Hi-Molybdenum Steel SAE 3-Flatted Shank Right Hand S&D Drill Bit
    KnKut®1-7/16" Hi-Molybdenum Steel SAE 3-Flatted Shank Right Hand S&D Drill Bit (KK12-1-7/16)
    0
    # mpn1452792057
    1-7/16" Hi-Molybdenum Steel SAE 3-Flatted Shank Right Hand S&D Drill Bit (KK12-1-7/16) by KnKut®. KnKut Silver & Deming 1/2" Reduced Shank Performance Drills feature a 135 degree split point for fast penetration and accurate starting...
    No center punch or pilot hole requiredRounder, more accurate holes
    $184.80
  • KnKut® - 3/4" Hi-Molybdenum Steel SAE 3-Flatted Shank Right Hand S&D Drill Bit
    KnKut®3/4" Hi-Molybdenum Steel SAE 3-Flatted Shank Right Hand S&D Drill Bit (KK12-3/4)
    0
    # mpn433821221
    3/4" Hi-Molybdenum Steel SAE 3-Flatted Shank Right Hand S&D Drill Bit (KK12-3/4) by KnKut®. KnKut Silver & Deming 1/2" Reduced Shank Performance Drills feature a 135 degree split point for fast penetration and accurate starting without...
    No center punch or pilot hole requiredRounder, more accurate holes
    $61.17
  • KnKut® - 43/64" Hi-Molybdenum Steel SAE 3-Flatted Shank Right Hand S&D Drill Bit
    KnKut®43/64" Hi-Molybdenum Steel SAE 3-Flatted Shank Right Hand S&D Drill Bit (KK12-43/64)
    0
    # mpn4695564254
    43/64" Hi-Molybdenum Steel SAE 3-Flatted Shank Right Hand S&D Drill Bit (KK12-43/64) by KnKut®. KnKut Silver & Deming 1/2" Reduced Shank Performance Drills feature a 135° split point for fast penetration and accurate starting without...
    Designed to help to get your job done rightManufactured utilizing the highest quality materials
    $48.63
  • KnKut® - 53/64" Hi-Molybdenum Steel SAE 3-Flatted Shank Right Hand S&D Drill Bit
    KnKut®53/64" Hi-Molybdenum Steel SAE 3-Flatted Shank Right Hand S&D Drill Bit (KK12-53/64)
    0
    # mpn4695564171
    53/64" Hi-Molybdenum Steel SAE 3-Flatted Shank Right Hand S&D Drill Bit (KK12-53/64) by KnKut®. KnKut Silver & Deming 1/2" Reduced Shank Performance Drills feature a 135° split point for fast penetration and accurate starting without...
    Designed to help to get your job done rightManufactured utilizing the highest quality materials
    $60.87
  • KnKut® - 59/64" Hi-Molybdenum Steel SAE 3-Flatted Shank Right Hand S&D Drill Bit
    KnKut®59/64" Hi-Molybdenum Steel SAE 3-Flatted Shank Right Hand S&D Drill Bit (KK12-59/64)
    0
    # mpn4695564172
    59/64" Hi-Molybdenum Steel SAE 3-Flatted Shank Right Hand S&D Drill Bit (KK12-59/64) by KnKut®. KnKut Silver & Deming 1/2" Reduced Shank Performance Drills feature a 135° split point for fast penetration and accurate starting without...
    Designed to help to get your job done rightManufactured utilizing the highest quality materials
    $66.28
  • Milwaukee® - 1" S&D Black Oxide Drill Bit
    Milwaukee®1" S&D Black Oxide Drill Bit (48-89-2754)
    0
    # mpn4896196303
    1" S&D Black Oxide Drill Bit (48-89-2754) by Milwaukee®. Milwaukee® S&D Black Oxide drill bits are designed for extreme durability and long life. A specially designed parabolic flute form clears chips fast, while the 3-Flat...
    Fast, accurate drilling: 135° split point tip starts on contact to prevent walking, while the parabolic flute clears chips fastReduced slipping: 3-Flat Secure-Grip™ shank holds the bit firmly in the drill chuck
    $46.78
  • Milwaukee® - 1-1/4" S&D Black Oxide Drill Bit
    Milwaukee®1-1/4" S&D Black Oxide Drill Bit (48-89-2758)
    0
    # mpn4896196348
    1-1/4" S&D Black Oxide Drill Bit (48-89-2758) by Milwaukee®. Milwaukee® S&D Black Oxide drill bits are designed for extreme durability and long life. A specially designed parabolic flute form clears chips fast, while the 3-Flat...
    Fast, accurate drilling: 135° split point tip starts on contact to prevent walking, while the parabolic flute clears chips fastReduced slipping: 3-Flat Secure-Grip™ shank holds the bit firmly in the drill chuck
    $83.16
  • Milwaukee® - 1-1/8" S&D Black Oxide Drill Bit
    Milwaukee®1-1/8" S&D Black Oxide Drill Bit (48-89-2756)
    0
    # mpn4896196382
    1-1/8" S&D Black Oxide Drill Bit (48-89-2756) by Milwaukee®. Milwaukee® S&D Black Oxide drill bits are designed for extreme durability and long life. A specially designed parabolic flute form clears chips fast, while the 3-Flat...
    Fast, accurate drilling: 135° split point tip starts on contact to prevent walking, while the parabolic flute clears chips fastReduced slipping: 3-Flat Secure-Grip™ shank holds the bit firmly in the drill chuck
    $66.50
  • Milwaukee® - 1-3/16" S&D Black Oxide Drill Bit
    Milwaukee®1-3/16" S&D Black Oxide Drill Bit (48-89-2757)
    0
    # mpn4896196338
    1-3/16" S&D Black Oxide Drill Bit (48-89-2757) by Milwaukee®. Milwaukee® S&D Black Oxide drill bits are designed for extreme durability and long life. A specially designed parabolic flute form clears chips fast, while the 3-Flat...
    Fast, accurate drilling: 135° split point tip starts on contact to prevent walking, while the parabolic flute clears chips fastReduced slipping: 3-Flat Secure-Grip™ shank holds the bit firmly in the drill chuck
    $71.23
  • Milwaukee® - 1/4" HSS SAE 3-Flatted Shank Right Hand Drill Bit
    Milwaukee®1/4" HSS SAE 3-Flatted Shank Right Hand Drill Bit (49-56-8010)
    0
    # mpn4496713144
    1/4" HSS SAE 3-Flatted Shank Right Hand Drill Bit (49-56-8010) by Milwaukee®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will...
    Thunderbolt™ tapered web for added durabilityParabolic flute clears chips faster
    $4.98
  • Milwaukee® - 1/4" HSS SAE 3-Flatted Shank Right Hand Drill Bit
    Milwaukee®1/4" HSS SAE 3-Flatted Shank Right Hand Drill Bit (49-56-8000)
    0
    # mpn4496713143
    1/4" HSS SAE 3-Flatted Shank Right Hand Drill Bit (49-56-8000) by Milwaukee®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will...
    Thunderbolt™ tapered web for added durabilityParabolic flute clears chips faster
    $3.86
  • Milwaukee® - 1/4" x 12" Aircraft Length Black Oxide Drill Bit
    Milwaukee®1/4" x 12" Aircraft Length Black Oxide Drill Bit (48-89-2772)
    0
    # mpn4896196306
    1/4" x 12" Aircraft Length Black Oxide Drill Bit (48-89-2772) by Milwaukee®. Milwaukee Aircraft Length Black Oxide drill bits are ideal for extra reach and deep drilling applications in metal, wood and PVC. The 135° split point tip...
    Fast, accurate drilling: 135° split point tip starts on contact to prevent walkingReduced slipping: 3-Flat Secure-Grip™ shank holds the bit firmly in the drill chuck
    $12.54
  • Milwaukee® - 1/8" x 12" Aircraft Length Black Oxide Drill Bit
    Milwaukee®1/8" x 12" Aircraft Length Black Oxide Drill Bit (48-89-2770)
    0
    # mpn4896196383
    1/8" x 12" Aircraft Length Black Oxide Drill Bit (48-89-2770) by Milwaukee®. Milwaukee Aircraft Length Black Oxide drill bits are ideal for extra reach and deep drilling applications in metal, wood and PVC. The 135° split point tip...
    Fast, accurate drilling: 135° split point tip starts on contact to prevent walkingCorrosion resistant: Black oxide coating provides lubricity and resists corrosion of the bit
    $8.95
  • Milwaukee® - 11/16" S&D Black Oxide Drill Bit
    Milwaukee®11/16" S&D Black Oxide Drill Bit (48-89-2744)
    0
    # mpn4896196301
    11/16" S&D Black Oxide Drill Bit (48-89-2744) by Milwaukee®. Milwaukee® S&D Black Oxide drill bits are designed for extreme durability and long life. A specially designed parabolic flute form clears chips fast, while the 3-Flat...
    Fast, accurate drilling: 135° split point tip starts on contact to prevent walking, while the parabolic flute clears chips fastReduced slipping: 3-Flat Secure-Grip™ shank holds the bit firmly in the drill chuck
    $26.56




When it comes to drilling, choosing the most suitable bit for the job is paramount to ensure good results and prevent damages to the workpiece. Sometimes, picking the right one can be a bit tricky. For example, twist bits are frequently utilized in numerous applications, and many use the same tool to work with different materials. However, apart from the material, even minor variations in the bit or shank design can affect performance and safety. Tri-flat shank drill bits, for instance, are specialized tools specifically designed for masonry work.

A special design of the shank, as a matter of fact, plays a well-defined role in drilling concrete, brick, or other types of walls. Instead of the typical rounded shank, these models feature three flat sides to ensure perfect adherence in the chuck, preventing the bit from sliding in it or getting stuck in the wall. Like other masonry specialized tools, tri-flated drill bits deliver top performance with rotary or hammer drills. On our virtual shelves, we offer a wide selection of these and other quality bits made to perfection to comply with SAE guidelines.

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