Tri-Flated Shank Drill Bits

Mechanics Length Drill Bits
  • KnKut® - SAE 3-Flatted Shank S&D Drill Bits
    KnKut®SAE 3-Flatted Shank S&D Drill Bits
    0
    # 2399350374
    SAE 3-Flatted Shank S&D Drill Bits by KnKut®. 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, it delivers unmatched levels of...
    Designed to help to get your job done rightManufactured utilizing the highest quality materials
    $38.23 - $184.80
  • Milwaukee® - RED HELIX™ Cobalt Drill Bit
    Milwaukee®RED HELIX™ Cobalt Drill Bit
    0
    # 5075461128
    RED HELIX™ Cobalt Drill Bit 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 meet your needs and deliver great...
    Designed to help to get your job done rightManufactured utilizing the highest quality materials
    $3.58 - $18.06
  • KnKut® - 5/8" Hi-Molybdenum Steel SAE 3-Flatted Shank Right Hand S&D Drill Bit
    KnKut®5/8" Hi-Molybdenum Steel SAE 3-Flatted Shank Right Hand S&D Drill Bit (KK12-5/8)
    0
    # mpn433821222
    5/8" Hi-Molybdenum Steel SAE 3-Flatted Shank Right Hand S&D Drill Bit (KK12-5/8) 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
    $45.91
  • KnKut® - 9/16" Hi-Molybdenum Steel SAE 3-Flatted Shank Right Hand S&D Drill Bit
    KnKut®9/16" Hi-Molybdenum Steel SAE 3-Flatted Shank Right Hand S&D Drill Bit (KK12-9/16)
    0
    # mpn433821223
    9/16" Hi-Molybdenum Steel SAE 3-Flatted Shank Right Hand S&D Drill Bit (KK12-9/16) 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
    $38.23
  • Milwaukee® - RED HELIX™ 15/32" Cobalt Drill Bit
    Milwaukee®RED HELIX™ 15/32" Cobalt Drill Bit (48-89-2327)
    0
    # mpn4896196343
    RED HELIX™ 15/32" Cobalt Drill Bit (48-89-2327) by Milwaukee®. The MILWAUKEE® RED HELIX™ Cobalt 15/32" Drill Bit are engineered for extreme durability and longer life in hard metal applications. The Milwaukee Cobalt drill bits are...
    Cobalt alloy for up to 15X Life vs. Black Oxide Drill BitsQUADEDGE TIP™ designed to decrease heat build up and drill faster
    $17.42
  • Beta Tools® - 420A-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes
    Beta Tools®420A-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes
    0
    # 4544479389
    420A-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes by Beta Tools®. Hole Angle: 90°. For through holes. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion...
    DIN 8374Perfect blend of leading innovations and superior workmanship
    $73.25 - $321.14
  • Beta Tools® - 420B-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes
    Beta Tools®420B-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes
    0
    # 4544478539
    420B-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes by Beta Tools®. Hole Angle: 180°. For through holes. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion...
    DIN 8376Perfect blend of leading innovations and superior workmanship
    $64.52 - $196.14
  • DeWALT® - Pilot Point™ SAE 3-Flatted Shank Drill Bits
    DeWALT®Pilot Point™ SAE 3-Flatted Shank Drill Bits
    0
    # 3829521953
    Pilot Point™ SAE 3-Flatted Shank Drill Bits 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, it delivers...
    Designed to help to get your job done rightManufactured utilizing the highest quality materials
    $6.02 - $13.22
  • IRWIN® - SAE 3-Flatted Shank Installer Drill Bits
    IRWIN®SAE 3-Flatted Shank Installer Drill Bits
    0
    # 2399350333
    SAE 3-Flatted Shank Installer Drill Bits 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° point for fast,...
    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 - $22.95
  • IRWIN® - TURBOMAX™ Series 3015™ SAE 3-Flatted Shank Drill Bits
    IRWIN®TURBOMAX™ Series 3015™ SAE 3-Flatted Shank Drill Bits
    0
    # 3049035809
    TURBOMAX™ Series 3015™ SAE 3-Flatted Shank Drill Bits by IRWIN®. 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, it...
    Designed to help to get your job done rightManufactured utilizing the highest quality materials
    $4.36 - $8.96
  • Milwaukee® - Aircraft Length Black Oxide Drill Bit
    Milwaukee®Aircraft Length Black Oxide Drill Bit
    0
    # 5075461180
    Aircraft Length Black Oxide Drill Bit 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 delivers a precision start...
    Designed to help to get your job done rightManufactured utilizing the highest quality materials
    $8.95 - $19.84
  • Milwaukee® - S&D Black Oxide Drill Bit
    Milwaukee®S&D Black Oxide Drill Bit
    0
    # 5075461152
    S&D Black Oxide Drill Bit 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 Secure-Grip™ shank holds...
    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
    $21.76 - $83.16
  • Milwaukee® - SAE 3-Flatted Shank Drill Bits
    Milwaukee®SAE 3-Flatted Shank Drill Bits
    0
    # 2399350359
    SAE 3-Flatted Shank Drill Bits 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 meet your needs and deliver...
    Designed to help to get your job done rightManufactured utilizing the highest quality materials
    $3.10 - $12.54
  • Milwaukee® - Secure-Grip™ SAE 3-Flatted Shank Bellhanger Bits
    Milwaukee®Secure-Grip™ SAE 3-Flatted Shank Bellhanger Bits
    0
    # 849552132
    Secure-Grip™ SAE 3-Flatted Shank Bellhanger Bits by Milwaukee®. Install small wire systems easily and efficiently with the Milwaukee™ 5/16" x18" Bellhanger Bit. Designed for installing all types of small wire systems including...
    Versatile: Provides a pull-through hole in the tip for easy installation of small wire systemsDeliver new-to-world technology and unparalleled levels of performance
    $20.67 - $21.68
  • Beta Tools® - 420A-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes
    Beta Tools®420A-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes (004200010)
    0
    # mpn4826379902
    420A-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes (004200010) by Beta Tools®. Diameter: 10.5 mm. Hole Angle: 90°. For through holes. This top-grade product is expertly made in compliance with stringent...
    DIN 8374Perfect blend of leading innovations and superior workmanship
    $321.14
  • Beta Tools® - 420A-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes
    Beta Tools®420A-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes (004200008)
    0
    # mpn4826379821
    420A-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes (004200008) by Beta Tools®. Diameter: 8.4 mm. Hole Angle: 90°. For through holes. This top-grade product is expertly made in compliance with stringent...
    DIN 8374Perfect blend of leading innovations and superior workmanship
    $207.78
  • Beta Tools® - 420A-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes
    Beta Tools®420A-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes (004200005)
    0
    # mpn4826379820
    420A-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes (004200005) by Beta Tools®. Diameter: 5.3 mm. Hole Angle: 90°. For through holes. This top-grade product is expertly made in compliance with stringent...
    DIN 8374Perfect blend of leading innovations and superior workmanship
    $106.36
  • Beta Tools® - 420A-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes
    Beta Tools®420A-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes (004200003)
    0
    # mpn4826379677
    420A-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes (004200003) by Beta Tools®. Diameter: 3.2 mm. Hole Angle: 90°. For through holes. This top-grade product is expertly made in compliance with stringent...
    DIN 8374Perfect blend of leading innovations and superior workmanship
    $73.25
  • Beta Tools® - 420A-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes
    Beta Tools®420A-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes (004200006)
    0
    # mpn4826379478
    420A-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes (004200006) by Beta Tools®. Diameter: 6.4 mm. Hole Angle: 90°. For through holes. This top-grade product is expertly made in compliance with stringent...
    DIN 8374Perfect blend of leading innovations and superior workmanship
    $122.89
  • Beta Tools® - 420A-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes
    Beta Tools®420A-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes (004200004)
    0
    # mpn4826379408
    420A-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes (004200004) by Beta Tools®. Diameter: 4.3 mm. Hole Angle: 90°. For through holes. This top-grade product is expertly made in compliance with stringent...
    DIN 8374Perfect blend of leading innovations and superior workmanship
    $84.57
  • Beta Tools® - 420B-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes
    Beta Tools®420B-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes (004200055)
    0
    # mpn4826380184
    420B-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes (004200055) by Beta Tools®. Diameter: 5.5 mm. Hole Angle: 180°. For through holes. This top-grade product is expertly made in compliance with stringent...
    DIN 8376Perfect blend of leading innovations and superior workmanship
    $88.90
  • Beta Tools® - 420B-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes
    Beta Tools®420B-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes (004200056)
    0
    # mpn4826379945
    420B-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes (004200056) by Beta Tools®. Diameter: 6.6 mm. Hole Angle: 180°. For through holes. This top-grade product is expertly made in compliance with stringent...
    DIN 8376Perfect blend of leading innovations and superior workmanship
    $104.65
  • Beta Tools® - 420B-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes
    Beta Tools®420B-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes (004200060)
    0
    # mpn4826379899
    420B-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes (004200060) by Beta Tools®. Diameter: 11 mm. Hole Angle: 180°. For through holes. This top-grade product is expertly made in compliance with stringent...
    DIN 8376Perfect blend of leading innovations and superior workmanship
    $196.14
  • Beta Tools® - 420B-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes
    Beta Tools®420B-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes (004200053)
    0
    # mpn4826379889
    420B-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes (004200053) by Beta Tools®. Diameter: 3.4 mm. Hole Angle: 180°. For through holes. This top-grade product is expertly made in compliance with stringent...
    DIN 8376Perfect blend of leading innovations and superior workmanship
    $64.52
  • Beta Tools® - 420B-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes
    Beta Tools®420B-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes (004200058)
    0
    # mpn4826379826
    420B-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes (004200058) by Beta Tools®. Diameter: 9 mm. Hole Angle: 180°. For through holes. This top-grade product is expertly made in compliance with stringent industry...
    DIN 8376Perfect blend of leading innovations and superior workmanship
    $130.78
  • Beta Tools® - 420B-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes
    Beta Tools®420B-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes (004200054)
    0
    # mpn4826379793
    420B-Series HSS Subland Twist Drill with Independent Spirals for Screw Holes (004200054) by Beta Tools®. Diameter: 4.5 mm. Hole Angle: 180°. For through holes. This top-grade product is expertly made in compliance with stringent...
    DIN 8376Perfect blend of leading innovations and superior workmanship
    $72.68
  • 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
  • Dent Fix Corporation® - 1/4" Cobalt SAE 1-Flatted Shank Right Hand Drill Bit
    Dent Fix Corporation®1/4" Cobalt SAE 1-Flatted Shank Right Hand Drill Bit (DF-1465)
    0
    # mpn3761026106
    1/4" Cobalt SAE 1-Flatted Shank Right Hand Drill Bit by Dent Fix Corporation®. The DF-1465 bit is 6.5 mm or approximately 1/4-inch High Speed Steel Cobalt (HSCO) spot weld bit. The twist is smaller than the shank which is 8.0 mm and has...
    This German made bit may be used with off brand spot weld drillsSpecfically designed for the abuse of spot weld drilling
    $22.50
  • 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




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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