The Best #40 Drill Bit of 2023 – Reviewed and Top Rated
2,819 (random number) Reviews Scanned
- Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys
- Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools
- Round shanks allow use with a wide variety of toolholding systems
- When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
- Ideal for drilling in tough, high tensile strength materials
- U.S. AISI M2 Molybdenum High Speed Steel
- 135° Split Point
- Fully Ground from billet blanks
- Rockwell Hardness: Point C65 Shank C34
- No. 40 Drill Bit - 0.098" dia. 2-3/8" len.
- Drills conform to ASME/ANSI B94.11M standards or USCTI - United States Cutting Tool Institute (formerly MCTI)
- All drill dimensional & tolerances conform to ASME/ANSI B94.11M or USCTI - United States Cutting Tool Institute drill standards
- Fully ground process ensures excellent chips moving, and 135 deg chisel angle with split point provide accuracy start for quick penetration without Walking and less Logging
- Precision treatment makes drills durable toughness, withstands heavy duty operation, resists corrosion and lubricates the drill bits better for cutting smoothly
- Jobber Length Twist Drill Bits with Straight Shank for cutting metal, plastic, and wood etc; No. 1 to No. 60 are available
- High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
- Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
- Round shanks allow use with a wide variety of toolholding systems
- When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
- Ideal for production, maintenance or portable drilling jobs
- Effective in drilling tough, high tensile strength materials like stainless steel, inconel and titanium
- 135° split point tip prevents drill from walking
- Round shanks allow use with a wide variety of tool holding systems
- Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools
- 6" overall length for drilling where extra length for reach is required
- Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys
- Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools
- Round shanks allow use with a wide variety of toolholding systems
- When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
- Manufactured to National Aerospace standard 907
- High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
- Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
- Round shanks allow use with a wide variety of tool holding systems
- When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
- Manufactured to national aerospace standard 907
- High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
- For use in wood, metal, stainless and other hard metal drilling
- 135° split point tip prevents drill from "walking"
- Combination of hardness and toughness for wear resistance
- Black and gold drills are manufactured from premium grade high speed steel
- Four piece drill bit set
- Made of high quality high speed steel
- Includes one each of: #40, #30, #21, #12
- Cobalt high speed steel ensures the bits super hard, sharp and cutting effectively with impressive performance in cutting metal, plastic, and wood etc with long tool life
- All drill dimensional & tolerances conform to ASME/ANSI B94.11M drill standards or USCTI - United States Cutting Tool Institute (formerly MCTI)
- Fully ground process ensures excellent chips moving, and 135 deg chisel angle with split point provide accuracy start for quick penetration without Walking and less Logging
- Precision treatment makes drills durable toughness, withstands heavy duty operation, resists corrosion and lubricates the drill bits better for cutting smoothly
- Jobber Length Twist Drill Bits with Straight Shank for cutting metal, plastic, and wood etc; No. 1 to No. 60 are available
- Cobalt high speed steel ensures the bits super hard, sharp and cutting effectively with impressive performance in cutting metal, plastic, and wood etc with long tool life
- All drill dimensional & tolerances conform to ASME/ANSI B94.11M drill standards or USCTI - United States Cutting Tool Institute (formerly MCTI)
- Fully ground process ensures excellent chips moving, and 135 deg chisel angle with split point provide accuracy start for quick penetration without Walking and less Logging
- Precision treatment makes drills durable toughness, withstands heavy duty operation, resists corrosion and lubricates the drill bits better for cutting smoothly
- Jobber Length Twist Drill Bits with Straight Shank for cutting metal, plastic, and wood etc; No. 1 to No. 60 are available
- Effective in drilling tough, high tensile strength materials like stainless steel, inconel and titanium
- 135° split point tip prevents drill from walking
- Round shanks allow use with a wide variety of tool holding systems
- Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools
- 12" overall length for drilling where extra length for reach is required
- Premium M2 Grade HSS (High Speed Steel)
- Fully Ground from a solid blank
- Standard 118-Degree Point
- Packed in a labeled reclosable package
- Used where more precisely sized holes are required
- Drills exact hole size; ideal for tapping
- Bit is constructed of M-2 high speed steel for the best combination of strength, heat resistance, and wear resistance
- Standard 118 deg point for use in wood, metal, and plastic
- Quality high speed steel ensures the bits super hard, sharp and cutting effectively with impressive cutting performance in metal, plastic, and wood etc with long tool life
- All drill dimensional & tolerances conform to ASME/ANSI B94.11M drill standards or USCTI - United States Cutting Tool Institute (formerly MCTI)
- Fully ground process ensures excellent chips moving, and 135 deg chisel angle with split point provide accuracy start for quick penetration without Walking and less Logging
- Precision treatment makes drills durable toughness, withstands heavy duty operation, resists corrosion and lubricates the drill bits better for cutting smoothly
- Aircraft extension drill bits are used for drilling deep holes or drilling holes in the places hard to reach. 6 inch and 12 inch overall length bits are available
- Solid carbide tools offer long tool life and faster cutting speeds than other substrates, but are more brittle and must be used with rigid toolholding systems
- Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications
- Round shanks allow use with a wide variety of toolholding systems
- When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
- Manufactured to National Aerospace Standard 907
- 0.098" diameter solid carbide jobber length drill 118° standard point
- 1" length of flute
- 2" overall length
- #40 size. Tool Diameter Tolerance: +0"/-.0005"
- Used by machinists and hobbyists for general purpose drilling of most materials.
Last update on 2023-08-06 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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