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Precision Twist R40 High Speed Steel Short Length Drill Bit, Uncoated (Bright) Finish, Round Shank, Spiral Flute, 118 Degree Point Angle, 1"


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Price: $11.71 & FREE Shipping on orders over $49. Details
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  • Short-length drill bits, also called stub length, provide better rigidity and increased strength
  • 118-degree conventional point angles good for general drilling applications
  • Round shanks can be used with a variety of tool-holding systems
  • Uncoated (bright), economical and useful with a wide range of drilling applications
  • High-speed steel (HSS), for use on a wide variety of materials

Product Specifications
Part Number 40600
Number of Items 1
UPC 086071406002
Cutting Diameter 1  inches
Cutting Length 4  inches
EAN 0086071406002
Flute Length 4  inches
Manufacturer Series Number R40
Outside Diameter 1.0000  inches
Overall Length 6  inches
Size 1 in
Style Name Stub
System of Measurement Inch
Specification for this product family
Brand Name Precision Twist
Material Type High-Speed Steel
Finish Types Uncoated (Bright)
Cutting Angle 118  Degrees
Cutting Direction Right-Hand
Drill Point Conventional
Flute Type Spiral
Shank Type Round
UNSPSC Code 20121600


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$11.71 & FREE Shipping on orders over $49. Details Only 2 left in stock (more on the way). Ships from and sold by Amazon.com.

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Size: 1 in

Product Description

Size: 1 in

The Precision Twist R40 stub length, 118-degree conventional point, general-purpose, round shank drill bit made of high-speed steel (HSS) with uncoated(bright) finish. It is suitable for drilling holes to a depth up to two-and-a-half times the diameter of the drill size. The shank diameter is the same as the drill size.

The 118-degree, conventional-point design is the most commonly accepted standard for drilling holes in a variety of material, such as metal, wood, and synthetics, with best performance in steel, stainless steel, cast iron, and unalloyed titanium. It comes with an uncoated (bright) finish, which helps keep costs down, yet provides acceptable performance in most situations. For drill bit sizes larger than 45/64 inch, the drills have a black oxide finish, which gives a strongly adhering surface treatment that acts to retain cutting fluid and prevent chip to tool welding, reducing the formation of a built-up edge.

Drilling, or hole making, is the most common metalworking operation in the world. Twist drill bits are the most common type of drill bit used. Twist drill bits are commonly used to drill holes with hand-operated drills, standalone drill presses, or lathes. The flutes of the drill bit act a passageway for chip extraction from the hole and for coolant to enter the hole. These drill bits have a right-hand twist that brings chips up and away from the cutting edge. They are made to DIN 1897 industry standards (metric sizing), which helps ensure that drill bits around the world conform to the same specifications.

Precision manufactures machine tools under the following brands: Precision Twist, Precision Dormer, and Union Butterfield. They have locations around the world, and provide tools adhering to ANSI, NAS, and DIN standards.


Product Details

Size: 1 in
  • Shipping Weight: 1.4 pounds (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • ASIN: B00208XJN0
  • Item model number: 040600
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Precision Twist R40 High Speed Steel Short Length Drill Bit, Uncoated (Bright) Finish, Round Shank, Spiral Flute, 118 Degree Point Angle, 1"
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This item: Precision Twist R40 High Speed Steel Short Length Drill Bit, Uncoated (Bright) Finish, Round Shank, Spiral Flute, 118 Degree Point Angle, 1"