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Precision Twist R10 High Speed Steel Jobber Drill Bit, Black Oxide Finish, Round Shank, Spiral Flute, 118 Degree Point Angle

Available in multiple versions

Price: $14.19 - $70.86
Product Specifications
Brand Name Precision Twist
Material Type High-Speed Steel
Finish Types Black Oxide
Cutting Angle 118  Degrees
Cutting Direction Right-Hand
Drill Point Conventional
Flute Type Spiral
Shank Type Round
UNSPSC Code 20121600

The Precision Twist R10 jobber-length, uncoated bright finish, general-purpose, round-shank dr... Read full product description

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Size Part Number
The Amazon Standard Item Number (ASIN) uniquely identifies the item in the Amazon catalog.
Price Quantity
1/16" B002096VS4
1/2 in B001VY33G2
+ $9.59 Shipping
1/32" B002098QAK
1/4 in B001VXW5XK
+ $9.19 Shipping
1/64" B003JTI7ZY
11/16" B002098S7Q
11/32" B001VXU4JM
11/64" B00208ZYXI
+ $9.11 Shipping
13/32" B001VXU4ME
13/64" B001VXW5XA
15/32" B001VY09CI
15/64" B002096WKG
17/32" B001VXY6DM
17/64" B001VY1I00
19/32" B0025QE1U2
19/64" B002091DVO
21/32" B002091ERC
21/64" B002096WW4
23/64" B002091E4A
25/64" B001VXW60C
+ $9.29 Shipping
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Product Features

  • Black oxide finish, for improving lubricity, resisting corrosion, and resistances to chipping or flaking
  • Jobber-length, for a wide range of applications
  • 118-degree conventional point angles, for general drilling applications
  • Round shanks, for use on a variety of tool-holding systems
  • High-speed steel (HSS), for use on a wide variety of materials

Product Details

  • Shipping Information: View shipping rates and policies
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B004P8JRT8
  • Product Warranty: For warranty information about this product, please click here

Product Description

The Precision Twist R10 jobber-length, uncoated bright finish, general-purpose, round-shank drill bit drills holes into a wide variety of metals and synthetic materials. It can drill to a depth up to four times the diameter of the drill size. The shank diameter is the same as the drill size.

The R10 series has a type N flute form, with a regular helix (21 to 34 degrees) angle, with best performance drilling into steel, and cast iron. Uncoated (bright) tools have no finish or coating. They are a common choice for general use applications. Spiral flutes act as a passageway for chip extraction from the hole and for coolant to enter the hole. Right-hand twist brings chips up and away from the cutting 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 ANSI (fractional sizing) industry standards, which 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.

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