PRECISION TWIST DRILL 092350 25/32" Size 118° Cobalt Silver & Deming Drill

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Item #
  • Size Type: Fractional
  • Size: 25/32"
  • Shank Size: 1/2"
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MSRP: $141.00 /each
Product Specifications
More Information
Size Type Fractional
Size 25/32"
Drill Point Angle 118°
Tool Material Cobalt
Finish Coating Black Oxide With Polished Flutes
Overall Length 6"
Type Cobalt Silver & Deming Drills
Flute Length 3"
Model # 092350
Shank Size 1/2"
Point Sharpening Type Split Point
Decimal Size .7812"
First Choice For: Stainless Steel
Flute Shape Helical
No. of Flutes 2
Prop. 65 Yes
Series R56C0
Shank Style Reduced Shank
Weight 0.406 lbs.
Workpiece Material Range Steel, Stainless Steel, High-Temp Exotic Alloys, Non-Ferrous, Cast Iron, Plastics
Country of Origin IMPORT

Prop 65 Warning

Many metalworking products do contain metals that are included in the latest Prop 65 warning. Exposure to the elements can be harmful. May cause cancer and reproductive harm.

Choose Precision Drills for All-Purpose Applications. Precision presents its 1/2 inch reduced shank Silver & Deming Drills for applications on low and medium tensile strength materials. The drills are made from cobalt steel which offers greater applications than high-speed steel. The heavy-duty cobalt core guarantees increased strength and reduced breakage. The unique spiral flute design improves chip ejection and coolant flow to the point. 118° split-point prevents "walking" and provides aggressive cutting. All drill bits offered in this series are surface treated and appear to have a black coating. It helps in significantly reducing friction and thereby, offers higher feed rates. This makes it ideal for workpiece material made of Steel, Stainless Steel, High-Temp Exotic alloy, Non-Ferrous, Cast Iron, Plastics. The lower helix angle of 30° can wrap slowly and is used in drilling hard materials including brass. C8R56Co model Silver & Deming drills from Precision are offered in over 30 different sizes of 1-1/2 inches and under. The model has a round & reduced shank to provide superior grip in heavy-duty applications. The brand Precision is from its parent company Dormer Pramet which has made a formidable presence in delivering high-quality cutting tools since 1952. Grown from the US suburbs, the brand Precision is now a recognized general-purpose industrial manufacturing product hosting an extensive portfolio of HSS and solid carbide drills, taps, countersinks, and reamers.
Can be used in electric drills and drill presses with 1/2" capacity drill chuck


  • Precision drills offer better wear resistance, higher hot hardness & toughness.
  • Cobalt offers less chipping which allows tools to be run 10% faster than high-speed steel.
  • Good for drilling on curved surfaces.
  • Black oxide coating with polished flutes offers a longer cutting life.
  • Runs cooler uses less torque.
  • 118° split point bit cuts more aggressively.


  • Designed for heavy-duty drilling of larger holes requiring reduced diameter straight shank drills.
  • Use on a wide array of materials having low and medium tensile strength ratings.
  • Suitable for machining workpieces made up of Steel, Stainless Steel, High-Temp Exotic alloy, Non-Ferrous, Cast Iron, Plastics.
  • Made for electric drills and drill presses with 1/2 inch capacity drill chuck.
  • Compatible with portable or stationary machine tools and handheld manual drills.
  • Use with standard lubricating/cutting oils.


  • Right hand (clockwise rotation) cutting direction.
  • Standard two flute design.
  • Standard spiral, helical flutes.
  • All drills have reduced shanks that are 1/2" in diameter.
  • Available in individual size drills or in sets.

Technical Data

  • Manufactured from cobalt steel.
  • Surface treated.
  • Black and bright finishes.


  • Special care should be exercised to avoid bending or shearing the reduced diameter drill shank.


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