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PRECISION TWIST DRILL 042802 B Size 135° High Speed Steel Screw Machine Length Stub Drill

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Item #
  • Size Type: Letter
  • Size: B
  • Drill Point Angle: 135°
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38 In Stock Check Locations

MSRP: $6.52 /each
Qty Price Discount
1 - 11 $4.03 38%
12+ $3.63 44%
Product Specifications
More Information
Size B
Type Stub Screw Machine Twist Drills
Overall Length 2-1/2"
Model # 042802
Size Type Letter
Drill Point Angle 135°
Tool Material High Speed Steel
Finish Coating Black Oxide
Flute Length 1-3/8"
Cutting Direction Right Hand
Point Sharpening Type Split Point
Decimal Size 0.0238
Drill Type Stub Length
First Choice For: Steel
Flute Shape Standard Spiral, Helical Flute
Hardness 58 to 60 RC
No. of Flutes 2
Prop. 65 Yes
Series R42C
Shank Style Straight Shank
UNSPSC 23241635
Weight 0.02 lbs.
Workpiece Material Range Steel, Cast Iron, Plastics
zFlute Length_Inch_DONOTUSE 1/3/08
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.



  • Primarily designed for machining operations in screw machines.
  • Short length offers increased rigidity for machine drilling a variety of materials and alloys.
  • Best suited for drilling steel, cast steel, cast iron, or other alloyed or non-alloyed ferrous materials, they also work well for a variety of non-ferrous and non-metallic materials.
  • May be used with hand held manual drills and either portable or stationary machines.
  • For optimal performance and the best tool life, suitable lubricating/cutting oils or the appropriate coolant fluids are recommended.


  • Right hand (clockwise rotation) cutting direction.
  • Standard two flute design.
  • Standard spiral, helical flutes.
  • Straight shanks correspond to the drill diameter.
  • Stub lengths are proportional to the drill diameter.

Technical Data

  • Manufactured from high speed steel.
  • Precision ground flutes.
  • Cylindrically ground.
  • 118° point or 135° point angle and standard web thickness.
  • 135° split point is self-centering.
  • Steam tempered.
  • Black finished.
TTC Production
  • Black or bright finish depending upon our stock.
Nachi L6563
  • Sizes #1 thru #31: black oxide finish
  • Sizes #32 thru #52: bright finish


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