Milwaukee 48-89-2840 3/8" THUNDERBOLT Black Oxide Drill Bit
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Manufacturer Milwaukee Tool
Mfg Catalog # 48-89-2840
North Coast Part # 1352239


  • Extreme durability: Thicker web provides greater strength and longer life
  • Fast, accurate drilling: 135° split point tip starts on contact to prevent walking, while the parabolic flute clears chips fast
  • Reduced slipping: 3-Flat Secure-Grip™ shank holds the bit firmly in the drill chuck
  • Corrosion resistant: Black oxide coating provides lubricity and resists corrosion of the bit


  • (1) 3/8" Thunderbolt® Black Oxide Drill Bit (6 PK) (48-89-2840)


  • Pack Qty: 6 Pack
  • Length: 5"
  • Coating: Black Oxide
  • Shank: 3-Flat
  • Flute Length: 3-5/8"
  • Application: Metal|Wood|Plastic
  • Diameter: 3/8"
  • Size: 3/8"
  • Decimal Equivalent: 0.375


UPC 04524218468
GTiN 00045242184682
Finish Black Oxide
Diameter 3/8 in
Shank Type 3-Flat Round
Pkg Qty 6 Pack
Coating Black Oxide
Family Brand Name Milwaukee
Flute Length 3-5/8 in
Overall Length 5 in
Point Angle 135
Sub Brand Thunderbolt
Length 5 in
Size 3/8 in

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