Product image for Milwaukee 48-89-2830 7/32" THUNDERBOLT® Black Oxide Drill Bit (6 Pack)
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Milwaukee 48-89-2830 7/32" THUNDERBOLT® Black Oxide Drill Bit (6 Pack)

Manufacturer: Milwaukee Tool | Catalog # 48-89-2830 | Codale Part # 3329819
$1.71/ea
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Milwaukee® Thunderbolt® black oxide jobber length drill bits are designed for extreme durability and long life. The Thunderbolt® web features a thicker core than a standard drill bit, which provides ultimate strength and protects against side-load breakage. A specially designed parabolic flute form clears chips and debris fast to keep the bit cool. A precision start, 135 split point tip starts on contact to keep the bit from walking for fast accurate holes. Excellent for drilling on curved surfaces, requires less effort to drill and is highly recommended for use with portable drills. The 3-flat secure-grip shank won't slip in the drill chuck. Reduced shank diameter for use in 3/8 in. chucks.

Technical Information

Applications
For Used to Drill Cast Iron, Steel and Steel Forgings
Bit Size
0.22 in
Bit Type
Twist
Coating
Black Oxide
Cutting Direction
Right
Material
Steel
Number of Pieces
12
Point Angle
118
Shank Size
7/32 in
Shank Type
Round
Size
7/32 in
Type
Jobber Length Twist Drill Bit

Packaging

Pkg Qty
12 Pack

Manufacturer Information

Brand
Milwaukee Tool
Sub Brand
Thunderbolt®

General Product Info

12-Digit UPC
045242184583
Finish
Black Oxide
Product UPC
04524218458
Used With
Portable Drills
Weight
0.0300 lb

Dimensions

Diameter
7/32 Inch
Length
3-3/4 Inch
Shank Diameter
7/32 IN
Features
  • Extreme durability: thicker web provides greater strength and longer life
  • Fast, accurate drilling: 135-degree 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
  • Versatile: reduced shank diameter for use in 3/8 in. chucks
  • Corrosion resistant: black oxide coating provides lubricity and resists corrosion of the bit
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