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Milwaukee Tool 3/8-inch Thunderbolt Cobalt Twist Drill Bit

Model # 48-89-2321|Store SKU # 1000657027

Overview

Model # 48-89-2321 Store SKU # 1000657027

The Milwaukee 48-89-2321 3/8 -Inch Thunderbolt Cobalt drill bits are designed for extreme durability and long life in specialty applications. 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.

  1. 135° split point, precision start (no walking)
  1. Extended length for hard to reach areas
  1. Specialty bit for cast iron and stainless steel
  1. 3-flat secure grip shank reduces bit slipping in chuck
  1. Variable helix design for fast material removal
  1. Chip breaker decreases heat build up
  1. Stays sharper longer
  1. Includes: (1) 3/8-inch Thunderbolt Cobalt Twist Drill Bit

Specifications

Dimensions

Assembled Depth (in inches)
0.24
Assembled Height (in inches)
1.5
Assembled Weight (in lbs)
7.9
Assembled Width (in inches)
0.3
Packaged Depth (in inches)
1.87
Packaged Height (in inches)
0.41
Packaged Weight (In lbs)
0.12
Packaged Width (in inches)
6.75

Details

Arbor Included
No
Bit Diameter (In.)
3/8
Bit Length (In.)
5-1/8
Bit Material
Cobalt
Certified
Yes
Country of Origin
CN-China
Drill Bit Type
Hammer Drill Bit
Individual/Set
Individual
Material Application
Wood and Metal
Number of Pieces in Set
1
Power Source
Cordless
Power Tool Accessory Features
Universal
Power Tool Accessory Type
Twist Drill Bits
Shank Diameter (In.)
2/5
Shank Type
3-Flat
Tip Material
Cobalt

Warranty / Certifications

Tel #: 1-800-628-0525
3/8-inch Thunderbolt Cobalt Twist Drill BitMilwaukee Tool 3/8-inch Thunderbolt Cobalt Twist Drill BitThe Milwaukee 48-89-2321 3/8 -Inch Thunderbolt Cobalt drill bits are designed for extreme durability and long life in specialty applications. 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.
Milwaukee Tool
1000657027
CAD27.95
The Home Depot Canada
3/8-inch Thunderbolt Cobalt Twist Drill Bit is rated 3.9 out of 5 by 149.
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Rated 5 out of 5 by from Worked great on heavy metal green posts.... Worked great on heavy metal green posts.
Date published: 2021-08-28
Rated 4 out of 5 by from Rating provided by a verified purchaser... Rating provided by a verified purchaser
Date published: 2021-07-23
Rated 1 out of 5 by from Does not drill metal well in a hand drill... Does not drill metal well in a hand drill
Date published: 2021-07-20
Rated 5 out of 5 by from Best bit's I have ever used. Extremely sharp and durable. Best bit's I have ever used. Extremely sharp and durable.
Date published: 2021-07-16
Rated 1 out of 5 by from Rating provided by a verified purchaser... Rating provided by a verified purchaser
Date published: 2021-05-05
Rated 4 out of 5 by from Rating provided by a verified purchaser... Rating provided by a verified purchaser
Date published: 2021-05-04
Rated 5 out of 5 by from Blows through steel like a hot butter knife.... Blows through steel like a hot butter knife.
Date published: 2021-04-22
Rated 4 out of 5 by from worked well on hard metal... worked well on hard metal
Date published: 2021-04-22
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is this drill bit for wood? how long is the twist part?

is this drill bit for wood? how long is the twist part?
Asked by: ice
Wood and metal.Twist section is 3 inches long.
Answered by: Banker
Date published: 2021-07-16

Is it for steel. Top rail of a chain link fence

Is it for steel. Top rail of a chain link fence
Asked by: joe
Yes.
Answered by: Jason
Date published: 2019-01-20
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