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  11. 1/4" Thunderbolt Black Oxide Drill Bit
Milwaukee Tool 1/4" Thunderbolt Black Oxide Drill Bit 48-89-2722 - main

1/4" Thunderbolt Black Oxide Drill Bit

  • Mfr # 48-89-2722

  • Zoro # G7514875

product price: $2.29
/ea

Key Features

Drill Bit Size
1/4 in
Overall Length
4 in
Drill Bit Point Angle
135 Degrees
Material
High Speed Steel
Finish
black oxide
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Specifications

Product Information

MFR #
48-89-2722
Zoro #
G7514875
UPC #
045242166916
Country of Origin
China

Dimensions

Drill Bit Size
1/4 in
Overall Length
4 in
Drilling Depth
2-3/4 in
Shank Dia.
1/4 in
Flute Length
2 3/4 in
Drill Length Class
Jobber-Length

Details

Item
Jobber Length Drill Bit
Drill Bit Point Angle
135 Degrees
Material
High Speed Steel
Finish
black oxide
Number of Flutes
2
Shank Type
Straight
Impact Rated
No
Cutting Direction
Right Hand
Features
135 Degrees Split Point, 3-Flat Secure Grip Shank, Thunderbolt(R) Web, Parabolic Flute
Decimal Equivalent
0.25
Shank Type - Machining
Straight with Three Flats
Finish - Machining
Black Oxide
Flute Type
Parabolic
Measurement System
Fractional Inch
Web Construction
Tapered
Drill Bit Point Type
Split Point
Primary Material Application
Aluminum, Plastic, Steel, Wood
Material - Machining
High Speed Steel
Standards
Not Rated
List Number
Thunderbolt
Point Type
Split Point
Material Grade - Machining
Heavy Duty
Spiral Direction
Right Hand
Coolant Fed
Non-Coolant Through

Description

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 to provide ultimate strength and protect against side-load breakage. A specially designed parabolic flute form clears chips fast, while the 3-Flat Secure-Grip shank holds the bit firmly in the drill chuck. The 135° split point tip delivers a precision start and prevents walking for fast, accurate holes. Effective for drilling on curved surfaces, Milwaukee Thunderbolt Black Oxide bits require less effort to drill through metal, wood and PVC, and are highly recommended for use with portable drills.

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