TD40 - Concave 4-1/4" Ballistic
Mincon has a comprehensive range of DTH Drill bits to suit all types of applications and drilling processes. There are a number of different drill bit head designs for the TD40 shank.
KEY FEATURES AND BENEFITS
-
Manufactured from premium alloy steels
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Proprietary heat treatment processes to provide maximum service life and durability
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Compressive residual stress layer added to improve metal fatigue resistance
SPECIFICATIONS
|
Minimum Hole Size |
in |
4-3/8 |
|
Number of Splines |
|
12 |
|
Height of Foot Valve above Strike Face |
in |
2.256 |
|
Length of Shank |
in |
8.23 |
|
Bearing Surface Diameter |
|
n/a |
|
Mincon DTH Hammers |
|
4HRTD |
