Walter Surface Technologies
Thunderbit® T2HD Black & Bronze Jobber Drill Bit, High Speed Steel, #21, 3-1/4" L, 2-1/8" Flute, 135° Point Angle
$45.96
SKU: TCU914
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- Unique spiral flute design improves chip ejection and coolant flow
- Heavy-duty core for increased strength and reduced breakage
- 135° self-centering split point to prevent walking
- Black and Gold surface treatment for added lubricity and higher drilling speeds
- Jobber length for most general applications
Specifications
Material
High Speed Steel
Drill Size
#21
Overall Length
3-1/4"
Flute Length
2-1/8"
Point Angle
135°
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