Walter Surface Technologies
Triumph® ThunderBit® Heavy-Duty BP1HD Jobber Drill Bit, High Speed Steel, 7/16", 5-1/2" L, 4-1/16" Flute, 135° Point Angle
$20.50
SKU: UAL868
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- Unique spiral flute design improves chip ejection and coolant flow to the point
- The heavy-duty core guarantees increased strength and reduced breakage
- 135° self-centering split point prevents “walking" and provides quick penetration
- Friction-reducting black & bronze oxide surface treatments for higher drilling speeds
Specifications
Material
High Speed Steel
Drill Size
7/16"
Decimal Drill Size
0.4375"
Overall Length
5-1/2"
Flute Length
4-1/16"
Point Angle
135°
Finish
Black & Bronze Oxide
Point Type
Split
Country Of Origin
United States
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