UAL901-Triumph® ThunderBit® Heavy-Duty BP1HD+ Jobber Drill Bit

• 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°

Additional Specifications

• Finish: Black & Bronze Oxide
• Point Type: Split
• Shank Type: 3 Flats