TCU921 - Thunderbit® T3HD Black & Bronze Jobber Drill Bit

Specifications:

• Material: High Speed Steel
• Drill Size: I
• Overall Length: 4-1/8"
• Flute Length: 2-7/8"
• Point Angle: 135°

Description

• 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