High Speed Steel Black & Gold Fractional Heavy Duty Jobber Drills
Heavy-duty construction makes these drills suitable for more demanding applications. Designed for efficient drilling in stainless steel and tougher ferrous materials. The 135°split point reduces the thrust requirements and minimizes walking. Black & Gold
Features:
Made from general purpose HSS
Self centering 135° split-point for reduced thrust requirements and minimized walking
Black oxide surface treatment for improved life
Jobber length for most use cases
Applications:
Drilling holes in medium and high strength materials
Heavy-duty drilling
Technical Tip:
Speed, feed, and lube are all critical to cutting tool performance
