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 135º split point reduces the thrust requirements and minimizes walking.
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
