Cobalt Bronze Fractional Jobber Drill
The high red hardness of Drillco's M42 cobalt drills permit speeds 30% greater than HSS drills. Heavy duty construction made to Type J aircraft specs. For drilling holes in hard, tough materials such as stainless steel, titanium, and high strength alloys.
Features:
Made with premium grade cobalt HSS to drill harder materials
Cobalt drills can drill approximately 30% faster than HSS drills
Self centering 135° split-point for reduced thrust requirements and minimized walking
Bronze surface treatment for high lubricity
Nas Type J specifications
Jobber length for most use cases
Made in USA
Applications:
Drilling holes in high strength materials
Heavy-duty drilling
Drilling in stainless steel
Industry:
TRANSPORTATION
Sub Industry:
Aerospace
Technical Tip:
Speed, feed, and lube are all critical to cutting tool performance
