Walter 01A020 5/16" SST 118 Degree Quick Shank Fractional Cobalt Jobber Drill

The proven original SST drill bit, made with a cobalt blend, is designed with an exclusive quick shank that ensures fast and secure tightening inside any keyed or keyless chucks. Ideal for cordless drills, allowing you to drill more holes per charge. Recommended for drilling on any type of thin gauge metal or sheet metal where a jobber's length bit is required. Ability to drill through multi-layers of metal quickly and easily.

Features:

• Made with premium grade cobalt HSS to drill harder materials
• Cobalt drills can drill approximately 30% faster than HSS drills
• Self centering 118° split-point for reduced thrust requirements and minimized walking
• Special bronze SST surface treatment for extreme lubricity and life
• Quick shank for easy installation into drill chucks and reduced slippage
• Back tapered body

Application:

• Drilling holes in high strength materials
• Heavy-duty drilling
• Drilling with handheld power tools

Technical Tips:

• Speed, feed, and lube are all critical to cutting tool performance