Vulcan 492470OR PVB Cobalt Drill Bit Set, 17 Pieces

Made of M35 steel, 5 percent cobalt, with extra thick drill core for rigidity and strength. Used in applications such as stainless steel and space age alloys. All sizes 3/16" and larger have 3 flats on the shank for a better grip on the drill bit. The 135 degree split point eliminates the need for a center punch and keeps the drill from skating on hard materials. Includes (1) one each:  5/64, 3/32, 7/64, 9/64, 5/32, 11/64, 3/16, 13/64, 7/32, 15/64, 1/4, 5/16, 3/8" and (2) two each: 1/16", 1/8",  plastic case with rubberized grip panels.

Highlights:-

• Size : 1/16"-3/8"
• Extra thick drill core adds further rigidity and strength.
• Made with a special alloy of M35 steel containing 5 percent cobalt.
• Use on very hard or abrasive materials such as stainless steel and space age alloys.
• All sizes 3/16" and larger have 3 flats on the shank so that the drill chuck gets a better grip on the drill bit.
• 135 degree split point eliminates the need for a center punch and keeps the drill from skating on hard materials.
• Tough plastic case with rubberized grip panels.
• Carded