Irwin 3018002 29-Piece M35 Cobalt Drill Bit Set
Irwin 3018002 is a 29-piece fractional drill bit set made from M35 high-speed steel with 5% cobalt. It covers 1/16 through 1/2 inch in 1/64-inch increments, with 135-degree split points and reduced shanks on sizes above 3/8 inch. The supplied metal index case organizes the bits by size for selection during metal-drilling work.
Specifications and included details
- 29 fractional sizes from 1/16 to 1/2 inch in 1/64-inch increments.
- M35 high-speed steel with 5% cobalt; 135-degree split point.
- Bits larger than 3/8 inch have reduced shanks for 3/8-inch chucks.
- Rubber-overmolded metal index case and tap/drill selection chart.
Before ordering
Check the hole size, shank fit and workpiece material separately. A reduced shank changes chuck fit, not the cutting diameter, and split-point geometry does not remove the need to follow appropriate drilling technique.
Product questions and answers
What sizes are in Irwin 3018002?
The set contains 29 fractional sizes from 1/16 through 1/2 inch, spaced in 1/64-inch increments.
Will the larger bits fit a 3/8-inch chuck?
The supplied specifications list reduced shanks on bits larger than 3/8 inch for 3/8-inch chuck compatibility.
Is this an M35 cobalt set?
Yes. The listed material is M35 high-speed steel containing 5% cobalt.
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