Your fall top sellers are here. Check out what’s trending this season. Shop Now >

Link to Lowe's Home Improvement Home Page

Prices, Promotions, styles, and availability may vary. Our local stores do not honor online pricing. Prices and availability of products and services are subject to change without notice. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted.

IRWIN 8-Piece Assorted High-speed Steel Jobber Length Twist Drill Bit Set

Get Pricing & Availability

Tapered drill with widened flutes for drilling fast, clean pilot holes
Adjustable four-cutter counterbore cuts and clears chips quicker for fast, smooth countersinking
Counterbore attaches to flats on shank with two hex screws for a secure fit, and can be adjusted for controlled pilot hole depth

Best Price. Guaranteed

Find a lower price on an exact item? We'll match it. Some exclusions apply.

FREE Returns

Return it in store or ship it back for free. Eligibility rules apply.

FREE Shipping

Delivery is on us for orders over $45. Some exclusions apply.

The IRWIN Wood Countersink Set is perfects for creating variable-sized countersink holes quickly. With tapered drills and widened flutes, these bits have adjustable four-cutter counterbores that attach to flats on the shank to clear chips quickly and can be adjusted to control the pilot hole depth. This set includes #4, #6, #8, #10, #12, #14, countersinks and Depth Stop (2).

Tapered drill with widened flutes for drilling fast, clean pilot holes
Adjustable four-cutter counterbore cuts and clears chips quicker for fast, smooth countersinking
Counterbore attaches to flats on shank with two hex screws for a secure fit, and can be adjusted for controlled pilot hole depth
1/4-In quick-change shank reduces slipping in standard chucks and is compatible with all 1/4-in quick-change chucks, including impact drills