12 Pc Pro Grade Adjustable Wood Countersink Drill Bit Kit With Parabolic Flute And Tapered Bits, 9 64 Inch For Number Six Screws, Includes Two Depth Stop Collars, Quick Change Shank, Hex Wrench And Storage Case

12pc Pro Grade Adjustable Countersink Drill Bit Kit for #6
✔️ 12pc set with parabolic flute, 2 depth collars, quick-change shank

This 12-piece pro grade countersink drill bit kit is designed for precise countersinking of #6 screws in wood. It includes two depth stop collars (3/8"), a quick-change shank, parabolic flute bits, and a sturdy storage case for shop or home use.

✅ Parabolic flute design for fast chip evacuation and a clean hole finish
✅ 9/64 inch countersink (3.57 mm) fits #6 screws with a 3/8 inch plug size (9.53 mm)
✅ High-speed steel M2/Grade 6542 cutters with black oxide finish resist corrosion
✅ 1/4 inch hex shank fits standard quick-change chucks for easy swapping
✅ Includes two depth stop collars (3/8") and a durable plastic storage case (7.4 x 5.1 x 0.8 in / 188 x 130 x 20 mm)

💡 What is a countersink drill bit kit used for and how does parabolic flute improve performance?

Here's a handy overview for choosing countersink tools.

- Creates flush screw heads in wood with a conical recess

- Parabolic flute speeds chip removal and reduces tear-out

- Adjustable depth collars enable repeatable screw depth

- 1/4-inch hex shank fits common quick-change chucks