6-Piece Countersink Drill Bit Set, Pre-Drilling and Countersinking in One Step, with Depth Stop, 1/4 Inch Hex Shank

6-Piece Countersink Drill Bit Set, Pre-Drilling and Countersinking in One Step, with Depth Stop, 1/4 Inch Hex Shank Description

Efficient All-in-One Tool: This set combines pre-drilling, countersinking, and depth control into a single operation, eliminating the need for multiple tool changes. Ideal for countersunk screws (3-12 mm diameter), it can save to 70% of your working installations and renovations, significantly reducing the chance of errors.
Consistent Precision: Featuring an integrated metal stop , our drill bits ensure uniform depth with each use, preventing over-drilling and producing clean, burr-free countersinks. This feature makes it easy to achieve professional results, even for beginners, ensuring that screw heads sit flush and invisible.
Superior Durability with HSS-M2 Steel: Constructed from high-quality material for hardness between 62-64 HRC, our drill bits offer exceptional heat and wear resistance. They outlast standard countersinks by to 300%, allowing for precise drilling in hardwood, , and wood composites over extended periods.
Universal Compatibility: Equipped with a 1/4 inch (4.0 mm) industry-standard hex shank, these drill bits fit all cordless drill drivers featuring a bit holder. This design ensures non-slip power transmission even under high torque, preventing the bits from tilting during use.
Comprehensive Professional Kit: This set includes four precision-calibrated countersinks (diameters 2.8, 3.2, 3.5, and 4.0 mm), covering 95% of all wood screws. A durable storage block is included to protect the cutting edges and organize the bits, making it an essential tool for furniture assemblies.

Packaging Details:
1 * Stop limit countersink drill
4 * Drill Bits (2.8 x 8 mm, 3.2 x 8 mm, 3.5 x 10 mm, 4 x 10 mm)
1 * Small Wrench
Color: As Shown
Material: Metal

Package Contents:
6-Piece * Countersink Wood Drill Bit with Depth Stop