Item number: AR7169

Product description:

• Type Countersink Drill Bit Set

• Color Red & Silver

• Material M2 HSS + HCS

• Shank Diameter 1/4 Inch

• Shank Type 1/4" Hex shank

• Number of Pieces 6

• Sizes 7/64"×3/8", 1/8"×3/8", 9/64"×3/8", 5/32"×3/8"

• Drill Bit Type Router Bits

• Tip Angle 82 degrees

• Flutes Four-Blade

• Compatibility Electric Drill / Impact Driver

• Use for DIY woodworking, furniture assembly, cabinet hardware drilling

• Features Adjustable Depth Stop, Quick Change, Anti-Slip Base, Precision Drilling

• Model Countersink Drill Bit Set with Adjustable Depth Stop

• Application Wood, MDF, Plywood, Particle Board, Aluminum, Plastic

• Package Includes 4 Bits + Hex Wrench + Adjustable Depth Stop Drill Guide

• Upgrade your woodworking precision with this 4PCS Countersink Drill Bit Set with Adjustable Depth Stop. Each bit features an M2 HSS tapered pilot drill paired with HCS four-blade countersink cutters, delivering fast, smooth, and clean hole edges. The adjustable depth-stop collars allow you to precisely control both drilling and countersinking depth, making it ideal for consistent, repeatable woodworking tasks. Compatible with natural wood, MDF, plywood, particle board, plastic, aluminum, and non-ferrous metals, this set is perfect for cabinetry, furniture making, DIY repair, and professional woodworking. Includes an L-shaped hex wrench for quick adjustments.

• Features:

• 4-Piece Tapered Pilot Countersink Set: Included 7/64"×3/8", 1/8"×3/8", 9/64"×3/8", 5/32"×3/8" — covers the most common woodworking screw sizes.

• M2 HSS + HCS Four-Blade Design: M2 HSS pilot drill provides sharp, efficient cutting; HCS four-edge countersink delivers clean 82-degree screw seats.

• Professional 82° Countersink Angle: Matches U.S. standard screw heads, ideal for woodworking fasteners. Greater stability when fitting wood, preventing drill bit drift.

• Smooth, Clean, Non-Burning Holes: Four-blade design reduces burrs, improves chip removal, and prevents burning or chattering.

• Adjustable Depth Stop: Precisely set the drilling depth by rotating the scale ring, suitable for repeat drilling, cabinet installation, and wood joinery.

• Precise Laser Scale: Clear graduations for quick depth setting, suitable for professional woodworking and DIY.

• 1/4" Hex Quick Change Shank: Compatible with all electric drills and impact screwdrivers, enabling quick drill bit changes for higher efficiency.

• Includes Wrench for Quick Adjustment: Comes with an L-shaped hex wrench for adjusting depth stops anytime.

• Wide Material Compatibility: Works on wood, MDF, plywood, particle board, plastic, aluminum & soft metals.

• Multi-purpose Woodworking Drilling Tool: Suitable for furniture assembly, cabinet hardware drilling, board hole positioning, dovetail drilling, and home DIY.

Package included:

• 4 x Countersink Drill Bit

• 1 x Adjustable Depth Stop Drill Guide

• 1 x Hex Wrench