4mm/5mm Countersink Bit Screw Set Woodworking Wood Pilot Hole Hex Shank Drill Bits HSS4241 Adjustable Depth Chamfering Function

Features:
Precise Countersinking: This countersink bit set includes 4mm and 5mm drill bits, perfect for creating pilot holes and countersinks in wood.
High-Quality Construction: The main body is made of durable 45# carbon steel, ensuring strength and longevity. The HSS4241 drill bits offer exceptional hardness for efficient drilling.
Adjustable Depth: Equipped with a drill sleeve and adjusting screws, this set allows for easy depth adjustment, enabling precise and consistent drilling depths.
Convenient Chamfering: With its built-in chamfering function, these bits not only create countersinks but also provide smooth and clean chamfered edges for a professional finish.
Easy to Use and Durable: The hexagonal quick-change handle ensures easy bit changes, making it convenient for woodworking projects. This set is designed to be durable, providing reliable performance over time.

Specification:
Material: High-speed steel
Shank type: Hexagon
Hexagonal Quick-Change Handle with Drill Sleeve
Stop Drill Sleeve with Adjusting Screws
Chamfering Function
Optional Size: 4mm/5mm/4mm+5mm

Package Included:(optional)
4mm:
1 x 4mm Countersink Drill Bit
1 x Wrench

5mm:
1 x 5mm Countersink Drill Bit
1 x Wrench

Set:
2 x Countersink Drill Bits(4mm+5mm)
2 x Wrench

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