Two-Flute Counterbore with Depth Stop

Adjustable Depth Two-Flute Countersink Drill Bit Set Alloy Countersink Drill Step Drill Bit for Concealed Screws 

FEATURES

Aluminum Upgraded Limit Ring

Stops upon board contact, reduces friction. The newly upgraded countersink drill features a limit ring/body made of aluminum alloy. During use, the limit ring stops immediately upon contacting the wood.

Cutter Head Wear-Resistant & High-Temperature Resistant

The cutter head is made of high-quality 6542 steel, featuring high hardness, corrosion resistance, rust prevention, and high-temperature resistance.

Adjustable with Scale Precise Countersink Limiting

Fixed with hexagon socket screw card slot, adjustable as needed. Laser engraved, clear and wear-resistant, for more precise countersinking.

Quick Positioning for Drilling Multiple Diameter Options

Fixed with hexagon socket screw card slot, adjustable as needed. Laser engraved, clear and wear-resistant, for more precise countersinking.

Wide Range of Applications

Effectively prevents chip accumulation, high-speed operation for quick chip removal, improving efficiency. Suitable for pine, beech, walnut, ash and other woods.

SPECIFICATIONS

• Material: Premium Aluminum Alloy + 6542 Steel
• Countersink Diameter: 2.8 ~ 4.0mm
• Center Drill Diameter Range: 3.2-4.8mm
• Total Length: 65mm
• Adjustable Length: 24mm
• Compatible Models: Hand Drill / Drill Driver / Drill Press

PACKAGE INCLUDES

• 1 × Two-Flute Bearing Type Countersink Drill 4-Piece Set

NOTE

• The center drill should not be adjusted too long, otherwise it may wobble and cause the drill core to break.
• Please operate under professional guidance to ensure safety.
• Wear protective glasses during use. Avoid using on wood containing metal, nails or other hard objects.