4-Flute Countersink Drill Bit with Depth Stop | 1/4" Hex Shank
4-Flute Countersink Drill Bit with Depth Stop | 1/4" Hex Shank
4-Flute Countersink Drill Bit with Adjustable Depth Stop — 1/4" Hex Shank
Take the guesswork out of countersinking with this precision-engineered 4-Flute Countersink Drill Bit. Whether you're drilling into wood, metal, or plastic, the built-in depth stop and etched depth scale ensure accurate, repeatable results every single time. The 1/4" hex shank fits virtually any standard drill driver, making this a versatile addition to any workshop or job site.
Made in Mainland China.
Key Features
- Semi-Automatic Depth Adjustment: Delivers quick and precise depth setting for accurate, consistent countersinks with every pass.
- High-Quality 6542 Steel Bit: Crafted from durable 6542 steel for superior longevity, heat resistance, and rust prevention — built to handle demanding, repeated use.
- Instant-Stop Function: An aluminum limit ring paired with a bearing provides immediate stopping the moment the depth target is reached, preventing over-drilling.
- Adjustable Depth Scale: Clearly etched markings allow for easy, at-a-glance depth adjustments so you stay precise throughout your project.
- Replaceable Center Drill Bits: Comes with 5 interchangeable center drills, offering versatile applications and fast tool changes without downtime.
- Universal 1/4" Hex Shank: Fits standard drill drivers and impact drivers right out of the box — no adapters needed.
Specifications
| Material | Aluminum alloy body + 6542 steel bit |
| Colors Available | Red, Blue |
| Overall Size | 170 × 100 mm |
| Shank Diameter | 6.35 mm (1/4" Hex) |
| Compatible Materials | Wood, Metal, Plastic |
What's in the Box
- 1 × Countersink Drill Bit with Depth Stop
- 5 × Center Drill Bits (replaceable/interchangeable)
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Note: Screen colors may vary slightly from actual product. Please allow minor measurement tolerances of ±1–2 mm.
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Frequently Asked Questions
Q: What materials can this countersink drill bit be used on?
A: This 4-flute countersink drill bit is designed for use on wood, metal, and plastic, making it a versatile tool for woodworking projects, metalworking tasks, and general DIY drilling applications.
Q: How does the depth stop work on this countersink bit?
A: The depth stop features an aluminum limit ring and bearing assembly that halts the bit automatically when the preset depth is reached. The clearly etched depth scale on the body lets you dial in your exact target depth before you start drilling, ensuring consistent countersinks across multiple holes.
Q: Are the center drill bits replaceable or interchangeable?
A: Yes! The kit includes 5 interchangeable center drill bits. When a bit wears down, simply swap it out for a fresh one. This design also allows you to switch bit sizes quickly for different hole diameters without changing the entire tool.
Q: Will the 1/4" hex shank fit my existing drill driver?
A: The 6.35 mm (1/4") hex shank is the industry-standard size and is compatible with virtually all cordless and corded drill drivers, as well as most impact drivers that accept quick-change hex-shank accessories.