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Overview

Step drill - 14-step conical drill - Step drill - 4–42 mm with stepped structure - HSS with titanium coating - For wood, plastic and aluminium - 1 piece

Step Drill Bit - 4-42mm HSS Titanium Cone Drill Tool

Model: GYSLJ369
Web Code: 19881959
Sold and shipped by | 2.7 seller rating (50 reviews)

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Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

1 piece 14-stage taper drill (step drill) made of high-quality high-speed steel with titanium coating; suitable for wood, plastic, and aluminium; precision drilling from 4 to 42 mm in a single operation; Ideal for use with 36 V or 48 V cordless drills.

·Efficiency: No more frustration with repeatedly changing individual drill bits – all 14 diameters (4, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42 mm) integrated into a single step drill for seamless step drilling in wood, plastic (PVC), and aluminium, saving time and reducing tool clutter on site.

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·Durability: Titanium coating significantly reduces friction and operating temperature during drilling, extending tool life. Up to 2x faster than standard HSS drill bits — especially useful when working with abrasive materials such as aluminium and hard PVC.

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·Precision: The dual-edge design ensures balanced cutting force and efficient chip evacuation, resulting in clean, burr-free holes that are essential. for visible joints and flush fits in woodworking and metalworking.

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·Confidence: Optimized for cordless drills (36 V / 48 V) with clear speed indication (max. 1000 rpm; diameter >14 mm recommended on a bench drill) — eliminates guesswork and supports consistent, safe operation for various DIY and professional tasks.

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·Reliability: Combined cooling and corrosion resistance when used with water or coolant — maintains sharpness and prevents thermal deformation during prolonged use under demanding conditions, such as continuous drilling in aluminum or thick PVC.

· Specifications:

·Material: High-speed steel (HSS) with titanium coating

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·Quantity: 1 piece

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·Color: Gold (due to titanium coating)

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For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

Free standard shipping on all orders.

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

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See our return policy to find specific return information for this product and steps on how to return by mail.