3Pcs Golden 4-12 3-12 4-20 Step Drill Bit Set, HSS Titanium Step Drill Bits for Metal,Straight Groov

3-Piece Golden Step Drill Bit Set Titanium Coated HSS Steel

Make Clean, Accurate Holes in Seconds Without Swapping Bits!
This 3-piece titanium step drill bit set is engineered for DIY enthusiasts, plumbers, electricians, sheet metal fabricators, and professional tradespeople. Whether you're drilling into steel, aluminium, brass, copper, wood, or plastic, these high-speed steel (HSS) bits with a titanium coating offer superior durability and smoother results.

Key Features:

Premium HSS Construction
Made from high-speed steel, these drill bits resist wear and heat for long-lasting performance.

Titanium Plating
Reduces friction and increases wear resistance, giving you smoother drilling and cleaner holes.

Split-Point Tip Design
Starts drilling on contactno pilot hole neededfor faster starts and cleaner cuts.

Two-Flute Spiral Design
Efficiently clears chips and debris while reducing the pressure required for each cut.

1/4" Hex Shank Compatibility
Secure fit with standard drill chucks, rotary tools, and impact driversno slipping!

Impact-Driver Optimized
Built tough to handle high-torque tools and rotary drills, making them perfect for heavy-duty use.

Drill Bit Sizes:

• 412mm in 2mm steps (6 steps)

• 312mm in 2mm steps (9 steps)

• 420mm in 2mm steps (12 steps)

• Shank: 1/4" (6mm) Hex Shank for secure grip

Perfect For:

• Sheet Metal Work

• DIY & Home Renovation Projects

• Electrical Installations & Conduit Work

• Plumbing Jobs

• Woodworking & Plastic Fabrication

• Automotive Modifications

• Workshop Drilling Needs

Pro Tip / Use Case Idea:

For ultra-clean holes in thin metals, apply cutting oil and drill at low speed. This increases precision and extends bit life.

Use case: Perfect for enlarging holes in electrical boxes, drilling through steel shelving, or adding holes to plastic storage containers with precision and ease.

Pair It With:

Our Rotary Tool Accessories Kit Get more control over smoothing and deburring after drilling for a professional finish!

Our Customer Promise:

7-Day Guarantee: Return your set within 7 days for a refund (courier at buyers expense)
7-Day Warranty: Defective or damaged item? We'll replace or refundno hassle.
Support Local: Proudly South African! Your purchase helps grow a local small business committed to reliable, friendly service.

SPECIAL OFFER:

FREE Shipping Refund on Orders Over R700!