🔩 3-Piece Spiral Step Drill Bit Set – Multi-Size Hole Cutter with 1/4" Hex Shanks
🔩 3-Piece Spiral Step Drill Bit Set – Multi-Size Hole Cutter with 1/4" Hex Shanks
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🔩 3-Piece Spiral Step Drill Bit Set – Multi-Size Hole Cutter with 1/4" Hex Shanks
MULTI-SIZE DRILLING MADE SIMPLER
ONE BIT.
MORE HOLE SIZES.
Tired of swapping drill bits every time you need a different hole size? This spiral step drill bit lets you start small and enlarge holes progressively without changing bits for every diameter.
LESS SWITCHING · MORE WORKING
Stop the Bit-Swap Shuffle.
Different hole diameters often mean stopping to change drill bits. With a stepped cutting profile, multiple hole sizes are available on one tool within its working range.
STANDARD BITS
Change to another bit when a different diameter is needed.
STEP DRILL BIT
Move through different diameters using one stepped bit.
START SMALL · STEP UP
The Right Diameter, One Step at a Time.
Begin at the pointed tip and advance through the cutting steps to enlarge the opening. Stop at the diameter your project requires.
1
Mark & Secure
Mark the drilling position and clamp the workpiece firmly.
2
Begin at the Tip
Start with the smallest cutting section using suitable drill settings.
3
Advance to Size
Progress through the steps and stop at the required diameter.
SPIRAL CUTTING DESIGN
Built to Move Chips Out.
Deep spiral flute channels provide a path for metal shavings to move away from the cutting area. The stepped cutting edges create progressively larger openings.
🌀 Spiral Flutes
Channels help carry chips away from the drilling zone.
🔩 Stepped Edges
Multiple cutting diameters arranged along one bit.
COMPATIBLE DRILL CONNECTION
A Familiar 1/4-Inch Hex Shank.
The six-sided shank is designed to fit a compatible drill chuck or bit holder. Its shaped profile provides a defined gripping surface for the tool.
1/4" Hex Profile
A 6.35 mm hexagonal shank design.
Secure Connection
Check fit and secure the bit properly before drilling.
READY FOR PRACTICAL PROJECTS
Make Room for the Next Fix.
Whether you're preparing mounting brackets, adjusting holes in suitable sheet metal or working on workshop repairs, a stepped bit gives you more diameter choices without reaching for a different bit each time.
🔧 Mounting Brackets
Create or enlarge holes for suitable hardware projects.
⚙️ Metal Panels
Adjust opening sizes in appropriate sheet-metal work.
THREE BITS · THREE SIZE RANGES
Choose the Bit That Fits Your Job.
The three-piece collection covers different stepped drilling ranges, giving you a choice for smaller openings and wider hole requirements.
3-Piece Collection
Different drilling ranges for varied projects.
Hex Shank Design
Each pictured bit uses a 1/4-inch hex shank.
FROM PLANNING TO PROGRESS
Make Every Project Count.
Measure, clamp and drill with a bit suited to your task. From custom brackets to weekend workshop builds, keep your attention on the project rather than the next bit change.
PRODUCT DETAILS
Specifications at a Glance.
Spiral Step Drill Bit Set
3 Drill Bits
Multi-Step Cutting Profile
Spiral Flutes
1/4" Hex Shank
6.35 mm
3/16"–7/8"
1/8"–1/2"
1/4"–3/4"
Brackets & Metal Panels
GOOD TO KNOW
Frequently Asked Questions.
What is a step drill bit used for?
A step drill bit creates or enlarges holes through a series of cutting diameters, allowing multiple hole sizes within the bit's range.
How many drill bits are in the set?
The pictured set contains three spiral step drill bits with different diameter ranges.
What do the spiral flutes do?
The spiral channels provide a route for metal shavings to move away from the cutting area during drilling.
Will these bits fit my drill?
They feature 1/4-inch hex shanks. Check your drill chuck or bit holder for compatible fit and secure retention before use.
What should I do before drilling?
Clamp the workpiece, wear appropriate eye protection, select settings suitable for the material and keep hands clear of the rotating bit and sharp shavings.
MAKE YOUR NEXT PROJECT SIMPLER
Less Bit Changing. More Project Progress.
Three spiral step drill bits, multiple hole diameters and convenient hex shanks. Keep a flexible drilling option ready for your next workshop project.
NC0311
