M2 HSS Quick Change Step Drill Bit Set 1/2in 1/2in & 7/8in - Cleaner

In this review the M2 HSS Quick Change step drill bit set is evaluated for metalworkers, fabricators, and DIYers who need fast, accurate holes in stainless steel, aluminum, copper, wood and plastic. The single biggest reason to consider these bits is the M2 HSS construction combined with polished steps and size highlights, which together deliver noticeably cleaner cuts and let the operator see the target size without stopping. For those who use impact-ready drivers and value quick bit swaps, this kit is a clear time saver.

Key Features

• M2 HSS construction: Higher tungsten and molybdenum content with vacuum heat treatment provides improved edge life and tougher performance on hard metals.
• Polished steps with size highlights: Polished cutting steps and visible size marks let you monitor hole size during drilling so you do not need to stop and check frequently.
• Quick change hex shank: The 1/4 in hex shank enables fast bit swaps and compatibility with impact-ready drivers for more efficient work.
• Double fluted design: Double flutes help evacuate chips and reduce clogging, producing cleaner holes in materials like plexiglass and thin stainless.
• Multi-size kit: Three bits in one set cover a range of hole sizes so you can tackle multiple diameters without changing to many separate bits.

Who It's For

This set is best for tradespeople, metal fabricators and hobbyists who frequently drill through thin sheet metals, plastics and softer woods and want a reliable quick-change option that works with impact drivers. The M2 HSS chemistry and surface treatments make these bits well suited for stainless steel and aluminum tasks where cleaner cuts are important.

It is less appropriate for users who only need occasional large-through holes in very thick steel plate or who require a very wide range of precision-sized single-diameter bits; a dedicated solid drill set or thicker specialized bits would be a better fit for those specific heavy-duty jobs.

Pros & Cons

Pros

• Cuts cleanly and quickly in sheet metals thanks to M2 HSS and polished steps.
• Visible size highlights mean fewer interruptions and faster work flow.
• Quick change hex shank is compatible with impact-ready tools for easy swapping.

Cons

• Some users report mixed durability on heavy use, so extreme continuous high-torque applications may wear or break bits faster.

Specifications

Brand	Jerax tools
Material	M2 high speed steel with vacuum heat and nitride surface treatment
Shank	1/4 in quick change hex
Bit count	3 pieces (step drill bits)
Compatible materials	Stainless steel, copper, aluminum, wood, plastic
Cutting style	Double fluted, polished steps with size highlights

Our Verdict

The M2 HSS Quick Change step drill bit set is a strong value for anyone who needs fast, clean holes across a mix of sheet metals and softer materials and who uses impact-ready drivers. Its M2 chemistry and polished steps reduce stopping and produce neater cuts, making it a practical, time-saving addition to a workshop, though users performing extreme heavy-duty drilling should consider heavier specialty bits.

Frequently Asked Questions

Will these bits work in an impact driver?
Yes, the 1/4 in quick change hex shank is made to be compatible with impact-ready drivers and quick-change chucks.

Can these drill through stainless steel?
Yes, the M2 HSS construction and heat treatments are intended to cut stainless steel and other hard sheet metals effectively.

Do you need to stop to check hole size?
No, the polished steps and visible size highlights let you monitor progress and stop at the target size without interrupting the cut as often.