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๐ฉ Drill Smarter, Not Harder โ The Ultimate Step Drill Set for Every Pro & Maker
The RENNIE TOOLS 3-piece large HSS step cone drill set features titanium nitride coating for enhanced durability and sharpness. With three versatile sizes (3-12mm, 4-12mm, 4-20mm) and a 1/4" hex shank, it delivers precision hole cutting across a wide range of materials including steel, aluminum, wood, and plastics. Packaged in a sleek blue nylon pouch, this set is designed for both professional tradespeople and DIY enthusiasts seeking reliable, long-lasting performance.






| ASIN | B07RSZ4QHL |
| Best Sellers Rank | 59,844 in DIY & Tools ( See Top 100 in DIY & Tools ) 701 in Drill Bit Sets |
| Brand | Rennie Tool Company |
| Country Of Origin | China |
| Customer Reviews | 4.4 out of 5 stars 290 Reviews |
| Finish Types | Titanium Carbon Nitride |
| Finish type | Titanium Carbon Nitride |
| Manufacturer | Rennie Tool Company |
| Manufacturer Part Number | HSS3PCSTEPDRILLSET |
| Material | High Speed Steel (HSS) |
| Minimum Bore Diameter | 3 Millimetres |
| Number of Flutes | 2 |
| Number of Pieces | 3 |
| Point Style | Taper Point |
| Point style | Taper Point |
| Shank Type | Hex |
| Shank type | Hex |
| Surface Recommendation | Medium hardness and soft surfaces |
| Tool Flute Type | Spiral |
| Tool flute type | Spiral |
| Unit Count | 1 count |
R**L
Quality drill
Nice drill with multiple size. Sharp but only used once. Served its purpose.
B**R
Used for enlarging holes with stripped threads for rivnuts
I used these to enlarge some holes in a steel door with stripped threads so that I could fit rivnuts. They are good for the price at least for what I wanted. I would always drill a pilot hole first.
A**R
Good quality
I use in electrical work and is good quality
S**T
Bargain
Used the three bits over the past week. Have to say for the price (ยฃ3.99), absolute bargain. Iโm not using it on thick metal but have used it on 1.5mm metal and aluminium and it has worked really well, and very sharp. I inky bought them for what Iโm using them for as I think anything larger metal would snap the bit. For the price I think itโs a no brainer.
K**!
Sharp and do the job
Good sharp drill bits.
P**E
neat holes
Early first impression review ..smashing, I wanted to cut some various sized holes in plastic electronics boxes and these tools cut very nice neat holes like a knife through butter. and without even needing a pilot hole to start
T**N
Not great
Got blunt to quick only used twice on metal good on wood, I thought they would of been better quality job performance bad...
C**D
They do the job - for a while
Generally speaking they do the job. The pouch is useless and may as well go in the bin to be honest - I don't use it. The largest bit isn't that sharp on the smallest size, so you need to pilot with one of the smaller bits which is a bit of a pain. They're generally still sharp but aren't exactly going to outlive you. You get what you pay for o guess so can just buy another set when needed at this price.
Trustpilot
3 weeks ago
3 weeks ago