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jelbo hss step drill bit sets for diy woodworking and metalworking: hex shank, multiple hole sizes, and impact driver compatibility (3pcs/set 4-12/4-20/4-32mm) logo

JelBo HSS Step Drill Bit Sets For DIY Woodworking And Metalworking: Hex Shank, Multiple Hole Sizes, And Impact Driver Compatibility (3Pcs/Set 4-12/4-20/4-32Mm) Review

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Revainrating 3 out of 5  
Rating 
3.0
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Details

MaterialMetal
Finish TypeTitanium
Shank TypeHex
BrandCrawl
Item Dimensions LxWxH4 x 2.2 x 1.1 inches

Description of JelBo HSS Step Drill Bit Sets For DIY Woodworking And Metalworking: Hex Shank, Multiple Hole Sizes, And Impact Driver Compatibility (3Pcs/Set 4-12/4-20/4-32Mm)

【QUALITY MATERIALS】Forged from titanium coated high speed steel.Make these step drill bits has high hardness. 【EFFICIENT OPERATION】In the drilling process, the step drill bits shakes less than the twist drill bits, and has a clear scale mark. 【MULTI PURPOSE】This set of step drill bits is suitable for drilling of thinner stainless steel, carbon steel, aluminium plate, iron plate and other materials. 【ANTI-SKID DESIGN】The hex shank of step drill bits adopts groove design, help the electric drill clamp it more firmly, prevent sliding or falling off during rotation. 【VARIOUS SPECIFICATIONS】The step drill bits set has 29 different apertures. They can process different kinds of diameter holes, which greatly saves you a lot of trouble.

Reviews

Global ratings 2
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Type of review

Revainrating 3 out of 5

Bits good, didn’t come with carry bag displayed in picture.

Didn’t come with the little carry bag displayed in photo- only the 3 bits in a mini ziploc bag.Edit- After a weeks worth of using these bits at work, they seem very dull, just burning through the metal ect. Spend the extra money and get good bits.

Pros
  • not as good as dewalt for price good
Cons
  • Cheap bits that do not come with a case.....forget the advertising photo

Revainrating 3 out of 5

Not the greatest: my feedback

I picked these up because I was tired of going back and forth between SAE and metric measurements on larger builds. The 3 different step sizes were a draw to me as well because I cannot always get the drill in from the back side to clean up the holeThey are only "HSS" so I figured they would work on plastic which is what I normally poke holes in. The pretty gold coating is irrelevant at the rpms I use.No matter what feed speed, rpm, and what type of plastic they always leave a bad burr in the…

Pros
  • Power Drill Parts & Accessories
Cons
  • Hi, the smallest drill bit was missing. It only came with the 2 and the clear package was ripped open