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3PCS HSS Step Drill Bit
- Tri-flatted shank fit majority brands of electric drills or bench drills on the market.
- High speed steel with titanium coating ensures the step drill bits keep sharp and durable for years which make great holes and keep going after a lot of use.
- Double spiral cutting blades design is faster and sharper than standard design. Also can let material particles escape easily for a much more clear drilling operation.
- Drill different size holes easily with this drill bit on sheet metal,plastic,wood,aluminum,etc, suitable for home diy or professional enginering use.
- Different sizes make them indispensable for many odd jobs. Good for wood, metals of all kind (as long as NOT TOO THICK), plastic, neoprene, Teflon, etc.
Specification
Type: HSS Step Drill Bit Set
Material: High speed Steel with Titanium Coating
Bit #1 (5 steps): 4/6/8/10/12mm; Handle Length: 2cm
Bit #2 (9 steps): 4/6/8/10/12/14/16/18/20mm; Handle Length: 2.2cm
Bit #3 (15 steps):4/6/8/10/12/14/16/18/20/22/24/26/28/30/32mm; Handle Length: 2.3 cm
Handle Length: 2cm
Bit #1 (5 steps): 4/6/8/10/12mm
Handle Length: 2.2cm
Bit #2 (9 steps): 4/6/8/10/12/14/16/18/20mm
Handle Length: 2.3cm
Bit #3 (15 steps): 4/6/8/10/12/14/16/18/20/22/24/26/28/30/32mm
Note:
1. Please use water or cutting oil to prolong the life of drill bit after long time use.
2. Please use it to drill material hardness below 25° and 5mm like sheet metal,wood,plastic and aluminum. Not recommended for cutting stainless steel and tile these too hard material.
3.If you are drilling plastic, drill slowly to not crack it.
Maggie
Reviewed in the United States on April 5, 2024
These are awesome! Exactly what I needed. Simple to use , the sizing on sides is relatively easy to see. Not catching/gouging like others I've tried when boring plastic.
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