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3pcs HSS Step Drill Straight Flute/Spiral Groove 3-12/4-12/4-20

3pcs HSS Step Drill Straight Flute/Spiral Groove 3-12/4-12/4-20
3pcs HSS Step Drill Straight Flute/Spiral Groove 3-12/4-12/4-20
3pcs HSS Step Drill Straight Flute/Spiral Groove 3-12/4-12/4-20
3pcs HSS Step Drill Straight Flute/Spiral Groove 3-12/4-12/4-20
3pcs HSS Step Drill Straight Flute/Spiral Groove 3-12/4-12/4-20
3pcs HSS Step Drill Straight Flute/Spiral Groove 3-12/4-12/4-20
3pcs HSS Step Drill Straight Flute/Spiral Groove 3-12/4-12/4-20
3pcs HSS Step Drill Straight Flute/Spiral Groove 3-12/4-12/4-20
3pcs HSS Step Drill Straight Flute/Spiral Groove 3-12/4-12/4-20
3pcs HSS Step Drill Straight Flute/Spiral Groove 3-12/4-12/4-20
3pcs HSS Step Drill Straight Flute/Spiral Groove 3-12/4-12/4-20
3pcs HSS Step Drill Straight Flute/Spiral Groove 3-12/4-12/4-20
3pcs HSS Step Drill Straight Flute/Spiral Groove 3-12/4-12/4-20
3pcs HSS Step Drill Straight Flute/Spiral Groove 3-12/4-12/4-20
3pcs HSS Step Drill Straight Flute/Spiral Groove 3-12/4-12/4-20
3pcs HSS Step Drill Straight Flute/Spiral Groove 3-12/4-12/4-20
3pcs HSS Step Drill Straight Flute/Spiral Groove 3-12/4-12/4-20
191 SEK
  • Stock: In Stock
  • SKU: SKU139981

Available Options

Description:
3pcs HSS Step Drill Straight Flute/Spiral Groove Ladder Drill  Hexagonal Shank 3-12/4-12/4-20


Introduction:
Step drill,also known as multi-purpose drill with straight flute,spiral groove,single slot. White diamonds,titanium drill,colorful diamond,black diamond.Handle a round handle,triangular handle,hex shank,SDS shank. It has the functions of deburring, chamfering and elliptic hole enlargement. Don't need to use center punch, it is more durable and not easily  broken compared with the ordinary twist drill.

Specification:
Material:  High Speed Steel 4241 ( Used for the hardness of the material which is below 25°, like iron borad, steel board, PVC board, Insulation board, etc.)
Surface: Titanium Plated
Type: Straight Flute/ Spiral Groove
Handle: Hexagon Shank
Scop: thin iron plate,aluminum,insulation panels,PVC panels 4mm thickness within the timber.


Size Drilling Range(Φmm) Steps Height(mm)
{Straight Flute}
Height(mm)
{Spiral Groove}
Height of Shank(mm) Shank Diameter(Φmm)
3-12 3,4,5,6,7,8,9,10,11,12mm 10 78 68 24 6.3mm
4-12 4,6,8,10,12mm 5 68 73
4-20 4,6,8,10,12,14,16,18,20mm 9 73 73


Features:
High speed steel material, more durable.
Titanium coated to reduce friction and run cooler
No need for a pilot hole,  can automatically deburr holes as you drill.
Special step stucture, can drill different size holes, 1 step drill can be used as 1 box of drill bit.
Working with water cooling, can effectively extend the service life of bit, drilling speed 250--400 recommended.
Widely used to cut holes in a variety of material like steel, wood, thin iron, aluminum alloy, insulation boards, PVC sheet,ect.

Package included:
1x  3-12 Step Drill
1x  4-12 Step Drill
1x  4-20 Step Drill

Straight Flute:



Spiral Groove:


When you order from Bazaargadgets.com, you will receive a confirmation email. Once your order is shipped, you will be emailed the tracking information for your order's shipment. You can choose your preferred shipping method on the Order Information page during the checkout process. Bazaargadgets.com offers four different international shipping methods:

 

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EMS10-15 business days to worldwide
Expedited Shipping5-8 business days to worldwide

 

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