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Tin-Coated HSS NC Centering Spot Drill for Small Spot Drilling
Tin-Coated HSS NC Centering Spot Drill for Small Spot Drilling


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 Tin-Coated HSS NC Centering Spot Drill for Small Spot Drilling

 Product Description
Product Name Tin-Coated  HSS  NC Centering Spot Drill for Small Spot Drilling
Material High Speed Steel (Tungsten Carbide ,M35-Cobalt are  Available)
Process Fully Ground 
Cutting Angle

120 Degree(90 Degree, 60 Degree are Available)

Surface Tin-Coated (White,TiAlN Coated ,Amber are Available)
Size 2-20MM (1/8-3/4inch is Available)
Package  Plastic Tube,Blister Card,Plastic Box are Available
Features 1.The primary purpose of a spot drill to make a "dimple" in the workpiece so that the twist drill does not deflect and "walk" off-center and the hole is drilled in the correct location.
2.The Spot drill suitable for continuous production on aluminium, plastics, free cutting steels, cast iron, titanium, non-ferrous materials and some aerospace materials.
3.Titanium coating on the drill bits not only prevents bit dulling for extended performance life but also offers smoother drilling
4.Precise position and chamfer are accomplished at one time to improve machining quality.
5.Available in 60/90/120 and 140 degrees, coated in AlTiN or left uncoated.
 Product Sizes

Tin-Coated HSS NC Centering Spot Drill for Small Spot Drilling

Tin-Coated HSS NC Centering Spot Drill for Small Spot Drilling

 

* Other Sizes are available,Concact Us to Learn More.

 

 

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