HSS amber color finish step drill bit

Place of Origin:

Jiangsu, China

Brand Name:

Sinodream

Model Number:

SN-SD006

Type:

Step Drill Bit, Step Drill Bit

Use:

Metal Drilling, Metal Drilling

Finish:

Titanize

Material:

HSS6542 4341 4241

Flute type:

Sprial flute

Shank type:

Triangle/Hex/Round Shank

Surface treatment:

Titanium/Nitriding