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190Pcs DIN338 Black Oxide Rolled HSS Drill Bit Sets in Metal Box
190Pcs DIN338 Black Oxide Rolled HSS Drill Bit Sets in Metal Box


 Product Photos

190Pcs  DIN338 Black Oxide Rolled HSS Drill Bit Sets in Metal Box

 Product Description
Product Name  190Pcs  DIN338 Black Oxide Rolled HSS Drill Bit Sets for Metal Stainless Steel
Size

 1mm-10mm by 0.5mm

 10Pcs of Each Size

Material  HSS  (HSS Cobalt M35 is Available)
Process  Rolled  (Fully GroundRolled & PolishedMilled are Available)
Point Type  118 Degree Regular  (135 Degree Split Point is Available)
Shank Type  Straight Shank  (Hex ShankReduced Shank are Available)
Helix Angle  Regular Spiral Type N 
Surface Finish  Black Oxide  (BrightTitanium CoatedAmber ColorBlack & Gold are Available)
Package  190 Pcs Packed in One Metal Box
Features

1. HSS drill bit sets have extremely high hardness, in the drilling work has excellent processing performance,

all grinding sharp ligament sticky milling work hole smooth no burr.
2. With good toughness of materials, wear resistance and drilling ability, the drill bit set tools apply to cast iron,

copper and aluminum die steel alloy steel.
3.Gold-oxide coating resists heat build-up and lengthens bit life.
4.Removable cartridges: easy to carry bits from case to worksite.
5.Suitable for a range of electric drills and drilling machines thanks to our straight shank design.

 Product Sizes

190Pcs  DIN338 Black Oxide Rolled HSS Drill Bit Sets in Metal Box 

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

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