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20Pcs Inch Number 61 to 80 HSS Micro Mini Drill Bit Set for Metal Handcraft Sheet Drilling in Plastic Box
20Pcs Inch Number 61 to 80 HSS Micro Mini Drill Bit Set for Metal Handcraft Sheet Drilling in Plastic Box


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20Pcs Inch Number 61 to 80 HSS Micro Mini Drill Bit Set for Metal Handcraft Sheet Drilling in Plastic Box

 Product Description
Product Name  20Pcs Number 61 to 80 HSS Micro Mini Drill Bit Set for Metal Handcraft Sheet Drilling
Size

 61# - 80#: 61#, 62#, 63#, 64#, 65#, 66#, 67#, 68#, 69#, 70#

                   71#, 72#, 73#, 74#, 75#, 76#, 77#, 78#, 79#, 80#

Material

 HSS  (HSS Cobalt M35 is Available)

Process  Fully Ground  (Rolled, Rolled & Polished, Milled are Available)
Point Type  118 Degree Regular Point  (135 Degree Split Point is Available)
Shank Type  Straight Shank  (Hex Shank, Reduced Shank are Available)
Helix Angle  Regular Spiral Type N
Surface Finish  Bright  (Black Oxide, Amber Color, Titanium Coated, Black & Gold are Available)
Package  20 Pcs Packed in One Plastic 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

 

 

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

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