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Drillpro 5pcs HSS Blue Nano Coating Step Drill Bit Set Spiral Flute Multiple Hole 1/8 to 1-3/8 Inch 50 Sizes with Aluminum Case or Opp Bag

Drillpro 5pcs HSS Blue Nano Coating Step Drill Bit Set Spiral Flute Multiple Hole 1/8 to 1-3/8 Inch 50 Sizes with Aluminum Case or Opp Bag

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Description:

Drillpro 5pcs HSS Blue Nano Coating Step Drill Bit Set Multiple Hole 1/8 to 1-3/8 Inch 50 Sizes with Aluminum Case or Opp Bag


Specification:


Product Name
 Drillpro 5pcs HSS Blue Nano Step Drill Bit Set Spiral Type
Material HSS 4241
Color Blue
Flute Spiral Flute
Coating Blue Nano
Package Size
 15cm*10.5cm*4.2cm(L*W*H)
Style

1# Opp Packaging 

2# Aluminum Box Packaging 
Weight
 450g
Quantity 5pcs drill bits


Type

Overall

length  

Working  

length

Shank

diameter  

 Weight   Step   Size
3/16' to 1/2' 
 58 28 6 18g 6 3/16'', 1/4'', 5/16', 3/8'', 7/16'', 1/2''
1/8' to 1/2'
 77 46 6 21g 13

1/8', 5/32', 3/16'', 7/32', 1/4'', 9/32', 5/16',

11/32', 3/8'', 13/32', 7/16'', 15/32' , 1/2''
1/4' to 3/4'' 
 73 41 9.1 52g 9 1/4'', 5/16', 3/8', 7/16', 1/2', 9/16', 5/8', 11/16', 3/4'
1/4' to 1-3/8'
 78 47 9.1 66g 12 1/4'', 3/8', 1/2', 5/8', 3/4', 7/8', 1', 1-1/8', 1-1/4', 1-3/8'
3/16' to 7/8'  
 77 46 9.1 142g 10 1/4'', 5/16', 3/8', 7/16', 1/2', 9/16', 5/8', 11/16', 3/4', 13/16', 7/8'  


Features:

(Spiral flutes makes faster drilling, better chip removal, longer drilling life.)

1. This set replaces 50 individual drill bits. Two-flute design gives you faster, smoother cutting. 3-sided (TRI-FLAT) shank will not slip in your drill's chuck.

2. HSS drill bit and blue nano coating, sharp, better wear resistance and durable to use.

3. SELF STARTING - No need for a pilot hole.

4. Blue coated to reduce friction and run cooler

5. Large bit has 3-sided shank and small bits have hexagon shank to prevent slip in drill chuck.

6. Automatically deburrs holes as you drill.

7. Long life true M2 high speed steel.

8. Includes protective padded aluminum case or oppo bag.

 

Package Included:


1 x 
 1/4-1-3/8 Step Drill
1 x
 3/16-7/8 Step Drill
1 x
 1/4-3/4 Step Drill
1 x
 1/8-1/2 Step Drill
1 x
 3/16-1/2 Step Drill
1 x    
 Aluminum Box/OPP Bag (Optional)    


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