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3pcs Bright 3-flats Shank Straight Flute HSS Step Drill Bit Set for Multiple Hole Metal drilling

Short Description:

3 flat shank is easy to change ,straight flute allows the material particles escape easily for a much more clean drilling operation.the size include: 4-12mm5steps ,4-20mm 9steps, 4-32mm 13steps. HSS step drill bits for thin metal board,Wood, PVC sheet, Insulation . Not suitable for hard and brittle materials such as stainless steel, glass, tile floors, walls etc


Product Detail

Product Tags

Product Features

1.It is produced by different kinds of materials, such as HSS 4241, HSS 4341, HSS 6542(M2), HSS M35, HSS M42.

2.Different sizes of the Shank: 1/4" Hex Shank, 7/8" Hex Shank, Triangle Shank, Round Shank, Square Shank and so on.

3. It is ideal for drilling thin stainless steel plates, aluminum plates,plastic, wood, non-combustible materials, expanding holes, drilling holes, and processing curved surfaces such as pipes.

4.Since the hole is gradually expanded from a small hole to a large hole, drilling of multiple sizes and expansion of the hole are possible.The bite to the tip of the bamboo shoot drill is also finished to feel better than ordinary drills.

5.Step drills two-flute spiral grooved design is deburrs chip, dust and debris for clearance and smooth cutting.

6.118 degree pointed angle with right hand cutting.

Product Parameters

Product Name 6pcs HSS Titanium Coated Step Drill Bit set
Material HSS 4241/6542/M35
Shank Round /Three flats/Quick change Hex/Double R shank
Flute Length  Size 4-12mm 5steps ,
4-20mm 9steps,
4-32mm 13steps
Weight 0.6kgper set 
Surface Finish Tin-coated/Bright/Black+Amber
Packing Aluminum box
Payment Terms T/T, L/C
split point: 118°and 135° tip both available
Function Durable/drill hole in metal 
Suitable Stainless steel, plain carbon steel,aluminium and plastics,Iron plate.
service We accepted OEM/ODM size ,logo,packing if reach the MOQ 200set 

 

Different Surface Treatment

Bright finish, titanium coating, black oxide, black&golden, cobalt coating, amber color.

surface treatment

Scope of Application

scope of application

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