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6PCS HSS Titanium Coated Step Drill Bit Set & Automatic Center Punch for metal drilling

Short Description:

The HSS tinanium coated step drill bits set includes five common sizes for versatility, can fit the majority of brands currently on the market.

The size include: (1: 1/4″ to 1-3/8″ 10 Steps) (2: 3/16″ to 7/8″ 12 Steps)(3: 1/4″ to 3/4” 9 Steps)(4: 1/8″ to 1/2″ 13 Steps) (5: 3/16″ to 1/2″ 6 Steps )Also can change into metric size if need,pls kindly contact me.

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Product Features

1. HSS Titanium Coating - High speed steel along with titanium coating ensures outstanding durability and sharpness, can reduces the friction, runs cooler.
2. Meet Your Demands - With the step drill bits we offered, you can process different kinds of diameter holes, which greatly saves you a lot of trouble.Great for metal/wood/plastic countersunk. Suitable for Home DIY, and General Building/Engineering Use.
3. Design - The split point tip is at 118 degrees to increase the wear resistance. The two flute design provides a smoother cutting, allows the material particles escape easily for a much more clean drilling operation.
4. Easy Organizing - A drill bits holder with size index is included in the metal kit for easy storage and organizing without fear of it falling out.
5. Package-6pcs step drill bit/set includes five common size and one center punch can meet the majority of customers needs. It is equipped with exquisite boxes for easy carrying and preservation.

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	(1: 1/4" to 1-3/8" 10 Steps) (2: 3/16" to 7/8" 12 Steps)(3: 1/4" to 3/4'' 9 Steps)(4: 1/8" to 1/2" 13 Steps) (5: 3/16" to 1/2" 6 Steps )
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