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3 Pcs HSS 4241 Straight Flute Conical Umbrella Drill Bit Step Drill Set for Metal Drilling

Short Description:

1. Unique umbrella-shaped structure, one drill bit can open holes of various specifications and sizes, and one umbrella-shaped drill can reach a box of drill bits.

2. There is no need to use a center punch, and it is not easy to break compared with ordinary twist drills.

3. Deburring, chamfering, round hole opening and reaming can complete functions that twist drills cannot.

4. Compared with ordinary twist drills, the vibration is small. A beautiful aperture can be produced without using a center punch first.

5. Injecting water for cooling while working can effectively extend the service life of the drill bit

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Product Detail

Product Tags

Product Information

Procuct Name	3 Pcs HSS 4241 Straight Flute Conical Umbrella Drill Bit Step Drill Set For Metal Drilling
Size	3-14mm ; 5-20mm ;16-30.5mm
Material	HSS4241 / 6542 / M2
Flute Type	Straight Flute (Spiral Flute is Available)
Flute Number	Single Flute、Two Flutes、Three Flutes are Available
Shank	Round Shank (Three Flats Shank, Quick Change Hex Shank, Double R Shank are Available)
Surface Finish	Bright (TiN, Black & Amber, Co-coated, Black Oxide, Black & Bright, TiAIN are Available)
Package	One Piece in Double Blister or Plastic Tube
Features	1. Step drill bits are perfect for drilling and enlarging multiple-holes in thin sections of sheet metals, pipes, plexiglass, plastics, wood up to a thickness of 5mm. 2. A variety of hole diameters can be drilled using only one tool. 3. High speed steel provides good life and high precision. 4. Round Shank:fits most kinds of power tools and provides high precision. 5.. Only for rotary use.

Product Size

Custom-tailor would be available against customers’ requirements

Application

Applicable Material

Applicable Machine

Shipping and Packing

Shipping: Express delivery, air shipping, sea shipping are available for your request. Usual delivery time is 5-10days after receiving the advance payment; For the customized product, 15-30 days after receiving the advance payment.

Packing: We also supply single pvc bag,paper bag,colored plastic square box,transparent plastic box,skin card,sandwich and so on packages with size, logo,brand and other information.

FAQ

Q: Is OEM available?
A: Yes, OEM and customization are available. Graved logo marker,Laser logo marker,, customized packing. Printed Inner box, Carton box.

Q: Are samples available?
A: Yes, you can ask some samples for testing after confirming our prices, but please pay the sample and freight fee, the sample fee will be returned to you after you making official order.

Q: What is your payment terms?
A: T/T,L/C,D/A,D/P,Paypal,Western Union,for different circumstances.

Q: What's your delivery way?
A: Express delivery, air shipping, sea shipping are available for your request.

Q: What's your delivery time?
A: Usual delivery time is 5-10days after receiving the advance payment; For the customized product, 15-30 days after receiving the advance payment.

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