High Quality Custom Cobalt Steel Unibit Tree Step Double Slot Cone Cutting Shaped Drill Bit

• Customized: Non-Customized
• Standard: DIN
• Length: 65-104 mm
• Type: Core Drill Bit
• Material: High Speed Steel
• Usage: Wood Drilling, Metal Drilling
• Model NO.: SDB
• Shank Shape: Straight Shank, Hex Shank
• Processing: Fully Ground
• Flute Type: Straight, Spiral
• Package: Plastic Box ,Cardboard
• Transport Package: Carton
• Specification: 4-35 mm
• Trademark: Leying
• Origin: Zhejiang
• HS Code: 8207509000
• Production Capacity: 200000 Pieces/Month

Product Description

Product Description
 

Product:	High Quality Custom Cobalt Steel Unibit Tree Step Double Slot Cone Cutting Shaped Drill Bit
Brand:	Leying
Size:	4-35  MM
Raw Material:	HSS , HSS Co
Hardness: :	62-66 HRC
Application:	Stainless Steel,Carbon Steel,Aluminum,Alloy Steel,Cast Iron,Wood,Plastic

 

Brief Introduction

Step Drill Bits are perfect for drilling multiple-size holes in thin sections of metal, plastic and wood using a single bit.

Each step drills does the work of many drill-bit sizes. Drills round holes in most metals (steel, brass, aluminum, copper)

up to 1/8" (3.2mm) thick as well as in plastic and wood. No center punching or pilot hole drilling is required on most sizes.

The bits are easy to keep sharp, and the hole size is easily determined by the diameter markings that are permanently

laser-etched in the flute areas.

 

Type	Size (mm)	Overall Length (mm)
SDB-01	4,6,8,10,12	65
SDB-02	4,5,6,7,8,9,10,11,12	65
SDB-03	4,6,8,10,12,14,16,18,20	75
SDB-04	6,9,13,16,19,21,23,26,29,32,35,38	100
SDB-05	6,8,10,12,14,16,18	68
SDB-06	6,8,10,12,14,16,18,20,22,24,26,28,30	98
SDB-07	4,6,8,10,12,14,16,18,20,22	81
SDB-08	5,7.5,10,13,16,19,21,23,26,29,31,33,35	104

Products Details




Workshop & Testing Lab


Exhibition




Packing & Shipping

Packing: Inner package: PVC Box ; Outer package: Cartons 
Shipping: By air or by sea(FOB port:Shanghai/Ningbo),by express (DHL,UPS,TNT,FEDEX)




FAQ

1. Q: Is OEM available?

    A: Yes,OEM and customization are availble. Also, we can provide label printing service.

2. Q: Are samples available?

    A: Yes, you can ask some samples for testing after confirming our prices, but please pay the freight fee,
        the fee will be returned to you after you making official order.
       
3. Q: What is your payment terms?

    A: T/T,L/C,Paypal for different circumstances.

4. Q: What's your deliver way?

    A: Express delivery, air shipping, sea shipping are available for your request.

5. Q: What's your delivery time?

    A: Usual delivery time is 20-30 days after receiving the advance payment.
       For the customized product, the delivery time is 35-45 days after receiving the advance payment.