HSS 4241 Step Drill Bits for PVC, Metal, Wood
Yueqing Hengda Tools Co., Ltd.- Customized：Non-Customized
- Standard：DIN
- Length：65-104 mm
- Type：Core Drill Bit
- Material：High Speed Steel
- Usage：Wood Drilling, Metal Drilling
Base Info
- 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
Description
Product:
Brand:
Leying
Size:
4-35 MM
Raw Material:
HSS , HSS Co
Hardness: :
62-66 HRC
Application:
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.