High Speed 3PCS Steel Step Drill Bit 4-12mm 4-20mm 4-32mm with Hex Shank in Wooden Box

Basic Info

Model NO.	RQ0512412203201
Customized	Customized
Standard	DIN
Length	Taper-length
Type	Step Drill Bits
Material	High Speed Steel
Usage	Wood Drilling, PCB Drilling, Metal Drilling
MOQ	1000
Transport Package	Wooden Box / Double Blister
Specification	4-12/20/32mm
Trademark	Richoice
Origin	Jiangsu
HS Code	8207509000
Production Capacity	5000000PCS/Year

Product Description

Feature:
Made of premium material for durable and practical use.
The center punch delivers an automatic, high-impact, spring-loaded strike through adjusting the cap; its brass body has a deeply knurled surface for nonslip control.
Can be used for many different materials such as steel, brass, wood, plastic, copper, glass fiber and PVC.
The drill sizes clearly lasered, precise drilling easy.
Fits all common drills/cordless screwdrivers.

Notice:
1.When use the drills, please always wear protective goggles, mask and gloves.
2. Don't touch it with your hand as the drill will produce heat when using, there will be the danger of burning.
3.Please pay attention that the product need to be cooled by water injection when you use the product drill metal plate.The step drill is easy to become soft because of high temperature. If you don't cool the drill, it will be scrapped quickly.
4.Our drills are HSS High-speed steel 4241, you'd better not use it to drill the material that is same as our product or drill the material that the hardness is higher than our product.

Sizes of the Step :

5 Step Bit from 4mm to 12mm

• 4mm,6mm,8mm,10mm,12mm

9 Step Bit from 4mm to 20mm

• 4mm,6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm

15 Step Bit from 4mm to 32mm

• 4mm,6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm,22mm,24mm,26mm,28mm,30mm,32mm