NINDEJIN BITS 1 Mũi Khoan Bước Hình Nón 1 / 4 "đến 3 / 4" Hss Phủ Titan Cho Chế Tác Gỗ Kim Loại Nhựa

Brand Name:NINDEJIN
DIY Supplies:Metalworking
Type:Core Drill Bit
Origin:CN(Origin)
length:60-80mm
Use:Metal Drilling
Model Number:DT-YZBTZ-1/4" -3/4"
is_customized:Yes
Material:High Speed Steel
Sizes: 1/4" to 3/4"
Qantity: 1pcs
Finish: titanium coated
Application: Iron plate, copper plate, aluminum plate, wood, plastic

Product description:
1. [1pcs step drill bit]: Made from 4241 high speed steel with titanium coating ensures strong wear-resistance and durability;

2. [Wide application]: Tri-flatted shank fits into majority pistol drill and drill press securely without slip and shedding. Prefect step drill bit for metal, wood, plastic, aluminum, copper, iron plate. NOT FOR steel and harder metal. Suitable for home DIY, general building and engineering use;

3. [Design]: 135° X-type split point and double cutting blades design garuantees a faster and smoother cutting, allows particles espace easily. No center punch is needed.

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.

Sizes:
#3: 1/4" to 3/4'' 9 Steps (1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4")

Notice:
-When use the drills, please always wear protective goggles, mask and gloves;

-Don't touch it with your hand as the drill will produce heat when using, there will be the danger of burning;

-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;

-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.

FAQ:
-Wholesalers and retailers are welcomed.


-What should I do if I don't receive my item?
Please contact us first, we will track your item. If you can't receive it, we will full refund or resend it for you. We are honest seller, so don't worry.

-If the products have problems how to do it?
Please contact with us in time, we will help you solv