説明
SPECIFICATIONS
is_customized: Yes
Use: Metal Drilling
Type: Countersink Drill Bit
Pilot: M3.2~M20
Origin: Mainland China
Model Number: Counterbore Countersink
Material: High Speed Steel
DIY Supplies: Metalworking
Brand Name: BB
Application: fillister screw cap
![](http://ae01.alicdn.com/kf/H211af07787084b158340d0cd882c2208e.jpg)
BB® Counterbore Cutter with Solid Pilot
-4-fluted counterbore inset
-Straight Shank
-High speed steel material
-Used widely for machining of low carbon steel and non ferrous materials. Provide a smooth ,flat, accurately located surface.
![](http://ae01.alicdn.com/kf/H4e4a29792604480598ae6e09f7494d97Z.jpg)
The tool is used for producing counterbores.
it's cutting lips are perpendicular to the hole axis.
It can assuring concentricity between the counterbore and the hole being counterbored.
4PCS: M3.2 M4.2 M5.2 M6.2
5PCS: M3.2 M4.2 M5.2 M6.2 M8.2
6PCS: M3.2 M4.2 M5.2 M6.2 M8.2 M10.3
7PCS: M3.2 M4.2 M5.2 M6.2 M8.2 M10.3 M12.4
8PCS: M3.2 M4.2 M5.2 M6.2 M8.2 M10.3 M12.4 M14.5
![](http://ae01.alicdn.com/kf/H8b87c58e9a0348b697cdbf24d99c1185Y.jpg)
![](http://ae01.alicdn.com/kf/Hc53a82a95eea4c26acc4ec6d7c58c29dd.jpg)
![](http://ae01.alicdn.com/kf/H6fce9335e28e47d9b2d5fd30480e500eb.jpg)
Packaging
![](http://ae01.alicdn.com/kf/H2684db42801e44d7a0848547190f75d4w.jpg)
BB® Black-Bird Series HSS-Al 4Flutes Counterbore Cutter
If you need higher precision, better chip removal. You can click the picture below.
![](http://ae01.alicdn.com/kf/H2881169659404a3788e0eff52c2abdf0L.jpg)
HI, welcome to BB official store.
-We are professional manufacturer ,development and production of milling tools.
-We provide various tools for you . You can follow us and see more.
-You have free choice of collocation, pick different specifications and other tools in our store to you cart and pay them together. We will send the products you have picked as a package.
-Take an additional 5~10% off when you buy 10 pieces or more.
SHIPMENT
-We have already paid 50% of delivery cost when you choose AliExpress Standard Shipping.And free shipping for sometimes.
-Orders processed timely after the payment verification.We ship products within 3 working days.
-The trade is cross-border, and Airmail is cheapest post which take a long time for delivery.If you need the item urgently ,please choose Express way.
-If you have not received your shipment within 60 days from payment, please contact us. We will track the shipment and get a reply to you as soon as possible.
We sincerely hope that BB tools will meet your full requirements. Please enjoy your online shopping.
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