Package Included

NO INSERT:
If you choose 2D c25-d15-wc03, you will get 1PCS drill bit of c25-2d15wc03 WITHOUT INSERT.

NO DRILL:
if you choose 2D+wcmx030208 ,you will receive 1lot =10pcs insert WITHOUT DRILL.

How to choose U DRILL

Difference between SP bit and WC bit:

WC U Drill:WC insert is cheap and has high drilling efficiency. The insert is peach type and can be used on three sides. The drilling efficiency is slightly better than that of SP type.

SP U Drill:The bottom hole of SP insert is flat relative to WC, but not completely flat. SP insert is square and can use 4 cutting surfaces, with a better finish than WC.

2D 3D 4D means length:
2D mean the machining depth is 2 times the diameter.
3D mean the machining depth is 3 times the diameter.
4D mean the machining depth is 4 times the diameter.

Cutting Condition

How to calculate speed and feed?

Select cutting speed and feed rate well, calculate the speed and feed according to the formula

Drilling response under different conditions

Machining Power Requirements

More Details About The Product

The inner insert and outer insert uniform force can effectively inhibit swing.

Optimize chip discharge tank, faster chip removal speed, improve processing efficiency.

Accessory Products