หัวสว่านไทเทเนียม 4-22 มม . Hss 4241
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Hex Titanium Step Cone Drill Bit Hole Cutter 4-22MM HSS
Size: 4-22 mm（6,8,10,12,14,16,18,20, 22）mm
Shank:6mm(dia),25mm(L)
Total:75mm(L)
Material:High speed steel
Color:As shown
The ladder of its unique structure,a bit can open a variety of specifications of aperture.
Do not need to use center punch,compared with the ordinary twist drill is not easy to be broken.
Deburring,chamfering,elliptic hole enlargement,twist drill,the function of them was unable,but it is possible.
The use of tools:drill,bench drill.Work while water cooling,can effectively extend the service life of drill bit,recommend drilling rate of 250-250 RPM.
Package include
1x Hex Titanium Step Drill
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
