BB-SWY HSS 4F Roughing End Mill

-It is used on mild steel, and other soft metals.

-Low speed machining.

-It is best to process aluminum with 3 flutes.

-Not a good choice for wood.(We recommend BB carbide roughing end mill)

Aluminium-containing high speed steel (W6Mo5Cr4V2Al)

W6Mo5Cr4V2Al is based on W6Mo5Cr4V2 to change the carbon content from 0.89% ~ 0.90% to 1.10% ~ 1.20%, super hard high speed steel formed by adding 1% AL, the hardness of this steel can reach HRC68 ~ 69. Chemical composition: C 1.05 ~ 1.20, Si ≤ 0.60, Mn ≤ 0.40, W 5.50 ~ 6.75, Mo 4.50 ~ 5.50, Cr 3.80 ~ 4.40, V 1.75 ~ 2.20, AL 0.80 ~ 1.20, s≤0. 0.030, p≤0. 0.030, the rest are iron and impurities.

More Choice for you – click on the image to see more.

① BB HSS roughing end mill with center cutting.

-Higher precision -Full grinding  -3&4 Flutes(Teeth)  -Optional TiN coating.

② BB Carbide roughing end mill.

-Solid carbide material.  -Higher rotation speed than HSS.  -Better heat resistance.  -Better wear resistance.  For harder metal, wood…

☆If you need end mills, please click the following to purchase.

Dimensions (Unit:inch) with center hole

7.94=5/16”*3/8
1/4”*3/8”*31mm*78mm
15.875= 5/8”*5/8*2-1/2*4-5/8
1-1/4” * 1-1/4 *4*6-1/2 (6Flutes)
1-1/4”* 3/4*4*6-1/2 -4F
31.75mm=1.25”

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