Yg-1 Tool Company 4G MILL, 6 Flute 45° Helix Square End mill, SEME7520070, D=20 L=130

Yg-1 Tool Company 4G MILL, 6 Flute 45° Helix Square End mill, SEME7520070, D=20 L=130

SKU: SEME7520070

$202.50

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YG-1 4G MILL, 6 Flute 45° Helix Square End mill, SEME7520070, D=20  L=130

 

EDP No. R D1 D2 L1 L3 L2 Mill Dia. Tolerance Shank Dia.Tolerance No. of Flute
SEME7520070 　 20 20 70 　 130 0~-0.030 h5 6


 (Unit : mm)





Feature

  • “The most cost reducing solution with various compatibility”
    Efficient when you change tools, compare with conventional solid End mills
    Various Selections of Square, Corner radius and ball type with 2, 4, & 6 flutes
    Longer tool life based on YG-1’s advanced coating technology

 

 

High Speed Cutting for Pre-Hardened Steels up to HRc55 -4G MILLS

Suitable for a wide range of work material, specifically for increasing tool life when machining pre-hardened materials, low hardness materials, cast iron, etc. High speed cutting, dry and wet cut recommended together.


 

 Cutting Conditions

 

ISO VDI
3323		 Material
Description		 Composition / Structure / Heat Treatment HB HR ◎ : Excellent
○ : Good
P 1 Non-alloy steel About 0.15% C            Annealed 125 ○
2 About 0.45% C            Annealed 190 13 ○
3 About 0.45% C            Quenched & Tempered 250 25 ◎
4 About 0.75% C            Annealed 270 28 ◎
5 About 0.75% C            Quenched & Tempered 300 32 ◎
6 Low alloy steel Annealed 180 10 ○
7 Quenched & Tempered 275 29 ◎
8 Quenched & Tempered 300 32 ◎
9 Quenched & Tempered 350 38 ◎
10 High alloyed steel,
and tool steel		 Annealed 200 15 ○
11 Quenched & Tempered 325 35 ◎
M 12 Stainless steel Ferritic / Martensitic   Annealed 200 15
13 Martensitic                   Quenched & Tempered 240 23
14 Austenitic 180 10
K 15 Grey cast iron Pearlitic / ferritic 180 10 ○
16 Pearlitic (Martensitic) 260 26 ○
17 Nodular cast iron Ferritic 160 3 ○
18 Pearlitic 250 25 ○
19 Malleable cast iron Ferritic 130 ○
20 Pearlitic 230 21 ○
N 21 Aluminum
wrought alloy		 Not Curable 60
22 Curable         Hardened 100
23 Aluminum-cast,
alloyed		 ≤ 12% Si, Not Curable 75
24 ≤ 12% Si, Curable        Hardened 90
25 > 12% Si, Not Curabl 130
26 Copper and
Copper Alloys
(Bronze / Brass)		 Cutting Alloys, PB>1% 110
27 CuZn, CuSnZn (Brass) 90
28 CuSn, lead-free copper and electrolytic copper 100
29 Non Metallic
Materials		 Duroplastic, Fiber Reinforced Plastic
30 Rubber, Wood, etc.
S 31 Heat Resistant Super
Alloys		 Fe Based      Annealed 200 15
32 Fe Based      Cured 280 30
33 Ni or Co Based        Annealed 250 25
34 Ni or Co Based        Cured 350 38
35 Ni or Co Based        Cast 320 34
36 Titanium
Alloys		 Pure Titanium 400 Rm
37 Alpha + Beta Alloys    Hardened 10500 Rm
H 38 Hardened steel Hardened 550 55 ○
39 Hardened 630 60
40 Chilled Cast Iron Cast 400 42 ◎
41 Hardened Cast Iron Hardened 550 55 ○

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