Yg-1 Tool Company Solid Carbide Drills, Dream Drill For High Hardened Steel (HRc50~HRc70) 4xD, DH500121, D=12.1 L=125

Yg-1 Tool Company Solid Carbide Drills, Dream Drill For High Hardened Steel (HRc50~HRc70) 4xD, DH500121, D=12.1 L=125

SKU: DH500121

$63.36

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YG-1 Solid Carbide Drills, Dream Drill For High Hardened Steel (HRc50~HRc70) 4xD, DH500121, D=12.1 L=125

 

EDP No. D1 D2 L1 L2 Drilling Depth
DH500121 12.1 14 77 125 4xD

 (Unit : mm)




 

Feature 

  • Application : Drilling for High Hardened Steels[Quenched Steels, Tempered Steels (Under HRc 70)
  • Advantage : Special Design
  • Minimum of cutting load through special thinning Good chip removal Powerful Drilling


DREAM DRILLS 
for HIGH HARDENED STEELS

 

Low Helix
The low Helix angle maximizes tools’ rigidity and stability with less deflection

 

Special Thinning  (R+U Thinning)
Unique drill point geometry with special thinning  to minimize cutting workload, axial thrust loading and heat generation

 

Coating
TiAlN nano coating combines high hardness with high thermal stability against oxidation, allows machining the upper level of hardened steels  HRc 50-70.

 

Polished Flutes
Polished flutes improve coating addition, with better chip control and evacuation.

 

Work Material

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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