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Home > AST Homemade Produc... > Carbide Endmills > Endmill Square > EM Solid Carbide E... > EM3-STA
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EM Solid Carbide End Mill with Three Cutting Edges ---Basic Type
Features:
1、All dimension is fixed by our norm and also accept non standard order.
2、Tolerance of dc≤3mm 0/-0.02, dc＞3mm 0/-0.03
3、Tolerance of shank h6
4、One cutting edge to center with tip angle;
5、Dimension of chamfer on the corner C value:
D≤Φ3，C=0.05～0.1；Φ3＜D≤Φ8， C=0.1；
Φ8＜D≤Φ12， C=0.15；Φ12＜D≤Φ16， C=0.2；
D＞Φ16，C=0.3
6、Helix angle 35°.
Universal Endmills-High-performance Type/Basic Type/Economical Type
Application Variety
Features--of HTA Series High-performance Endmills:
□ Carefully selected High-strength carbide and coating cemented carbide, improve the oxidation resistance, heat resistance, wear resistance.
□ Fewer macroparticles on film surface result in improved smoothness. Reduced abrasion and better deposition resistance improved wear and adhesion resistance.
□ Unique geometry improves chip removal and tools rigidity. So the tools can machine≤HRC55 following materials: stainless steel, heat-resistant alloys, titanium, nickel alloys, cast iron, copper alloys, etc.
□ High performance carbide material ensure longer tool life and high efficiency.
Features--of STA Series Basic Type Endmills:
□ Carefully selected High-strength carbide and coating cemented carbide, improve the oxidation resistance, heat resistance, wear resistance.
□ Superior chipping, wear resistance，and better surface roughness from special cutting edge and margin shape .
□ Aplly to very wide work materials.
□ STA：economical and high performance carbide meterial.
Features--of ST Series Economical Type Endmills:
□ Better heat and wear resistance from ST coating for a long life.
□ Aplly to very wide work materials.
□ Superior chipping, wear resistance，and better surface roughness from special cutting edge and margin shape .
□ Economical and high performance carbide material.
Application Work Material:
| Series | Work Material | |||||||||||||
| Structural Steel | Carbon Steel | Alloy Steel | Pre-hardened Steel | Hardened Steel | Stainless Steel | Titanium Alloys, Nickel Alloys | Cast Irons | Aluminum Alloys | Copper Alloys | Plastic | ||||
| HRC30-45 | HRC45-55 | HRC55-60 | >HRC60 | |||||||||||
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| HTA |
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(◎ Most Suitable ○ Suitable)
Difference between ST/STA/HTA Series:
| Series | Design of cutting edge | Carbide Material | Coating |
| ST | Unique shape of cutting edge suitable for very wide work materials | Economical carbide material | Economical universal coating |
| STA | Unique shape of cutting edge suitable for very wide work materials | Normal carbide material | High-performance coating especially suitable for endmills |
| HTA | Unique shape of cutting edge suitable for very wide work materials | High-performance carbide material | High-performance coating especially suitable for endmills |
Type available and Diameter ranges
EM2：D1.5~32.0mm EM3：D2.0~32.0mm EM4：D4.0~32.0mm
LEM2：D2.0~4.0mm LEM4：D2.0~6.0mm
REM2：D1.0~20.0mm REM4：D3.0~20.0mm
LREM2：D2.0~6.0mm LREM4：D3.0~12.0mm
BEM2：R1.0~6.0mm BEM3：R2.0~16.0mm BEM4：R2.0~16.0mm
LBEM2：R1.0~2.0mm
| Basic type Order No. | Cutting EdgeDiameter | Flute Length | Shank Diameter | Overall Length |
| STA Series (Coating) | dc | lc | ds | lo |
| EM30200400STA | 2 | 4 | 4 | 45 |
| EM30200500STA | 2 | 5 | 4 | 45 |
| EM30200600STA | 2 | 6 | 4 | 45 |
| EM30200800STA | 2 | 8 | 4 | 45 |
| EM30300600STA | 3.0 | 6 | 6 | 45 |
| EM30300750STA | 3.0 | 7.5 | 6 | 45 |
| EM30300900STA | 3.0 | 9 | 6 | 45 |
| EM30301200STA | 3.0 | 12 | 6 | 50 |
| EM30400800STA | 4.0 | 8 | 6 | 50 |
| EM30401000STA | 4.0 | 10 | 6 | 50 |
| EM30401200STA | 4.0 | 12 | 6 | 50 |
| EM30401600STA | 4.0 | 16 | 6 | 50 |
| EM30501000STA | 5.0 | 10 | 6 | 50 |
| EM30501250STA | 5.0 | 12.5 | 6 | 50 |
| EM30501500STA | 5.0 | 15 | 6 | 50 |
| EM30502000STA | 5.0 | 20 | 6 | 60 |
| EM30601200STA | 6.0 | 12 | 6 | 50 |
| EM30601500STA | 6.0 | 15 | 6 | 50 |
| EM30601800STA | 6.0 | 18 | 6 | 50 |
| EM30602400STA | 6.0 | 24 | 6 | 60 |
| EM30801600STA | 8.0 | 16 | 8 | 60 |
| EM30802000STA | 8.0 | 20 | 8 | 60 |
| EM30802400STA | 8.0 | 24 | 8 | 70 |
| EM30803200STA | 8.0 | 32 | 8 | 80 |
| EM31002000STA | 10.0 | 20 | 10 | 70 |
| EM31002500STA | 10.0 | 25 | 10 | 70 |
| EM31003000STA | 10.0 | 30 | 10 | 80 |
| EM31004000STA | 10.0 | 40 | 10 | 90 |
| EM31202400STA | 12.0 | 24 | 12 | 75 |
| EM31203000STA | 12.0 | 30 | 12 | 75 |
| EM31203600STA | 12.0 | 36 | 12 | 90 |
| EM31204800STA | 12.0 | 48 | 12 | 100 |
| EM31603200STA | 16.0 | 32 | 16 | 90 |
| EM31604000STA | 16.0 | 40 | 16 | 100 |
| EM31604800STA | 16.0 | 48 | 16 | 108 |
| EM32004000STA | 20.0 | 40 | 20 | 100 |
| EM32005000STA | 20.0 | 50 | 20 | 110 |
| EM32006000STA | 20.0 | 60 | 20 | 120 |
| EM32505000STA | 25.0 | 50 | 25 | 115 |
| EM32506250STA | 25.0 | 62.5 | 25 | 130 |
| EM32507500STA | 25.0 | 75 | 25 | 145 |
| EM33206400STA | 32.0 | 64 | 32 | 140 |
| EM33208000STA | 32.0 | 80 | 32 | 160 |
