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Home > AST Homemade Produc... > Carbide Endmills > Endmill Ball > BEM Carbide Ball E... > BEM2-HTA
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BEM Solid Carbide Ball End Mill with Two Cutting Edges -- High-performance 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、R0.5～R3, tolerance of R±0.005, R4～R6, tolerance of R±0.007, R7～R16, tolerance of R ±0.01
5、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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| STA | ◎ | ◎ | ◎ | ◎ | ◎ |
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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
| High-performance type Order No. | Spherical Radius | Flute Length | Shank Diameter | Overall Length |
| HTA Series (Coating) | R | lc | ds | lo |
| BEM20200300HTA | 1.0 | 3 | 4 | 60 |
| BEM20200600HTA | 1.0 | 6 | 4 | 60 |
| BEM20300450HTA | 1.5 | 4.5 | 6 | 70 |
| BEM20300800HTA | 1.5 | 8 | 6 | 70 |
| BEM20400600HTA | 2.0 | 6 | 6 | 70 |
| BEM20400800HTA | 2.0 | 8 | 6 | 70 |
| BEM20500750HTA | 2.5 | 7.5 | 6 | 80 |
| BEM20600900HTA | 3.0 | 9 | 6 | 80 |
| BEM20601200HTA | 3.0 | 12 | 6 | 80 |
| BEM20801200HTA | 4.0 | 12 | 8 | 90 |
| BEM20801400HTA | 4.0 | 14 | 8 | 90 |
| BEM21001500HTA | 5.0 | 15 | 10 | 100 |
| BEM21001800HTA | 5.0 | 18 | 10 | 100 |
| BEM21201800HTA | 6.0 | 18 | 12 | 110 |
| BEM21202200HTA | 6.0 | 22 | 12 | 110 |
