AISI52100 G1000 5mm chrome metal balls 5mm steel sphere
US $1.40-$1.45
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Product Name | small size tungsten carbide pen ball hard mental balls |
Diameter | 2mm |
Hardness | 91HRA |
Tolerance | G10 |
Surface | Superb polished |
Application | grinding ball in jar, Precision bearings, squeeze holes, sealed valves, instruments |
Dia.(mm) | Dia.(inch) | Dia.(mm) | Dia.(inch) |
2 | 3/38 | 8 | 23/73 |
2.38125 | 3/32 | 9.525 | 3/8 |
2.5 | 6/61 | 10 | 37/94 |
3 | 2/17 | 11.1125 | 7/16 |
3.175 | 1/8 | 12 | 43/91 |
3.969 | 5/32 | 12.7 | 1/2 |
4 | 3/19 | 13.494 | 17/32 |
4.7625 | 3/16 | 14 | 43/78 |
5 | 12/61 | 14.2875 | 9/16 |
5.556 | 7/32 | 15 | 13/22 |
6 | 13/55 | 15.875 | 5/8 |
6.35 | 1/4 | 16 | 17/27 |
7 | 8/29 | 19.05 | 3/4 |
7.938 | 5/16 | 20 | 37/47 |

Grade | WC (%) | Cobalt(%) | Density (g/cm³) | Hardness (HRA) |
YG6 | 94 | 6 | 14.9 | 90.5 |
YG6X | 94 | 6 | 14.9 | 91.7 |
YG8 | 92 | 8 | 14.7 | 89.5 |
YG13 | 87 | 13 | 14.4 | 87.5 |
YG20 | 80 | 20 | 13.5 | 85.5 |








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