BUYTOP Grade | ISO Grade | Grain Size (μm) | Cobalt Content % | Hardness (HRA) | Density (g/cm3) | T.R.S (N/mm2) | Application |
BT10FK | K05-K10 | 0.4 | 6 | 94 | 14.8 | 3800 | Suitable for Aluminum-magnesium alloy, composite sheet, PCB, plastic, glass fiber reinforced plastic, etc. |
BT10FB | K05-K10 | 0.6 | 6 | 92.9 | 14.8 | 3300 | Suitable for copper and aluminum alloy, PCB, glass fiber reinforced composites, braking materials, graphite etc. |
BT10L | K05-K10 | 1.0 | 6 | 92.6 | 14.8 | 3100 | Suitable for copper and aluminum alloy, PCB, glass fiber reinforced composites, braking materials, graphite etc. |
BT15FK | K10-K20 | 0.2 | 9 | 94 | 14.45 | 4200 | Suitable for finishing of quenched steel, graphite, plastic, glass fiber reinforced materials and high-precision and high-mirror processing of stainless steel and aluminum alloy. |
BT15K | K10-K20 | 0.4 | 9 | 93.2 | 14.5 | 4000 | Suitable for hardened hard steel, aluminum alloy, glass fiber reinforced material, high wear-resistant material stainless steel, composite material graphite, PCB, plastic |
BT20KS | K20-K30 | 0.6 | 10 | 92.2 | 14.45 | 4000 | Suitable for cutting alloy steel, heat-resistant alloy, cast iron, non-ferrous metal, stainless steel and other materials. |
BT20K | K20-K30 | 0.7 | 10 | 91.8 | 14.45 | 3800 | Suitable for processing ordinary alloy steel, aluminum alloy, heat-resistant alloy, cast iron, etc. |
BT20L | K20-K30 | 0.8 | 10 | 91.5 | 14.38 | 3600 | Suitable for cutting general steel(HRC<48),stainless steel, grey cast iron & heat resistant alloy. |
BT25FK | K40 | 0.4 | 12 | 92.5 | 14.12 | 4200 | Suitable for alloy steel, aluminum alloy, titanium alloy etc. |
BT25L | K40 | 0.7 | 12 | 91.4 | 14.13 | 3800 | Recommended to making high-speed tooling routers, endmills, reamers etc. Suitable for machining 55HRC max, titanium alloy, high-hardness aluminum alloy, heat-treated steel, heat-resistant alloy, stainless steel, glass fiber reinforced plastic and so on. |
BT30K | 0.7 | 15 | 89 | 13.95 | 4500 | It is suitable for roughing tools for soft materials and for making stamping overall mold materials, punching needles, anti-vibration tool bars, etc. |
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