日本(ben)tsubosan（葫蘆牌）硬度銼刀、銼刀
顏色
表示(shi)
硬度范(fan)圍
赤
hrc40
hrc40-42
hv392-412
黃
hrc45
hrc45-47
hv446-471
黃綠
hrc50
hrc50-52
hv513-544
綠
hrc55
hrc55-57
hv595-633
青
hrc60
hrc60-62
hv697-746
黑(hei)
hrc65
hrc64-66
hv800-865
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