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Coring Bits

Source:未知Author:admin Addtime:2021-04-29 Click:
Item No. MOHS Scale Hardness Rock Type Color
Herac 1 1 Soft Clay, Siltestone
Herac 2 1.5 Soft Coal, Vocanics
Herac 3 2 Soft Rock Salt
Herac 4 2.5 Medium Limestone, hard shale
Herac 5 3 Medium Kimberlite
Herac 6 3.5 Medium Marble, Dolomite
Herac 7 4 Medium Hard Slate
Herac 8 4.5 Medium Hard Sandstone,Andersite
Herac 9 5 Medium Hard Limonite,Pegmatite
Herac 10 5.5 Medium Hard Granite, Balsalt
Herac 11 6 Medium Hard Diorite
Herac 12 6.5 Medium Hard Quartz Porphyry
Herac 13 7 Hard Crystauize Genesis
Herac 14 7.5 Hard Chert
Herac 15 8 Hard Plus Silicious Stone
Herac 16 8.5 Ultra Hard Iron Stone,Jaspilite
Herac 17 9 Ultra Hard Sapphire