Metal drill bit head with four symmetrical cutting edges and a central hole, used for industrial drilling.
Metal drill bit head with four symmetrical cutting edges and a central hole, used for industrial drilling.
Mining Machinery Castings
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Product Introduction
Product No.: NB-F004
Casting Process: Water Glass Casting
Material: 42CrMo


Product Introduction
Material Standards: GB, ASTM, AISI, DIN, BS, JIS
Material Types: Carbon Steel and Alloy Steel
Molds: Typically Aluminum or Steel Molds
Pattern Material: Low-temperature Wax
Shell Material: Water Glass, Quartz Sand
Product No.: NB-D001
Casting Process: Water Glass Casting
Material: G20Mn5+N

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