Detailed Product Description NALILAI IMPORT & EXPORT Co., LTD is located at the south foot of Yandang Mountain with beautiful scenery and convenient traffic environments - Yueqing Zhejiang. The Company is specialized in diversified products export. Our main product is electrical appliances, industrial products, hard ware, office appliances, watches and clocks, sanitary ware, and any other ...
... cone bits Roller cone bits with wide crest cutters 1.Bit diameter code: indicated by numbers (integer or fraction). The numbers ... indicate diameter of the bit in inches.The series codes of oil well drilling bits ... )HJT: Metal face sealed journal bearing, special gage protection537: Insert bit for drilling in soft to medium hard formation with low ...
... Product Description PDC Drill BitPDC Anchoring Drill Bit THEORY: PDC(Polycrystalline Diamond Compact) drill bit is a new product after the hot ... -pressed and electroplated drill bit in recent years. With special hith-frequency weldin techniques, ... resistant is welded to the body as cutting edges. PDC bit is mainly used for geological prospecting, coal exploration, water ...
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