Min. Order Reference FOB Price
1 Piece US$99.00-999.00 / Piece
Product Description
Product Description 9-1/2 ES1635SG/S323 1. Suitable for drilling soft to medium hard formations 2. Bit body is made of superior alloy steel which has excellent strength and toughness&Bit surface is reinforced in order to prevent erosion and prolong service life of the bit. 3. Middle or low ...