We can supply kinds of cutter picks and holders for different rotary drilling rigs. Details as below:
1.Types as below: B47K-17H, B47K-19H, B47K-20H, B47K-22H, 3050, 3060, 3065 etc.
2.These machine parts are widely used on foundation drilling, piling, Trenching, Tunneling, Road planing. They can suit for all kinds of drilling machines, we also can do Custom-made.
3.High Manganese Alloy steel Body, made of 42CrMo, heat treatment with 40-44HRC hardness, forged and Anti-rust treatment, has high toughness and wearable character.