Purchase Qty. Reference FOB Price
1-2 Pieces US$2,300.00
3+ Pieces US$2,200.00
Product Description
Our company produce the master bushings and insert bowls with the size from 17 1/2,to 37 1/2 inch.They are cast with high-quality alloy steel and the sizes conform to API Spec 7K.There are two types.pin drive and square drive. API standard rotary slip,drill collar slip, casing slip or roller Kelly ...