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Min. Order:
1 Set
Price:
US$ 1000
Place of origin:
China
drill string for 1m. Use a drilling rate of 40~50rpm and a normal flow rate. Slowly lower the drill string. Polish the inner surface of the polished bore receptacle twice or three times. Each time polish 3~4min. During the last polishing, apply an additional load of 2~3t when the torque suddenly increases (the milling shoe reaches the top of the seal assembly) during the last polishing. Pol
[Related Keywords : circulating swage drilling]
Business Type
Manufacturer
Location
Shandong, China
Employees Total
11 - 50
Annual Revenue
USD 100,000 - 500,000
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