Ezy Lock Overshot of The Sleeve to Lock The Lifting Dogs.

• Type：Core Drill
• Usage：Metal Drilling
• Certification：Dcdma
• Advantage：Long Life
• Transport Package：Plywooden Box
• Specification：BQ, NQ, HQ, PQ,PHD, HQ3, PQ3, HQTT, PQTT

=== Base Info ===

• Model NO.：BQ, NQ, HQ, PQ,PHD, HQ3, PQ3, HQTT, PQTT
• Trademark：crown
• Origin：China
• Production Capacity：5000set,Year

=== Description ===
Core Barrel&Overshot Size AvailableWireline SeriesB, N, N-2, N-3, H, H-3, P, P-3(Surface & Underground); 
BTW, BTW-U, NTW, NTW-UConventionalLTK48, LTK60, T2 76, T2 101Chinese StandardSC56, S59, S75, S95; 
SCA56, SA59, SA75, SA95;
S75ZD, SA75ZD, SA95ZD;
P56, P59, P75, P91, PA-110, PA-130, P150customer's special requirement is also available.

 

Drill Bit(Mm)ReamerOuter TubeInner TubeUnit Weight Outer
DiameterInner
DiameterOuter
DiameterOuter
DiameterInner
DiameterOuter
DiameterInner
DiameterKG/SetC-Q Series
Core BarrelBQ36.50 59.50 60.00 57.20 46.00 42.90 38.10 45.00 NQ47.60 74.60 75.80 73.00 60.30 55.60 50.00 65.00 HQ63.50 95.60 96.00 92.10 77.80 73.00 66.70 105.00 PQ85.00 122.00 122.60 118.00 103.00 95.30 88.90 150.00