NQ Wireline Compact Overshot Assembly
PEERCHEER offers compact NQ Ezy lock overshot for use with NQ/NQ3/NTW core barrel. NQ EZY lock overshot is designed to protect against accidental release of NQ/NQ3/NTW inner tube assembly. NQ Ezy Lock Overshot is ideal for surface applications when hoisting above ground.
NQ Ezy lock overshot Features:
• Ezy Lock Sleeve provides a quick, one-handed rotation of the sleeve to lock the lifting dogs.
• Quick Release Safety Pin locks the overshot head to the spearhead point.
• Threaded connection between jar staff and overshot head.
• High strength alloy steel jar staff with increased diameter and fail safe stop.
NQ Ezy lock overshot Features:
• Ezy Lock Sleeve provides a quick, one-handed rotation of the sleeve to lock the lifting dogs.
• Quick Release Safety Pin locks the overshot head to the spearhead point.
• Threaded connection between jar staff and overshot head.
• High strength alloy steel jar staff with increased diameter and fail safe stop.
Product Details
Parameter
NQ Wireline Compact Overshot Standard Parts：
1-NQ Overshot Eye Bolt
2-NQ Overshot Cable Swivel Collar
3-NQ Overshot Thrust Bearing
4-NQ Overshot Castle Nut
5-NQ Overshot Cotter Pin
6-NQ Overshot Grease Fitting
7-NQ Overshot Cable Swivel Body
8-NQ Overshot Jar Staff
9-NQ Overshot Jar Tube
10-NQ Overshot Hex Nut
11-NQ Overshot Cap
12-NQ Overshot Spring
13-NQ Overshot Sleeve
14-NQ Overshot Compression Spring
15-NQ Overshot Ball
16-NQ Overshot Head
17-NQ Overshot Compression Spring
18-NQ Overshot Lifting Dog
19-NQ Overshot Plain Pin
20-NQ Overshot Spring Pin
21-NQ Overshot Locking Pin
22-NQ Overshot Set Screw
23-NQ Overshot Locking Sleeve
NOTE：
(1)NQ Overshot with roller bar type is also available
NQ Wireline Compact Overshot
| NQ Nonimal Parameter | mm | Inches |
| NQ Hole Diameter(approx.) | 75.8 | 2.984 |
| NQ Core Diameter(approx.) | 47.6 | 1.874 |
| NQ Core Bit Set OD(approx.) | 75.3 | 2.965 |
| NQ Core Bit Set ID(approx.) | 47.6 | 1.874 |
| NQ Reaming Shell Set OD(approx.) | 75.8 | 2.984 |
