BQ Surface Drilling Overshot
  • BQ Surface Drilling Overshot
  • BQ Surface Drilling Overshot

BQ Surface Drilling Overshot

PEERCHEER offers compact BQ Ezy lock overshot for use with BQ/BTW core barrel. BQ EZY lock overshot is designed to protect against accidental release of BQ/BTW core barrel. This Ezy Lock Overshot is ideal for surface applications when hoisting above ground.
BQ 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


BQ surface drilling overshot standard parts:

1-BQ Overshot Eye Bolt
2-BQ Overshot Cable Swivel Collar
3-BQ Overshot Thrust Bearing
4-BQ Overshot Castle Nut
5-BQ Overshot Cotter Pin
6-BQ Overshot Grease Fitting
7-BQ Overshot Cable Swivel Body
8-BQ Overshot Jar Staff
9-BQ Overshot Jar Tube
10-BQ Overshot Hex Nut
11-BQ Overshot Washer
12-BQ Overshot Cap
13-BQ Overshot Spring
14-BQ Overshot Sleeve
15-BQ Overshot Compression Spring
16-BQ Overshot Ball
17-BQ Overshot Head
18-BQ Overshot Compression Spring
19-BQ Overshot Lifting Dog
20-BQ Overshot Plain Pin
21-BQ Overshot Spring Pin
22-BQ Overshot Locking Pin
23-BQ Overshot Set Screw
24-BQ Overshot Locking Sleeve

(1)BQ Overshot with roller bar type is also available

BQ Surface Drilling Overshot
BQ Nonimal Parameter mm Inches
BQ Hole Diameter(approx.) 60.0 2.362
BQ Core Diameter(approx.) 36.5 1.437
BQ Core Bit Set OD(approx.) 59.5 2.343
BQ Core Bit Set ID(approx.) 36.5 1.437
BQ Reaming Shell Set OD(approx.) 60.0 2.362