Products > Drilling Equipment

Hole Opener


Product Number: KW-DE-12 It is used to enlarge hole during drilling and connected with a bit on front end to drill pilot hole and enlarge hole simultaneously.


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KINGWELL Hole Opener Features & Benefits: 

The KINGWELL fixed diameter hole opener is a general hole enlarging tool. It is used to enlarge hole during drilling and connected with a bit on front end to drill pilot hole and enlarge hole simultaneously.
 
The cutters can replace according to the different hardness of formation
 
KINGWELL Hole Opener Technical Data:
 
Technical specifications and parameters for Hole Opener
Type Hole open dia.(in) Qty of cutter Min. pilot hole(in) Fishing neck dia.(in) I.D(in) Top Conn. (pin) Bottom Conn.(box) Overall length(in)
KW 311 12 1/4 3 8 1/2 8 1 1/2 6 5/8REG 6 5/8REG 55
KW 406 16 3 10 9 1/2 2 1/4 7 5/8REG 7 5/8REG 59
KW 444 17 1/2 3 10 9 1/2 2 1/4 7 5/8REG 7 5/8REG 59
KW
559
22 3 12 3/4 9 1/2 2 1/3 7 5/8REG 7 5/8REG 69
KW 584 23 3 12 3/4 8 3 6 5/8REG 6 5/8REG 69
KW 610 24 3 14 10 3 7 5/8REG 7 5/8REG 69
KW 660 26 3 17 1/2 10 3 7 5/8REG 7 5/8REG 69
KW 4-914 36 4 26 10 3 1/2 7 5/8REG 7 5/8REG 87
 
 
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