Factory Price Retrievable Symmetric Overburden Drilling Ring Bit Concentric Casing System

• Surface Treatment：Spray-Paint
• Manufacturing Process：Forging
• Material：Alloy Steel
• Outer Dia.：127mm
• Reamed Dia.：135mm
• N.W.：13 Kgs

=== Base Info ===

• Transport Package：Carton,Wooden Case
• Trademark：NEWAY POWER
• Origin：China
• HS Code：82071990

=== Description ===

 
Product Data:
 
NWTB Series Eccentric Drill Bits
Model No.
Outer Dia.(mm)
Inner Dia.(mm)
Reamed Dia.(mm)
Weithg
(kgs)
Recommend
Hammer typesNWEB898978925NWLH76NWEB108108961158.5NWLH90NWEB12712710913513NWLH110 /NWHH45ANWEB14614612815534NWLH110 /NWHH45ANWEB168168156177/NWLH110 /NWHH55ANWEB178178158187/DHD55ANWEB194194180209/DHD65ANWEB219219205237/DHD65ANWEB245245225264/DHD85ANWEB273273257308/DHD85ANWEB325325305358/DHD105ANWEB406406///DHD120A
Technical Process:

1. Steel
2. Lathe
3. Punching
4.Welding Carbide Button
5. Painting


Package and Stock: