Original
By certification 
Xi'an ZZ Top Oil Tools Co.,Ltd is one of the top level hub clamp manufacturers and suppliers, with professional factory, we are able to produce API and oilfield hub clamp, welcome to contact us.
The Hub Clamps allow faster and easier make up. Where limited space requires, clamp orientation adjustment allows easy access to nuts and bolts. Clamp connections have 360o infinite adjustability.
Manufactured clamps from material which meets or exceeds the requirements of API Spec 16A for material qualification, processing, chemical composition and mechanical properties.
Coating and Painting
Primier |
Epoxy Zinc Rich |
75 micron thickness |
Coating |
Muti-purpose Epoxy Anti-abrasion Coating |
150 micron thickness |
Top Coat |
High Quality Fluorocarbon, Red, Ral 3000 |
50 micron thickness |
Technical parameter
item |
specification |
Bore Size |
1 13/16" - 21 3/4" |
Working Pressure |
2,000psi – 20,000psi |
Type |
normal |
Spec. standard |
API |
Material |
AISI 4130 |
Application |
Oilfield drilling tools |
