बीजिंग में ड्रिल कॉलर

Features - High Strength Durable Steel Precise Bores Api Standard Factory Direct Timely Delivery

Features - High tensile Wide usability Market leading Good material

color - Gold

material - Good quality

Diameter - Variable

Features - High Strength Improved Rigidity Api Compliant Durable Material Precise Weight Efficient Drilling Various Types Cost Effective

Finish - Painted Blue

Features - High Strength Long Lifespan API compliant Durable Material Precise Machining Fatigue Resistant Enhanced Drilling Cost Effective

Length - Customized

Material - AISI 4145H steel

Charpy Impact - 40 Ft-Lbs

Coating - Phosphate

Connections - Api And H-90

Features - High Strength API Compliant Durable Design Precise Machining Corrosion Resistant Efficient Drilling

Length - 5-31 ft

Material - AISI4145HM

Application - In Drilling

Capacity - High

Condition - New

API Standard - API Spec 7

Charpy Value - 40ft-lb

Construction - Finishing Rolling

Dimensions - Variable

External diameter - Variable

Features - High strength Durable design Precise engineering Long lifespan Reliable performance Cost-effective Easy installation

Color - Blue

Durability - High

Features - Supreme Quality Longer Life Economical Prices Advance Technology Fine Quality

Capacity - Customizable

Dimensions - Variable

Features - Easy Operation Safe Lifting Efficient Design Durable Material Cost Effective Increased Output Improved Safety

Application - Various Sectors

Color - Silver

Durability - Longer

Dimensions - Large

Features - CNC threading Heavy-duty High precision Stable operation Easy operation Efficient Durable Reliable

Guide rail - Roller straight-line

API monogram - Yes

Dimensions - Varied

Features - Fast alignment Safe handling Durable design High quality Easy operation Reliable latch

Api Standard - Api Spec 7K

Features - Secure Grip Durable Design Easy Handling Wide Range Api Compliant Cost-Effective High Quality Precise Fit

Finish - Painted

API Compliance - 7-1

Diameter - Variable

Features - Enhanced durability Improved handling Reduced stress API compliant Efficient drilling

Coating - Protective coating

Dimensions - Variable

Features - Reduced friction Prevents sticking Increased efficiency API compliant Durable design Easy to use Cost effective