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M14 Female to M20 Male Thread Adapter Connector
The M14 Female to M20 Male Thread Adapter is a precision-engineered threaded conversion connector designed to bridge mismatched thread sizes in mechanical, electrical, instrumentation, and industrial equipment assemblies. This adapter features an M14 internal female thread on one end and an M20 external male thread on the other end, allowing seamless conversion from M14 mounting ports to standard M20 thread interfaces.
Product Overview
The M14 Female to M20 Male Thread Adapter is a precision-engineered threaded conversion connector designed to bridge mismatched thread sizes in mechanical, electrical, instrumentation, and industrial equipment assemblies. This adapter features an M14 internal female thread on one end and an M20 external male thread on the other end, allowing seamless conversion from M14 mounting ports to standard M20 thread interfaces. Manufactured with high-strength metal material and precision CNC machining, this thread conversion fitting delivers excellent thread matching accuracy, strong locking performance, stable structural strength, and superior corrosion resistance. It effectively solves the common industrial problem of incompatible thread sizes during equipment installation, sensor mounting, wire gland assembly, and mechanical renovation projects.
Engineered for long-term industrial working conditions, the M14 female to M20 male adapter maintains tight locking without loosening, slipping, or thread wear under vibration, high temperature, and humid environments. With standardized metric thread tolerance, perfect concentricity, and smooth thread surface, it ensures fast installation, reliable sealing, and stable mechanical connection. Widely compatible with sensors, cable glands, junction boxes, automation equipment, lighting fixtures, and mechanical hardware, this thread adapter is an essential universal conversion component for industrial assembly, equipment upgrading, and engineering modification worldwide.
Product Specifications & Technical Parameters
All dimensions, thread standards, mechanical properties, and material parameters are strictly produced according to international metric industrial standards. Every product is inspected for thread tolerance, concentricity, surface finish, and structural stability to ensure full compatibility and interchangeability in global industrial applications.
1.1 Thread Specification
| Part Number | 112000009/112000010 |
| Male Thread Standard | M20 Metric External Thread (Standard Industrial Pitch)(OD‑M14‑4M‑H‑0‑S0‑0) |
| Female Thread Standard | M14 Metric Internal Thread (Standard Industrial Pitch)(OD‑M14‑4F‑H‑0‑S0‑0) |
| Thread Tolerance Grade | Industrial precision grade for tight fit assembly |
| Thread Type | Full straight metric thread, no deformation, no burrs |
| Concentricity | High‑precision one‑piece molding to ensure vertical and parallel installation |
1.2 Material & Surface Treatment
- Main Material: High-quality carbon steel or stainless steel (optional)
- Surface Treatment: Galvanized anti-rust treatment, oxidation resistance, corrosion resistance
- Structural Process: Integral CNC precision machining, one-piece forming
- Surface Feature: Smooth thread surface, uniform tooth spacing, tight locking
1.3 Mechanical Performance Parameters
- Structural Strength: High tensile strength, resistant to torsion and extrusion deformation
- Locking Performance: Anti-loose thread design, stable connection under vibration environment
- Installation Mode: Screw-in manual installation, tool-assisted locking
- Service Life: Long-term repeated disassembly and assembly without thread slipping
1.4 Environmental Adaptability
- Working Temperature: -40℃ to +85℃
- Working Environment: Dust-proof, moisture-proof, anti-corrosion, suitable for indoor and outdoor industrial environments
- Anti-aging Performance: No rust, no oxidation, no tooth damage after long-term use
Product Features & Core Advantages
The M14 female to M20 male thread adapter solves the industry pain point of thread size mismatch perfectly. Compared with ordinary conversion accessories on the market, this product has obvious advantages in precision, durability, compatibility and safety.
2.1 Precise Thread Matching, Zero Installation Error
This thread adapter adopts professional CNC precision cutting technology, with standard M14 female thread and M20 male thread tooth spacing and depth. The thread is smooth without burrs, ensuring smooth screwing in and tight locking. It completely avoids poor matching, jamming, thread slipping, and loose connection caused by inaccurate thread tolerance of ordinary inferior adapters. High concentricity ensures vertical installation of equipment, no deflection, no tilt, greatly improving the overall installation accuracy of mechanical and electrical equipment.
2.2 High Structural Strength, Vibration Resistant & Anti-loose
Made of high-strength metal material, the overall structure is solid and durable, not easy to deform or crack under torsion and pressure. The standard thread tooth profile provides large contact area and strong locking force. In mechanical vibration, equipment operation, and mobile working scenarios, it can maintain long-term stable connection without loosening or falling off. It effectively avoids equipment failure, sealing failure and safety accidents caused by loose thread conversion joints.
2.3 Excellent Anti-corrosion & Anti-rust Performance
The surface adopts advanced galvanized anti-oxidation treatment, which can effectively resist air oxidation, humid environment corrosion, and industrial chemical erosion. It will not rust or discolor after long-term outdoor and workshop use, maintaining stable thread accuracy and locking performance all the time. It greatly reduces the replacement frequency of accessories and improves the durability of the whole equipment system.
2.4 Universal Compatibility & Easy Installation
With standard M14 and M20 metric thread specifications, the adapter is universally compatible with all mainstream M14 port equipment and M20 thread accessories on the market, including cable glands, sensors, lamps, junction boxes, and mechanical fixing seats. The conversion structure is simple and efficient, no need to modify equipment structure, no need to drill or reprocess, realizing direct plug-and-screw conversion, greatly improving construction and maintenance efficiency.
2.5 Cost-effective & Practical Industrial Solution
This thread converter provides a low-cost and efficient solution for equipment renovation, size matching and engineering modification. Instead of replacing expensive whole sets of equipment, users only need this small adapter to complete thread size conversion, saving a lot of equipment update cost and construction time. With stable quality and long service life, it is the most cost-effective general hardware accessory for industrial engineering, automation assembly and equipment maintenance.
Wide Application Scenarios
The M14 female to M20 male thread adapter has strong universality and is widely used in mechanical assembly, electrical engineering, automation industry, instrumentation, lighting engineering and equipment maintenance fields.
3.1 Industrial Automation Equipment
It is widely used in automated production lines, mechanical fixtures, equipment fixing seats, and pneumatic and hydraulic accessory conversion. It solves the problem of inconsistent thread sizes between different brand equipment and accessories, realizing standardized assembly of automation equipment.
3.2 Sensor & Instrument Installation
Many industrial sensors, temperature sensors, pressure sensors and detection instruments adopt M14 mounting holes, while the installation brackets and equipment ports are M20 standard threads. This adapter can perfectly realize size conversion, ensuring stable and vertical installation of precision instruments and improving detection accuracy.
3.3 Cable Gland & Electrical Junction Box Conversion
Used for thread conversion of electrical cable glands, waterproof connectors, and junction box mounting ports. It helps engineers quickly match different thread standard waterproof connectors, ensuring electrical wiring sealing and safety, and is widely used in electrical engineering renovation and wiring projects.
3.4 Lighting & Mechanical Hardware Engineering
Suitable for industrial lighting lamps, equipment light fixtures, mechanical fixing bolts, and hardware connection conversion. It is commonly used in factory renovation, mechanical equipment upgrading and engineering installation projects.
3.5 Equipment Maintenance & Renovation Projects
In old equipment maintenance, equipment transformation and factory upgrading, original M14 interface equipment often cannot match new M20 standard accessories. This thread adapter realizes fast conversion without changing equipment structure, greatly improving maintenance efficiency and reducing engineering costs.
Frequently Asked Questions (FAQ)
Q1: What is the function of the M14 female to M20 male thread adapter?
A1: This adapter converts an M14 internal female thread interface to an M20 external male thread interface, enabling free matching between M14 port equipment and M20 standard accessories, solving thread size mismatch problems in industrial installation and equipment assembly.
Q2: Is the thread precision universal for industrial standard parts?
A2: Yes. All threads are manufactured strictly according to international metric industrial standards. The tooth pitch, thread depth and tolerance fully match mainstream M14 and M20 standard parts in the market, ensuring smooth screwing and tight locking.
Q3: Can it be used in vibration and outdoor environments?
A3: Absolutely. The product features high structural strength, anti-loose thread design and anti-rust surface treatment. It can work stably in mechanical vibration, outdoor dust, humid and high and low temperature environments without loosening or rusting.
Q4: Does the adapter need auxiliary sealing accessories?
A4: The precision thread itself provides good fitting tightness. For waterproof and dustproof scenarios, it can be used with sealing gaskets to achieve higher-level waterproof and dustproof effects, fully meeting industrial protection requirements.
Q5: Is customized size and material support available?
A5: Yes. We support OEM and ODM customized services, including different thread sizes, stainless steel material replacement, lengthened body, special surface treatment and non-standard custom thread adapters.
Contact Us
We are a professional manufacturer specializing in various metric thread adapters, thread conversion fittings, cable gland accessories, mechanical hardware connectors and industrial precision accessories. With complete production equipment, mature CNC processing technology and strict quality inspection system, we provide high-precision, high-strength and high-durability industrial thread accessories for global industrial customers.
We support wholesale bulk orders, sample testing, customized non-standard thread parts and long-term OEM cooperation. All products are strictly inspected before delivery to ensure stable quality and consistent performance. If you have any technical consultation, parameter matching, procurement demand or customized requirements, please feel free to contact our professional sales team. We will provide you with the most professional product solutions, competitive factory prices and reliable after-sales service. We sincerely look forward to establishing stable and long-term win-win cooperative relationships with global customers.
