Custom Precision Knurled Brass Threaded Connector - High-Grip Gas Sealing Solution from China Suppliers and Factory Suppliers, Factories

Feature: Our product offers a high-grip surface designed for manual tightening, ensuring an extremely precise thread engagement ideal for gas sealing applications.
Capability: As a leading manufacturer in China, our factory employs advanced Swiss-style CNC lathes to execute turning and knurling in a single setup, guaranteeing flawless concentricity. Partner with us, your trusted suppliers, for high-quality components that meet the demands of modern engineering

Product Description

Product Overview

This precision brass connector serves as a critical interface in fluid control systems and pneumatic assemblies. Designed for high-end industrial applications, it balances structural integrity with functional ergonomics. The part features a distinctive diamond knurling pattern for manual tightening and precision-cut threads for secure sealing. As an OEM manufacturer, Sunmy Hardware produces these connectors tailored to specific client drawings, ensuring perfect compatibility with mating components.

Key Specifications

Material Brass C36000
Process CNC Turning, Knurling, Threading
Tolerance ±0.01mm
Surface Finish Ra 0.8 (As machined)
Thread Type M20 x 1.5 Custom Thread

Manufacturing Process Insight

Production utilizes our advanced Swiss-style CNC Lathes (Sliding Headstock).

One-Setup Machining

Turning, facing, threading, and knurling are completed in a single operation to guarantee varying concentricity within 0.01mm.

Precision Knurling

Unlike standard rolling, we use a cut-knurling process to create sharp, well-defined diamond patterns that provide superior grip without flaking.

Thread Protection

Automated thread checking during production ensures every part meets the Go/No-Go gauge standards before leaving the machine.

Key Features & Benefits

Features1

Material Excellence

Machined from Brass C36000, offering excellent corrosion resistance and natural antimicrobial properties.

Features2

Tactile Grip

The deep diamond knurling allows for tool-free assembly and disassembly, ideal for maintenance-heavy environments.

Features3

Leak-Proof Design

High-precision threads (M20 standard or custom pitch) ensure a tight seal against gas or liquid leakage.

Features4

Surface Finish

Parts are degreased and passivated, resulting in a bright, oxidation-resistant gold finish.

Technical FAQ

  • Q1Can you customize the thread type?

    Yes, we support Metric (M), NPT, BSPP, and BSPT thread standards based on your requirements.

  • Q2What is the minimum order quantity (MOQ) for turned parts?

    We are flexible. We handle prototypes (1–10 pcs) via CNC and high-volume runs (10,000+ pcs) via auto-lathe.

  • Q3How do you handle raw material verification?

    We provide Material Mill Certificates for every batch of brass used to verify chemical composition.

  • Q4What surface treatment options are available for brass connectors?

    We offer as-machined (bright brass), nickel plating, chrome plating, and passivation treatments depending on the application environment and customer specification.

  • Q5Can you produce parts based on our 2D drawings or 3D CAD files?

    Yes. We accept DWG, DXF, STEP, IGES, and PDF formats. Our engineering team will perform a DFM (Design for Manufacturability) review before production begins to ensure optimal results.

  • Q6What quality inspection reports can you provide with shipments?

    We can supply a full quality package including dimensional inspection reports, material certifications, surface roughness measurements, and thread gauge verification records upon request.

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