Tolerance Standard: Steady dimensional consistency on thread pitch, outer diameter and shoulder positioning, adjustable processing standards following customer engineering drawing demands

Available Brass Material Grades: H59 brass, H62 brass, C3600 free-cutting brass for smooth high-speed turning

Core Machining Craft: Multi-axis CNC lathe turning, internal thread tapping, outer circle chamfering, shoulder forming, inner hole boring integrated processing

Surface Status Options: Natural brass polished finish, anti-tarnish clear coating, light nickel plating on request

Customizable Structural Features: Multi-step diameter stepped pins, hollow through sleeves, internal female threads, limiting flanges, flat positioning notches

Applicable Production Batch Range: Individual prototype samples, medium runs of 20–1000 pieces, large-scale mass production over 1000 units

Material Natural Advantages: Good thermal conductivity, mild corrosion resistance, self-lubricating surface, easy high-speed cutting forming

Smooth Mechanical Connection & Sliding Matching: Brass’s self-lubricating surface lowers friction between matching moving parts, cutting abrasion during frequent plugging and reciprocating movement.

Stable Fluid Conduction Carrier: Hollow threaded brass sleeves serve as pipeline transition connectors, forming sealed flow channels for gas and liquid transmission inside pneumatic and hydraulic equipment.

Electrical Signal Transfer Medium: Dense conductive brass material supports low-loss signal transmission for miniature sensor terminals and electronic internal connecting pins.

Anti-Oxidation Internal Sealing Structure: Natural brass surface slows rust formation under normal humidity levels, maintaining stable thread sealing performance for long-term pipeline operation.

Positioning & Limit Locating Components: Stepped flanges and shoulder structures act as fixed positioning stops, preventing component shifting during equipment assembly and operation.

Heat Dissipation Auxiliary Parts: Excellent thermal conductivity helps disperse heat generated from adjacent circuit modules and fluid control valves to avoid local overheating.

Pneumatic & Hydraulic Pipeline Equipment: Threaded brass sleeve connectors and flow control pin fittings installed inside air pressure regulating valves and small fluid distribution manifolds.

Miniature Electronic Sensors: Stepped brass connecting pins used as internal terminal conductors for pressure, temperature and proximity detection sensor housings.

Laboratory Testing & Analytical Instruments: Small brass fluid transfer bushings and sample positioning pins for portable lab detection devices and liquid analysis modules.

Automated Assembly Station Auxiliary Parts: Brass sliding bushings and locating pins applied on fixture clamping mechanisms for electronic component assembly production lines.

Small Medical Portable Devices: Non-toxic brass threaded connectors for miniature fluid pipelines in handheld diagnostic testing equipment.

Home Appliance Control Modules: Mini brass valve sleeves and signal pins built into water heating, air circulation and small fluid control household devices.

Q1: Can the outer step sizes, inner thread specifications and total length of brass pins and sleeves be fully customized?

A1: All dimensional parameters including step diameter, thread type, hole depth and overall length can be redesigned based on 2D drawings or 3D STEP/IGES files, with unnecessary structural sections removed to match assembly space limits.

Q2: What brass grades are recommended for long-term fluid pipeline and dry sensor terminal usage separately?

A2: C3600 free-cutting brass suits high-volume pipeline fittings with stable threading performance; H62 brass balances conductivity and cost for dry electronic sensor connecting pins.

Q3: Is extra surface anti-tarnish treatment available to slow brass discoloration over time?

A3: Transparent anti-oxidation coating and thin nickel plating surface treatments are optional for parts that need long-term exposure to humid workshop air.

Q4: Can custom thread standards such as metric, NPT and BSP be machined inside brass hollow sleeves?

A4: Multiple global thread standards are supported, including metric threads, NPT and BSP pipe threads, all processed in one lathe setup to guarantee matching sealing performance.

Q5: What is the minimum outer diameter size available for small brass stepped pin fittings?

A5: Mini brass pins with outer diameters starting at 3mm can be produced, with smooth continuous stepped contour forming without rough surface burrs.

Q6: What batch sizes are suitable for brass turning processing with stable Production Efficiency?

A6: CNC lathe equipment fits all order scales; high-speed continuous turning lines improve processing consistency and cycle efficiency for mass orders above 1000 pieces.

Q7: Will brass threaded sleeves leak after long repeated disassembly and assembly cycles?

A7: Uniform thread forming during lathe processing keeps consistent thread tooth profile; paired with standard sealing gaskets, the sleeves maintain reliable sealing after frequent assembly disassembly operations.