SUS304 Piston Adapter Probe Wand, 5.113 in Long, Ra 32 All Surfaces
304 stainless probe wand: ball end Ø.215 +/-0.002 in, 5/16-24 UNF internal thread, Ø.314 +.000/-.006 in journal, 5.113 in overall, Ra 32 all surfaces. Quote in 24 hours.
General Industrial Components
A long slender piston adapter and probe wand in 304 stainless with a precision ball end, UNF internal connection, and polished surfaces throughout.
Or email drawings to kgl@kglmfc.com
Key Specifications
| Parameter | KGL Capability |
|---|---|
| Material | Stainless steel 304 |
| Process | CNC turning of the slender shaft, 5/16-24 UNF internal threading, flat milling, ball end turning, polishing to Ra 32; AWS D18.1 welding on assembly variants |
| Ball end | Ø.215 +/-0.002 in |
| Thread | 5/16-24 UNF internal |
| Journal | Ø.314 +.000/-.006 in |
| Overall length | 5.113 / 4.61 in variants |
| Finish | Ra 32 microinch all surfaces |
| Inspection | Caliper and micrometer, UNF gauges class 2, ball verification, roughness comparison |
| Tolerance | ±0.005 mm standard on metals, engineering plastics, and carbon fiber composite |
| Certifications | ISO 9001:2015, ISO 13485:2016, AS9100D |
| Capacity | 100+ CNC machines including 11 five-axis centers |
| MOQ | No MOQ; 1-piece prototypes supported |
| Quote | Within 24 hours for complete 2D/3D files |
About This Part
Probe wands fail at their ends, so the ends get the control: a ball end at Ø.215 plus or minus 0.002 in, turned and verified per part, and a 5/16 24 UNF internal thread for the mating connection, gauged to class 2. The Ø.314 +.000/-.006 in journal and 45 degree features complete the interface, with 5.113 in overall length on a slender shank that stays straight because it is turned complete in one setup.
All surfaces finish at Ra 32 microinch, polished, which is what a wand that people handle and that meets fluid expects. Welded tube work per AWS D18.1 D18.1M 2009 and post weld treatment per ASME Y14.5 2009 are supported on the assembly variants.
It pairs with a V0008 00 O ring in the assembly. Inspection is caliper and micrometer, UNF thread gauges, ball diameter verification, and roughness comparison.
This part family supports the Industrial Parts industry. Read how KGL machines parts for that sector, then send your drawing for a quote.
Why Machine It at KGL
Five-Axis Fleet
100+ CNC machines including 11 five-axis centers run complex geometry in single setups, so tolerances do not stack up across refixturing.
Verified Accuracy
±0.005 mm standard on metals, plastics, and carbon fiber composite, verified on Hexagon and Zeiss CMMs (0.0015 mm accuracy).
Fast Prototypes
Engineering feedback with every quotation; prototype parts typically machined in 15 to 25 days.
One Supplier, End to End
Material sourcing, machining, heat treatment coordination, finishing, CMM inspection and export packaging under one roof.
Part-Specific Advantages
- Ball end Ø.215 +/-0.002 in, verified per part
- 5/16-24 UNF internal thread, class 2 gauged
- Ø.314 +.000/-.006 in journal, 5.113 in overall
- Ra 32 microinch on all surfaces, polished
- 304 stainless with AWS D18.1 weld support
Typical Applications
- Piston adapters and probe wands in fluid assemblies
- Slender stainless connection shafts
- Medical and automation wand components
Commercial Terms
| Commercial | Detail |
|---|---|
| MOQ | No MOQ; 1-piece prototype supported |
| Quote | Within 24 hours for complete 2D/3D files |
| Terms | EXW / FOB Shenzhen |
| Certifications | ISO 9001:2015 |
| Packaging | Individual bubble wrap, export carton or wooden case |
| Lead Time | Prototypes 7 to 15 days; production scheduled by volume |
Common Questions
Why verify the ball per part?
The ball is the contact feature; a tenth out and the mechanism feels it. It is one measurement that protects the whole assembly, so it runs every time.
Why Ra 32 everywhere?
It is clean, handleable, and consistent for a part that meets fluid and hands. Polish to a spec rather than to an opinion.
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