01 / CORE APPLICATIONAutomation & motion
Will the mating parts fit and move as intended?
- Stepped shafts
- Flanged guide bushings
- Shoulder locating pins
THE CHENGSHUO COMPONENT CASEBOOK
Real parts.
Specific decisions.
Find a part close to yours. Explore its geometry, the questions that shape its manufacture, and what your team needs to specify.
32product cases5buyer pathways6component families
COMPONENTS BY THE PRODUCT YOU BUILD
Start with your assembly.
Find the right conversation.
Each collection connects the forms you may need with the features your engineering, sourcing and quality teams need to define.
01 / CORE APPLICATION
02 / CORE APPLICATIONInstruments & sensors
Can small features assemble cleanly and consistently?
- Sensor tube housings
- Process connection bases
- Thin-wall guide sleeves
03 / CORE APPLICATIONFluid connections
Are threads, passages and seal interfaces fully defined?
- Hex through-bore adapters
- Valve needles & stems
- Valve seat inserts
04 / ADDITIONAL SCOPEElectronic hardware
Will the board, connectors and cover assemble correctly?
- Aluminum enclosures
- Mounting plates
- Threaded standoffs
Illustrative component forms · manufacturing review required. Each collection links to relevant photographed references.
FROM ORDER TO RECORDED DELIVERY
Real order scope.
Visible milestones.
Explore three anonymized Chengshuo order records, then define the inspection and handover requirements for your own parts.
All delivery recordsRECORDED DELIVERY / CS-D01
Completed order · delivered2,400pieces in order scope
Stainless steel screw studs
A screw-stud order with SS304 recorded in the order note and 2,400 pieces in the order scope.
Tracking recorded delivery
Explore the recordRECORDED DELIVERY / CS-D02
Completed order · deliveredPINcomponent in the order record
Pin order handover
A component described as PIN in the order record. The platform marks the order complete, and carrier tracking records delivery.
Tracking recorded delivery
Explore the recordRECORDED DELIVERY / CS-D03
Completed order · delivered441pieces across 11 quantity lines
Mixed-component order
A custom-component order recording 441 pieces across 11 quantity lines grouped under 10 product listings.
Tracking recorded delivery
Explore the recordAnonymized record summary. Company Alibaba order record · reviewed 16 Sep 2026. Order and tracking statuses do not establish dimensional inspection results, customer quality acceptance or the customer’s end-use.
FROM COMPONENT TO PROCUREMENT BRIEF
A closer match.
A better conversation.
Component presentations with original photographs and individual reviews of geometry, specification and acceptance. Narrow the collection to the project you are working on.
32 product cases
Shafts & pins
AI-assisted studio viewInternally threaded guide pillars
A working guide section and end fixing interface. Separate the guide fit, working length and thread requirements.
REVIEW FOCUSWorking guide section
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AI-assisted studio viewStepped stainless shafts
Multiple diameters, shoulders and grooves in one component. Review the fits and references that locate your assembly.
REVIEW FOCUSFunctional diameters
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AI-assisted studio viewBrass contact pillars
Stepped brass components with locating and contact regions. Define mechanical fit, surface condition and any required electrical tests separately.
REVIEW FOCUSStepped locating diameters
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AI-assisted studio viewStepped copper shafts
Turned body sections, collars and narrow grooves. Connect the feature positions to the component’s mating and retention requirements.
REVIEW FOCUSStepped body
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AI-assisted studio viewBrass locating pins
Small turned sections and shoulders for positioning and insertion. Review the mating fit, entry edges and handling requirements.
REVIEW FOCUSLocating sections
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AI-assisted studio viewGimbal support columns
A formed support with machined interfaces. Separate the casting envelope from the seats and mounting features requiring final machining.
REVIEW FOCUSCentral support stem
Explore the case Bushings & rings
AI-assisted studio viewSensor mounting sleeves
An extended internal envelope with a stepped collar. Review insert clearance, mounting stop and closure interfaces.
REVIEW FOCUSLong internal envelope
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AI-assisted studio viewShaft positioning collars
A bore, axial stop face and radial fixing feature. Review the locating fit and how the collar is retained.
REVIEW FOCUSCentral through-bore
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AI-assisted studio viewStainless tube components
Bore, wall section and secondary openings. Review end conditions, hole positions and edge treatment as one component.
REVIEW FOCUSBore and outside profile
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AI-assisted studio viewAluminum spacers & washers
Annular parts for spacing and seating. Define stack height, contact faces and the clearance around the central opening.
REVIEW FOCUSThickness through the stack
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AI-assisted studio viewFlanged brass sleeves
Bore, outside diameter and flange interfaces for custom assemblies. Review how the sleeve locates and supports the mating component.
REVIEW FOCUSInternal bore
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AI-assisted studio viewBrass washer profiles
Contact faces, central openings and specified relief details. Define the section and edge condition your assembly needs.
REVIEW FOCUSAnnular contact area
Explore the case Threaded components
AI-assisted studio viewGrooved stainless joints
Bored bodies with external grooves and stepped ends. Connect the internal fit to the features that retain and locate the joint.
REVIEW FOCUSCentral bore
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AI-assisted studio viewBrass valve connections
Bore, side access and textured grip features. Establish the connection geometry and the requirements at each functional interface.
REVIEW FOCUSBore and side opening
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AI-assisted studio viewInternally threaded lock nuts
Thread engagement, outer recesses and a seating face. Define the mating thread, tool access and final finishing condition.
REVIEW FOCUSInternal thread
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AI-assisted studio viewExtended threaded bolts
A smooth shank, extended thread and tool-engagement head. Distinguish grip length from the thread that joins the mating part.
REVIEW FOCUSSmooth shank section
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AI-assisted studio viewFlanged brass nuts
A central thread combined with a mounting flange. Review thread engagement, seating contact and the mounting-hole relationship.
REVIEW FOCUSCentral threaded interface
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AI-assisted studio viewThreaded stainless couplings
External threads, shoulder seats and cross holes. Review mating engagement, installation access and edges inside the passage.
REVIEW FOCUSExternal thread
Explore the case Housings & enclosures
AI-assisted studio viewAluminum USB housings
Slim enclosures with connector openings. Coordinate the port cutouts, board position and end interfaces before machining review.
REVIEW FOCUSPort openings
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AI-assisted studio viewOpen aluminum enclosures
Box geometry, side openings and mounting details. Check board clearance, service access and closure requirements together.
REVIEW FOCUSOpen box envelope
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AI-assisted studio viewMachined watch case frames
Recessed seats meet a shaped exterior. Review internal clearances, assembly access and the surfaces that remain visible.
REVIEW FOCUSRecessed internal features
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AI-assisted studio viewTubular aluminum shells
Long internal cavities and shaped exterior surfaces. Separate the assembly fit, grip profile and visible finishing requirements.
REVIEW FOCUSTubular internal space
Explore the case Flanges & covers
AI-assisted studio viewStainless mounting flanges
A central bore, repeated holes and annular seating face. Specify the common datums and the mounting relationship.
REVIEW FOCUSCentral through-bore
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AI-assisted studio viewSlotted flange seats
Bores, curved slots and hole patterns on a mounting face. Define the locating reference and adjustment features.
REVIEW FOCUSCentral bore
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AI-assisted studio viewAngled stainless connectors
A stepped base and angled upper body. Relate the front openings to the mounting reference and assembly direction.
REVIEW FOCUSStepped circular base
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Original workshop photographTransparent PMMA covers
Clear covers with closure and contact features. Specify the mating interface separately from the viewing and cosmetic surfaces.
REVIEW FOCUSClosure interface
Explore the case Milled components
AI-assisted studio viewSlotted stainless valve parts
Turned bodies with a secondary milled slot. Review the slot location, contact edges and relationship to the turned axis.
REVIEW FOCUSCylindrical body
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AI-assisted studio viewPocketed positioning blocks
Reference faces, pockets and multiple holes. Build the machining and inspection brief around the features that position your assembly.
REVIEW FOCUSReference faces
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AI-assisted studio viewAngled mounting plates
Attachment faces and fastening openings across an angled form. Review the locating surfaces and assembly access.
REVIEW FOCUSAttachment faces
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AI-assisted studio viewMulti-position grinding fixtures
Repeated holding positions on a shared fixture. Define position references, loading access and the interfaces needing individual checks.
REVIEW FOCUSRepeated holding positions
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AI-assisted studio viewCustom aluminum clamps
Formed outer geometry with machined contact regions. Define the holding surfaces, mounting interfaces and casting scope.
REVIEW FOCUSShaped contact regions
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AI-assisted studio viewOpen positioning frames
Machined mating features around an open envelope. Review datums, access and the relationships that locate the supported part.
REVIEW FOCUSOpen frame envelope
Explore the case No matching product cases.
Try a broader term or reset the filters. You can also send your drawing for a component-specific review.
NEW / ENGINEERING CONCEPT COLLECTION
Explore the interface your product needs.
Purposeful component forms for automation, sensors and fluid equipment. Explore the geometry and buying decisions, then develop your own drawing-led brief.
20 engineering concepts shown
AI-generated engineering concept
Automation & motion
Diamond locating pin
Two close-fitting round pins can make a fixture difficult to load when hole spacing varies.
Key geometry & review priorities
Relieved locating head · Controlled contact lands · Shouldered mounting shank
- Contact direction
- Relief clearance
- Mounting interface
- Final condition
Feasibility and acceptance require your drawing.
AI-generated engineering concept
Automation & motion
Knurled press-fit insert
A thread gauge can pass even when the insert damages the host or moves under assembly load.
Key geometry & review priorities
Internal female thread · External knurled grip bands · Insertion lead and relief
- Knurled envelope
- Receiving hole
- Usable thread
- Entry edges
Feasibility and acceptance require your drawing.
AI-generated engineering concept
Automation & motion
Precision shoulder spacer
A correct overall length can still leave a gap or unwanted contact if the shoulder and mating seats are not defined.
Key geometry & review priorities
Concentric through bore · Reduced locating pilot · Controlled shoulder and end faces
- Working length
- Pilot fit
- Face relationship
- Corner clearance
Feasibility and acceptance require your drawing.
AI-generated engineering concept
Automation & motion
Split clamping hub
A bore that fits before tightening may behave differently after the clamp screw is loaded.
Key geometry & review priorities
Single radial clamping split · Transverse clamp-screw hole · Bored hub and mounting flange
- Single split
- Clamp screw path
- Bore condition
- Mounting datum
Feasibility and acceptance require your drawing.
AI-generated engineering concept
Sensors & instrumentation
Optical lens retaining ring
A retaining ring may thread into the barrel yet contact the lens incorrectly or obstruct the intended aperture.
Key geometry & review priorities
Fine external thread · Opposed spanner slots · Annular retaining contact land
- Clear aperture
- Contact land
- External thread
- Spanner slots
Feasibility and acceptance require your drawing.
AI-generated engineering concept
Sensors & instrumentation
Bulkhead connector shell
The shell can meet its outside dimensions while the panel, locking hardware and insert do not align.
Key geometry & review priorities
Panel-mount threaded neck · Wrench shoulder and orientation flat · Internal insert locating seat
- Panel seating
- Insert location
- Orientation
- Finished connection
Feasibility and acceptance require your drawing.
AI-generated engineering concept
Sensors & instrumentation
Coaxial center contact
Plating, termination geometry and insulator fit can change an otherwise acceptable turned-contact interface.
Key geometry & review priorities
Solid turned mating tip · Concentric insulator locating shoulder · Rear termination cup
- Mating tip
- Insulator seat
- Termination cup
- Coating allowance
Feasibility and acceptance require your drawing.
AI-generated engineering concept
Sensors & instrumentation
Ceramic ferrule holder
A holder can pass a bore check yet locate the ferrule at the wrong depth or stress it during assembly.
Key geometry & review priorities
Ferrule receiving bore · Axial locating shoulder · External mounting pilot
- Receiving bore
- Axial stop
- Mounting reference
- Assembly cleanliness
Feasibility and acceptance require your drawing.
AI-generated engineering concept
Fluid control & equipment
Metering valve needle
The same tip length can produce a different relationship to the seat if taper definition and axial travel are unclear.
Key geometry & review priorities
Controlled metering taper · Guided stem journal · Adjustment thread and shoulder
- Taper profile
- Guided relationship
- Adjustment geometry
- Surface and handling
Feasibility and acceptance require your drawing.
AI-generated engineering concept
Fluid control & equipment
Banjo fitting body
A fitting can assemble mechanically while an uncontrolled burr or damaged sealing face compromises the intended flow path.
Key geometry & review priorities
Central bolt-eye passage · Parallel annular sealing faces · Threaded side connection
- Bolt eye
- Seal faces
- Threaded side port
- Intersection edges
Feasibility and acceptance require your drawing.
AI-generated engineering concept
Fluid control & equipment
Face-seal gland nut
A nominally matching thread does not establish that the internal shoulder, gland and seal stack are compatible.
Key geometry & review priorities
Internal connection thread · Annular gland-retaining shoulder · Hexagonal wrench interface
- Internal thread
- Retaining shoulder
- Gland clearance
- Wrench access
Feasibility and acceptance require your drawing.
AI-generated engineering concept
Fluid control & equipment
Tapered valve seat insert
A visible cone does not define the contact band, installed position or leakage behavior of the valve.
Key geometry & review priorities
Recessed conical seating surface · Concentric flow passage · External locating land and flange
- Seating profile
- Locating land
- Flow bore
- Axial stop
Feasibility and acceptance require your drawing.
AI-generated engineering concept
Automation & motion
D-flat drive spindle
A hub can fit the shaft diameter yet sit at the wrong angle or axial position.
Key geometry & review priorities
D-flat drive interface · Stepped bearing journals · Axial locating shoulder
- Flat geometry
- Journal relationship
- Axial position
- Finished condition
Feasibility and acceptance require your drawing.
AI-generated engineering concept
Automation & motion
Hollow pivot pin
A pin can pass incoming size checks while the cross-hole edge or installed fit interferes with the mating assembly.
Key geometry & review priorities
Axial through bore · Radial cross hole · Shouldered pivot journal
- Working journal
- Bore and cross hole
- Retention interface
- Surface protection
Feasibility and acceptance require your drawing.
AI-generated engineering concept
Automation & motion
Threaded spring plunger body
Thread fit alone does not establish pin travel, spring space or a reliable retention method.
Key geometry & review priorities
External mounting thread · Internal spring cavity · Reduced front opening
- Mounting thread
- Internal envelope
- Retaining geometry
- Assembly scope
Feasibility and acceptance require your drawing.
AI-generated engineering concept
Sensors & instrumentation
Blind-bore sensor pocket
Overall length and drilled depth can look acceptable while the sensor has the wrong insertion space or end contact.
Key geometry & review priorities
Blind axial sensor bore · Closed sensing-end wall · Mounting shoulder
- Usable bore depth
- Remaining wall
- Mounting position
- Validation ownership
Feasibility and acceptance require your drawing.
AI-generated engineering concept
Sensors & instrumentation
Threaded sensor end cap
A cap can screw into place while trapping an internal component or compressing the seal against the wrong surface.
Key geometry & review priorities
Closed cup-shaped end · External closure thread · Internal clearance pocket
- Thread-to-seat relationship
- Internal clearance
- Seal contact
- Cosmetic surfaces
Feasibility and acceptance require your drawing.
AI-generated engineering concept
Sensors & instrumentation
Cable-entry compression body
The mounting thread can be correct while the cable or sealing insert is mismatched to the internal passage.
Key geometry & review priorities
Hexagonal wrench flats · Threaded mounting section · Stepped cable passage
- Enclosure mount
- Cable passage
- Seal support
- Wrench access
Feasibility and acceptance require your drawing.
AI-generated engineering concept
Fluid control & equipment
Cross-ported spool valve sleeve
Acceptable hole sizes do not establish the intended overlap, sliding behaviour or internal edge condition.
Key geometry & review priorities
Axial spool bore · Radial port pattern · Outer locating shoulders
- Bore in its final condition
- Port position
- Internal intersections
- Matched assembly
Feasibility and acceptance require your drawing.
AI-generated engineering concept
Fluid control & equipment
Retained hose-tail stem
A hose-tail diameter alone does not define tube fit, assembly damage or retention inside the device.
Key geometry & review priorities
Rounded hose-barb profile · Axial through passage · Shoulder and retaining groove
- Tube-contact profile
- Device-side retention
- Passage and edges
- Assembly validation
Feasibility and acceptance require your drawing.
No concepts in this selection.
Try all concepts or another application.
AI-generated geometry studies, not photographed production or completed customer projects. Each concept includes a manufacturing review brief; specifications are agreed from your drawing.
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The part is the starting point.
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FROM EXAMPLE TO YOUR REQUIREMENT
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