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This hexagonal stainless steel threaded instrument end cap is precision manufactured from solid 316 stainless steel bar stock using CNC turn-mill composite machining technology. The component features external M52 thread, hexagonal outer profile for wrench installation, internal tri-spoke hollow support structure, central locating bore and precision sealing shoulders. All machining features are completed on integrated turn-mill centers to guarantee concentricity and dimensional consistency. After machining, strict deburring and ultrasonic cleaning are performed to remove micro burrs and machining residues, maintaining natural raw turning finish without extra surface coating. We operate as a professional custom CNC machined parts manufacturer. Besides standard dimension variants shown on page, we accept fully customized production based on your engineering drawings or physical samples. Custom thread specs, outline shapes, internal structure and tolerance requirements are all supported.
316 stainless steel material provides reliable corrosion resistance for long service life in humid, liquid contact working environments.
Professional precision deburring removes tiny burrs to prevent scratch damage to sealing gaskets during installation.
Custom service flexible enough to adjust designs according to project iteration, no rigid fixed-size limitation.
Stable thread machining quality prevents thread galling and leakage risks during repeated assembly and disassembly.
Quality Control
Raw material inspection: Material certification verification for every batch of 316 stainless steel bar stock.
First article inspection for each new production batch before mass production.
In-process dimensional sampling inspection during CNC machining.
Final full inspection of critical dimensions, thread quality and surface condition before shipment.
CMM, caliper, thread gauge and optical measuring instruments for precision dimension verification.
Cleanliness inspection after ultrasonic cleaning to remove machining oil and debris.
Inspection report can be provided upon customer request.
Shipping & Delivery
Prototype lead time: 7–12 working days after drawing confirmation and deposit.
Mass production lead time: 15–25 working days based on order quantity.
Shipping options: International express (DHL, FedEx, UPS), sea freight, air freight as customer’s selection.
Goods are packed with shockproof protective packaging to avoid surface scratches during transit.
We support door-to-door delivery or port pickup terms.
We can follow customer designated freight forwarder for shipment arrangement.
Frequently Asked Questions (FAQ)
Q1: Can you produce parts strictly according to our engineering drawings?
A: Yes, we offer full OEM custom service. We manufacture CNC machined stainless steel housing components strictly following your CAD drawings or sample requirements.
Q2: What material grades can you use for custom threaded housing?
A: We process 304, 316 stainless steel, aluminum alloy and other metal materials as customer requirements.
Q3: Is prototype order available before mass production?
A: Yes, we support small quantity prototype orders for function testing before bulk orders.
Q4: What surface finishing options are available besides natural turning finish?
A: Optional surface treatments include passivation, bead blasting, mechanical polishing, please inform us your requirements.
Q5: What tolerance levels can your CNC machining achieve?
A: Normally we maintain ±0.02 mm precision for critical features; tighter tolerance standards can be negotiated based on design.
