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This custom stainless steel knurled thumb screw, also named knurled adjustment stop pin and hand twist positioning pin, is fully manufactured by CNC Swiss automatic lathe in single clamping process.
Constructed from solid 304 stainless steel bar, the component features diamond knurling on the head for friction-enhanced manual tightening, straight slot on end face for auxiliary tool adjustment, standard external thread and precise cylindrical locating shaft.
Finished with natural matte stainless treatment without plating or anodizing, it maintains excellent rust resistance. As a professional OEM manufacturer, we deliver flexible custom service for all specifications of cnc machined locating pin and 304 steel fixture limit pin according to your technical requirements.
Technical Specification
Product Name:Knurled Thumb Screw Adjustment Stop Pin
Strict thread inspection to prevent jamming during repeated screwing operation
Quality Control
Raw stainless steel bar material certification incoming verification
In-process dimensional sampling inspection during Swiss turning & knurling
Complete deburring for thread, knurl and shaft edges
Ultrasonic deep cleaning to eliminate cutting fluid and metal debris
100% thread inspection using go/no-go gauges
Final full inspection for dimension accuracy, knurl integrity and surface appearance before shipment
Supply dimensional inspection reports upon client request
FAQ
Can you make custom stainless steel knurled thumb screw based on my samples or CAD drawings?
Absolutely. We support OEM custom service for all cnc machined locating pin, you can send samples or technical drawings for quotation and prototype development.
What dimensional tolerance can you achieve for this knurled adjustment stop pin?
Standard tolerance ±0.015mm, tighter precision tolerance can be negotiated for special fixture usage.
Can I choose other materials besides 304 stainless steel?
Yes, we can adopt 316 stainless steel, aluminum or carbon steel to produce hand twist positioning pin and fixture limit pin.
Is natural matte finish the only surface treatment available?
We offer passivation, vibration finishing, mirror polishing and other surface processes for stainless steel components.
What is your lead time for custom locating pin orders?
Prototype lead time is around 7–10 working days; mass production lead time depends on your order quantity.
