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Custom 303 Stainless Steel CNC Machined Tapered Dowel Pin with Custom Taper Angle for Precision Locating
| Place of Origin | GuangDong Dongguan |
| Brand Name | SITUO |
| Certification | ISO9001 & TS16949 |
| Model Number | ST-700012 |
CNC Machined Tapered Dowel Pin
,303 Stainless Steel Locating Pin
,Custom Taper Angle Positioning Shaft
Situo Hardware specializes in custom 303 stainless steel tapered dowel pins, CNC machined taper-head locating pins, and non-standard taper positioning shafts for tooling applications. Our precision hardware components are widely used in tooling fixtures, inspection jigs, precision molds, automation modules, instrument equipment, and mechanical alignment assemblies.
Our 303 stainless steel tapered dowel pins are CNC precision turned from free-cutting 303 stainless steel bar stock. Grade 303 offers excellent machinability for secondary operations including flat milling, slotting, and drilling. The tapered guiding face can be manufactured with custom taper angles to achieve self-aligning effects for fast insertion and positioning.
Available configurations include plain taper pin, stepped taper pin, holed taper pin, and slotted-head taper pin. Taper tolerance, outer diameter, and overall length are tightly controlled for high positioning accuracy. Customization options include taper angle, pin diameter, total length, step features, and through or blind holes for precision assemblies requiring positioning and secondary machining.
- Free-Cutting 303 Stainless Steel: Superior chip removal performance compared to 304 stainless steel, ideal for post-processing operations including milling, drilling, and slotting. Provides basic rust resistance suitable for dry-indoor working conditions.
- Precision CNC Turning: One-piece CNC turning delivers smooth taper surfaces without tool marks. Taper angle is strictly controlled for smooth guiding and optimal fitting performance.
- Custom Structure Options: Available styles include plain taper pin, stepped taper pin, head hole, through/blind hole, slotted head, and milled flat. Custom taper angles from 1°-5° and other special values available.
- Self-Aligning Design: Tapered lead-in enables automatic centering during installation, reducing alignment difficulty and preventing part damage.
- Surface Treatment Options: Standard vibratory deburring and passivation for anti-oxidation; polishing available for high-smooth taper surfaces.
- Quality Assurance: Comprehensive quality control including raw-material verification, full dimension inspection, taper-angle testing, and coaxiality sampling.
- Alignment on tooling & inspection jigs
- Guiding and centering of precision molds and automation modules
- Taper-head pins requiring secondary machining for instrument assembly
- Mechanical component positioning with easy insertion & disassembly
- Non-standard mechanical assemblies demanding guiding and repeated positioning
- Locating pin parts for dry-indoor equipment allowing further secondary modification
We utilize advanced equipment and technology from Japan and Germany, including CNC 5-axis and 6-axis machines. Our maximum processing outer diameter is 60mm with minimum control tolerance of 0.001mm.
Equipment portfolio includes Japanese CNC Tsugami, CNC Citizen, multi-station cold extrusion forming machines, 500T press machines, casting equipment, and various process equipment.
300 total employees including 20 technicians, 10 engineers, and 15 quality control personnel. Over 300 pieces of equipment in operation. We implement 8S management and maintain ISO9001 and TS16949 automotive certifications.
Our customers include , Foxconn, Motors, Husqvarna, Shimano, NVIDIA, DJI Drones, Siegenia
| Main Products | Stainless steel screws, carbon steel screws, pins, rivets, nuts, eccentric nails, embedded parts, and other fasteners |
|---|---|
| Business Type | Factory / Manufacturer |
| Services | CNC Machining, Turning and Milling, CNC Turning, Cold heading, Stamping, Assembly Service |
| Materials | Aluminum: AL 6061-T6, 6063, 7075-T etc Stainless steel: 303,304,304L,316L,316F,630,410,420,430, etc Steel: 4140, Q235, Q345B,20#,45# 1215,12L14,1144,1006,1008,1010,1015,1018,10B21,1035,1065 etc. Alloy steel: 5140,4135,4140,3435,5120,415,435,440 etc Titanium: TA1,TA2/GR2, TA4/GR5, TC4, TC18 etc Brass: C36000 (HPb62), C37700 (HPb59), C26800 (H68), C22000(H90),C27000,C51900,C11000,C3604,H62,H65 etc Copper, bronze, Magnesium alloy, Delrin, POM, Acrylic, PC, etc. |
| Finishes | Sandblasting, Anodize color, Blackening, Zinc/Nickel Plating, Polish, Power coating, Passivation PVD, Titanium Plating, Electrogalvanizing, electroplating chromium, electrophoresis, QPQ, Electro Polishing, Chrome Plating, Knurl, Laser etch Logo, etc. |
| Drawing Formats | STEP, STP, GIS, CAD, PDF, DWG, DXF etc or samples |
| Tolerance | +/-0.01mm ~ +/-0.05mm |
| Surface Roughness | Ra 0.1~3.2 |
| Inspection Equipment | Complete inspection lab with Micrometer, Optical Comparator, Caliper Vernier, CMM, Depth Caliper Vernier, Universal Protractor, Clock Gauge, Internal Centigrade Gauge |
Full manufacturing workflow: bar cutting → CNC turning → taper forming → hole/step processing → deburring → surface treatment → finished-product inspection. Sampling lead time: 3-5 days. Orders of all volumes accepted. Material certificates and dimension inspection reports provided with export-grade packaging.
We customize taper angles and pin structures according to positioning accuracy, plug-pull frequency, and secondary-machining requirements, delivering comprehensive solutions for free-cutting tapered locating pins.
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