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Flat Head Brass Split Pin with Slotted Split Spring Structure, Custom CNC Machined Brass Dowel Pin for Precision Assembly
| Place of Origin | Dongguan Guangdong |
| Brand Name | SITUO |
| Certification | ISO9001 & TS16949 |
| Model Number | ST-000091 |
Flat Head Brass Split Pin
,Slotted Split Brass Dowel Pin
,Custom CNC Machined Brass Split Pin
This flat head brass split pin — also widely known as a brass insert pin, brass dowel pin, slotted cotter pin or brass locating pin — is precision CNC machined from premium brass raw material. Featuring a unique slotted split spring structure and flat head design, it is produced through turning, grooving and cutting processes.
The brass split dowel pin delivers stable elastic clamping force, excellent ductility, wear resistance and corrosion resistance. These copper insert pins are commonly used for locating, connecting, fastening and anti-loosening locking in mechanical assemblies. SITUOWUJIN supports full non-standard customization of brass split pins, brass locating dowel pins and slotted brass insert pins based on your drawings or samples to meet diversified assembly demands.
- Raw Material: High-quality brass — rust and corrosion resistant, with outstanding ductility and stable spring elasticity.
- Optimized Structure: Flat head plus slotted split design makes this brass cotter locating pin easy to insert and install, locking firmly in place.
- Precision Machining: CNC turning and slotting cutting deliver tight dimensional tolerances and a smooth, burr-free surface.
- Anti-Loosening Performance: The split slotted spring pin structure creates consistent elastic clamping, so the brass dowel pin will not detach easily after assembly.
- Versatile Usage: Ideal for applications requiring repeated disassembly, positioning and locking.
- Flexible Customization: OEM & ODM service available. We custom-make brass locating pins and slotted copper insert pins in different outer diameters, lengths, slot widths and head sizes.
- MaterialBrass
- AliasBrass Split Pin, Brass Insert Pin, Brass Dowel Pin, Slotted Cotter Pin, Brass Locating Pin, Spring Split Pin
- ProcessingCNC turning, slotted cutting
- Product TypeFlat Head Slotted Brass Split Pin
- ToleranceCustomized according to customer requirements
- Custom ServiceNon-standard custom hardware machining
Our brass split pins, brass insert locating pins and slotted brass dowel pins are widely used for positioning, connection and anti-loosening locking on mechanical equipment, instrument hardware fittings, electronic components, furniture hardware, toy assembly parts, auto spare parts, door and window hardware and other precision machinery assemblies.
Yes. SITUOWUJIN accepts OEM & ODM customization for slotted cotter pins and brass locating pins based on your drawings or physical samples.
The split slot provides reliable elastic clamping force. This brass insert locating pin offers a stable locking effect and convenient disassembly.
Brass is our standard material for copper insert pins. Stainless steel and carbon steel split pins and locating dowel pins can also be supplied on request.
We have introduced advanced equipment and technology from Japan and Germany (CNC 5-axis and 6-axis machines) to better serve our customers' needs.
Maximum processing outer diameter of 60 mm, with a minimum controlled tolerance of 0.001 mm.
Japanese CNC Tsugami and CNC Citizen machines, multi-station cold extrusion forming machines, 500T press machines, casting equipment and various process equipment — enabling effective, best-in-class technical solutions.
300 employees in total, including 20 technicians, 10 engineers and 15 quality control personnel, supported by over 300 pieces of equipment.
8S management system implemented; ISO9001 and TS16949 automotive certifications passed.
Our customers include Foxconn, Motors, Husqvarna, Shimano, NVIDIA, DJI Drones and Siegenia.
| Main Product Names | Stainless steel screws, carbon steel screws, pins, rivets, nuts, eccentric nails, embedded parts and other fasteners. |
| Business Type | Factory / Manufacturer |
| Service | CNC Machining, Turning and Milling, CNC Turning, Cold Heading, Stamping, Assembly Service |
| Material |
1) Aluminum: AL 6061-T6, 6063, 7075-T etc. 2) Stainless steel: 303, 304, 304L, 316L, 316F, 630, 410, 420, 430 etc. 3) Steel: 4140, Q235, Q345B, 20#, 45#, 1215, 12L14, 1144, 1006, 1008, 1010, 1015, 1018, 10B21, 1035, 1065 etc. 4) Alloy steel: 5140, 4135, 4140, 3435, 5120, 415, 435, 440 etc. 5) Titanium: TA1, TA2/GR2, TA4/GR5, TC4, TC18 etc. 6) Brass: C36000 (HPb62), C37700 (HPb59), C26800 (H68), C22000 (H90), C27000, C51900, C11000, C3604, H62, H65 etc. 7) Copper, bronze, magnesium alloy, Delrin, POM, acrylic, PC etc. |
| Finish | Sandblasting, anodize color, blackening, zinc/nickel plating, polish, powder coating, passivation PVD, titanium plating, electrogalvanizing, electroplating chromium, electrophoresis, QPQ (Quench-Polish-Quench), electro polishing, chrome plating, knurl, laser etch logo etc. |
| Drawing Format | STEP, STP, GIS, CAD, PDF, DWG, DXF etc., or samples. |
| Tolerance | +/-0.01 mm ~ +/-0.05 mm |
| Surface Roughness | Ra 0.1 ~ 3.2 |
| Inspection | Complete inspection lab with micrometer, optical comparator, caliper vernier, CMM, depth caliper vernier, universal protractor, clock gauge and internal centigrade gauge. |
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