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Non-standard Custom CNC Machining Stainless Steel and Carbon Steel Four-corner Clamp Bracket Connector Square Corner Clamping Fastener
| Place of Origin | GuangDong Dongguan |
| Brand Name | SITUO |
| Certification | ISO9001 & TS16949 |
| Model Number | ST2026-200050 |
Non-standard Custom CNC Machining Connector
,Stainless Steel Carbon Steel Fastener
,Square Four-corner Clamping Connector
This four-corner clamp bracket connector, also known as a square corner clamping fastener, is primarily used for corner connection and clamping fixation of frames. Two material options are available: stainless steel and carbon steel. The stainless steel version offers excellent rust and corrosion resistance, while the carbon steel version delivers high hardness, superior structural strength, and favorable cost performance. It is a reliable hardware fitting for the assembly, support, and fixation of various frame structures. CNC machining customization is supported according to drawings or samples to meet requirements for different frame sizes and assembly structures.
- Square four-corner clamping structure with even stress distribution for firm corner connections.
- Two optional materials: stainless steel for anti-corrosion working conditions, carbon steel for high-load bearing scenarios.
- CNC precision machining with neat edges, stable dimensional tolerance, and high fitting precision.
- Multiple surface treatment options available.
- Flexible customization: overall dimension, hole position, thickness, and clamping groove can be adjusted.
- Suitable for mass production with stable quality across batches.
| Product Name | Four-corner Clamp Bracket Connector / Square Corner Clamping Fastener |
|---|---|
| Material | SUS Stainless Steel, Carbon Steel |
| Process | CNC Precision Machining |
| Function | Frame corner connection, clamping, fixation, and support |
| Custom Service | Customized by drawings or samples; customizable size, hole layout, and thickness |
| Surface Treatment | Polishing, zinc plating, nickel plating, black oxide, passivation, and more |
Widely applied in automation equipment frames, cabinet racks, mechanical supports, testing jigs, guardrail frames, equipment brackets, and other corner assembly occasions. It is used to connect and fix profiles or pipe frames to ensure the stability of the whole structure.
A1: Stainless steel is rust-proof and suitable for humid or corrosive environments. Carbon steel has higher strength and better cost performance for indoor dry working environments.
A2: Yes, all key dimensions, hole positions, and clamping structures can be customized.
A3: Material test reports can be provided as required.
Advanced equipment and technology have been introduced from Japan and Germany (CNC 5-axis and 6-axis machines) to better serve customer needs.
The maximum processing outer diameter is 60 mm, and the minimum control tolerance is 0.001 mm. The facility is equipped with Japanese CNC Tsugami and CNC Citizen machines, multi-station cold extrusion forming machines, 500T press machines, casting equipment, and various process equipment, effectively providing customers with the best technical solutions.
The company has a total of 300 employees, including 20 technicians, 10 engineers, and 15 quality control personnel, with over 300 pieces of equipment.
The company implements 8S management and has passed ISO9001 and TS16949 automotive certifications.
Customers include bo-sch, Foxconn, Motors, Husqvarna, Shimano, NVIDIA, DJI Drones, Siegenia, and Cater-pillar.
| Main Product Names | Stainless steel screws, carbon steel screws, pins, rivets, nuts, eccentric nails, embedded parts, and other fasteners. |
|---|---|
| Business Type | Factory / Manufacture |
| 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, internal centigrade gauge. |
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