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Custom CNC Machined Stainless Steel Thumb Screw with Diamond Knurled Head and Internal Thread Adjustment Knob Fastener
| Place of Origin | Dongguan Guangdong |
| Brand Name | SITUO |
| Certification | ISO9001 & TS16949 |
| Model Number | ST-000099 |
Internal Thread Thumb Screw
,Diamond Knurled Adjustment Knob
,Stainless Steel Knurling Fastener
This knurled thumb screw is made of stainless steel and integrally processed by precision CNC turning. The diamond knurling on the head increases friction, allowing manual tightening and adjustment without tools. It adopts an internal thread structure with stable step positioning, widely used as adjusting and fixing parts for automation jigs, testing fixtures and instrument equipment. Situo Hardware supports non-standard customization by drawings or samples. Material, dimension, thread specification, knurling pattern and surface treatment can be customized as required.
- One-piece precision CNC machining, good concentricity and high dimensional accuracy
- Diamond knurled surface for anti-slip, easy manual operation without tools
- Step positioning structure for accurate assembly limit, anti-shifting
- Built-in internal thread, matched with external thread screw for smooth adjustment
- Optional materials: 304/316 stainless steel, carbon steel, aluminum alloy, brass
- Non-standard customization available for thread, outer diameter, total length and knurling pattern
- Optional surface treatment: passivation, polishing, blackening, anodizing
Automation jigs and fixtures, testing molds, precision instruments, laboratory equipment, sheet metal frames, medical devices, smart equipment, for tool-free adjustment and locking positioning.
A: Yes, metric and imperial threads can be customized according to your drawings or samples.
A: 304, 316 stainless steel, carbon steel, 6061 aluminum alloy, brass and other materials are available.
We have introduced advanced equipment and technology from Japan and Germany (CNC 5-axis and 6-axis machines) to better serve our customers' needs.
Our maximum processing outer diameter is 60, and the minimum control tolerance is 0.001. We have Japanese CNC Tsugami, CNC Citizen, multi-station cold extrusion forming machines, 500T press machines, casting equipment, and various process equipment, which can effectively provide customers with the best technical solutions.
Our company has a total of 300 employees, including 20 technicians, 10 engineers, and 15 quality control personnel. We have over 300 pieces of equipment.
Our company implements 8S management and has passed ISO9001 and TS16949 automotive certifications.
Our customers include Foxconn, Motors, Husqvarna, Shimano, NVIDIA, DJI Drones, Siegenia.
| 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 | +/-0.01mm ~ +/-0.05mm |
| 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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