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Hexagon External Pre-embedded Screw with Anti-rotation Hexagonal Structure for High Embedding Stability and Precision Thread Machining
| Place of Origin | GuangDong Dongguan |
| Brand Name | SITUO |
| Certification | ISO9001 & TS16949 |
| Model Number | ST-300050 |
Anti-rotation Hexagonal Structure Hexagon External Pre-embedded Screw
,High Embedding Stability External Hex Insert Screw
,Precision Thread Machining Embedding Fastener
External Hex Pre-embedded Screw is a professional anti-rotation insert fastener specially designed for plastic injection molding embedding installation. Unlike ordinary straight-body embedded studs, this screw features an outer hexagonal structure design that forms a perfect occlusion lock with plastic material, effectively preventing thread slipping, rotation, and loose pulling during repeated assembly and disassembly.
All our hex insert screws are processed by precision CNC turning and precise thread rolling, featuring uniform thread pitch, smooth surface, no burrs, and high dimensional consistency. This greatly improves the tensile resistance and structural stability of plastic parts connections. Widely used in electronic housings, home appliance plastic parts, intelligent equipment structural parts, and injection molding accessories. We provide full non-standard custom service for different diameters, lengths, thread specifications, and special structural embedded screws.
- Anti-rotation Hexagonal Structure: Outer hex design provides strong bite force with plastic materials, completely solving the problem of screw rotation and slipping of traditional straight embedded studs.
- High Embedding Stability: Multi-sided hexagonal contact structure increases combination area with plastic, effectively improving pull-out resistance and shear resistance.
- Precision Thread Machining: Standard thread profile ensures smooth locking and repeated assembly, no thread slipping or jamming.
- Durable Material Performance: Made of high-quality carbon steel or stainless steel, with high hardness and toughness, suitable for long-term use in plastic assembly structures.
- Fit for Injection Molding Process: Support one-time pre-embedding molding, simplifying production process and improving assembly efficiency and product consistency.
- Full Custom Machining: Custom thread size, outer diameter, length, hexagonal size and special-shaped embedding structure according to drawings and samples.
- Product Name: External Hex Pre-embedded Insert Screw
- Material: Carbon Steel / Stainless Steel 304
- Structure: External Hex Anti-rotation Body + Thread Stud
- Processing: CNC Precision Turning, Thread Rolling, Fine Deburring
- Surface Treatment: Zinc Plating, Nickel Plating, Black Oxide, Passivation
- Function: Plastic embedding fixing, anti-rotation positioning, injection molding assembly reinforcement
- Characteristic: Anti-slip, anti-rotation, high pull-out strength, stable connection
- Application: Plastic injection molding, electronic shell, home appliance parts, automation plastic components
External hex pre-embedded screws are widely used in various plastic injection molding products, including electronic equipment shells, household appliance structural parts, intelligent device accessories, automotive plastic parts, and industrial plastic assemblies. It is the optimal hardware solution to solve loose thread, rotating failure, and insufficient pulling force of plastic mounting holes.
We have introduced advanced equipment and technology from Japan and Germany (CNC 5-axis and 6-axis machines). Our maximum processing outer diameter is 60mm, and the minimum control tolerance is 0.001mm.
Japanese CNC Tsugami, CNC Citizen, multi-station cold extrusion forming machines, 500T press machines, casting equipment, and various process equipment.
300 employees including 20 technicians, 10 engineers, and 15 quality control personnel with over 300 pieces of equipment.
8S management, ISO9001 and TS16949 automotive certifications.
Foxconn, Husqvarna, Shimano, NVIDIA, DJI Drones, Siegenia, and Cater-pillar.
Stainless steel screws, carbon steel screws, pins, rivets, nuts, eccentric nails, embedded parts, and other fasteners.
Factory / Manufacturer
CNC Machining, Turning and Milling, CNC Turning, Cold heading, Stamping, Assembly Service
- 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.
Sandblasting, Anodize color, Blackening, Zinc/Nickel Plating, Polish, Powder coating, Passivation PVD, Titanium Plating, Electrogalvanizing, electroplating chromium, electrophoresis, QPQ, Electro Polishing, Chrome Plating, Knurl, Laser etch Logo, etc.
STEP, STP, GIS, CAD, PDF, DWG, DXF etc or samples.
+/-0.01mm ~ +/-0.05mm
Ra 0.1~3.2
Complete inspection lab with Micrometer, Optical Comparator, Caliper Vernier, CMM, Depth Caliper Vernier, Universal Protractor, Clock Gauge, Internal Centigrade Gauge
Contact Us at Any Time
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