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Dongguan Situo Hardware Products Technology Co., Ltd
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Knurled Brass Insert Nut, Embedded Brass Inserts for Plastic Injection Molding

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Knurled Brass Insert Nut, Embedded Brass Inserts for Plastic Injection Molding

Model Number : ST2026-500015

Corrosion resistance : High

Surface treatment : Customized

Price : 5-10 USD per item

Thread size : M2.5M3M3.5M4M6M8

Supply Ability : 10000PCS per day

Head shape : Customized

Material : copper

Payment Terms : T/T

MOQ : 1PCS

Delivery Time : Communication

Certification : ISO9001 & TS16949

Brand Name : SITUO

Precision : Min0.01

Packaging Details : Communication

Place of Origin : GuangDong Dongguan

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Knurled Brass Insert Nut for Plastic Injection Molding
This knurled brass insert nut is a standard embedded fastener customized for plastic injection molding production. Made of solid brass material with integrated CNC turning processing, it features textured outer knurled structure for firm embedding. It is widely applied for plastic shell embedding, component fastening and internal assembly of electronic appliances, household equipment, plastic structural parts and daily industrial plastic products, realizing stable screw connection and long-term fixed assembly.
Core Product Features
  • Standard Metric Thread, Strict Thread Inspection: Internal threads are precisely turned with complete standard thread profile. Each brass insert nut is inspected by professional thread gauge, featuring smooth screwing fit, uniform thread pitch, no broken teeth, no thread blockage.
  • Anti-Twist Outer Knurl Design, High Embedding Stability: Uniform outer knurling enhances friction bonding with plastic materials. After injection molding embedding, the nut will not spin, shift or separate from plastic base under regular vibration and daily stress.
  • Premium Brass Material, Stable Physical Performance: Adopt qualified solid brass raw material, with good hardness, oxidation resistance and thermal conductivity. The material is not easy to deform, rust or discolor in conventional indoor and closed working environment.
  • Burr-Free Smooth Finish, Friendly For Molding Assembly: Overall smooth deburring finish protects plastic appearance and structure integrity during the molding process.
Wide Application Range
  • Household plastic shell embedded connection
  • Daily electronic product internal fastening assembly
  • Plastic bracket, plastic fixture embedding fixing
  • Injection molding parts factory batch embedding processing
  • Industrial plastic structural part standard connecting inserts
Common Use Troubleshooting
Trouble 1: Embedded nuts rotate or fall off from plastic parts
Solution: Integrated outer knurling increases clamping force with plastic, effectively prevent nut rotation and falling off.
Trouble 2: Unqualified threads cause difficult bolt assembly
Solution: Standard gauge checked threads ensure smooth matching assembly with standard bolts.
Trouble 3: Sharp burrs damage plastic surface during molding
Solution: Overall smooth deburring finish protects plastic appearance and structure integrity.
Custom & Quality Service
SITUO Hardware supplies full-size knurled brass embedded inserts, available for custom thread size, nut length, outer knurl style and outer diameter. Conform to conventional industrial production standards. Support batch bulk packing and customized size processing. Complete size and appearance inspection before delivery, providing stable qualified embedded brass fasteners for injection molding manufacturers.
Manufacturing Capabilities
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.
Company Overview
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 bo-sch, Foxconn, Motors, Husqvarna, Shimano, NVIDIA, DJI Drones, Siegenia, and Cater-pillar.
Our Capacity
Main product names:Stainless steel screws, carbon steel screws, pins, rivets, nuts, eccentric nails, embedded parts, and other fasteners.
Business TypeFactory / Manufacturer
ServiceCNC Machining, Turning and Milling, CNC Turning, Cold heading, stamping, Assembly Service
MaterialAluminum: 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.
FinishSandblasting, Anodize color, Blackenning, Zinc/Nickl Plating, Polish, Power coating, Passivation PVD, Titanium Plating, Electrogalvanizing, electroplating chromium, electrophoresis, QPQ(Quench-Polish-Quench), Electro Polishing, Chrome Plating, Knurl, Laser etch Logo, etc.
Drawing formatSTEP, STP, GIS, CAD, PDF, DWG, DXF etc or samples.
Tolerance+/-0.01mm ~ +/-0.05mm
Surface roughnessRa 0.1~3.2
InspectionComplete inspection lab with Micrometer, Optical Comparator, Caliper Vernier, CMM Depth Caliper Vernier, Universal Protractor, Clock Gauge, Internal Centigrade Gauge
Product Images
Knurled Brass Insert Nut, Embedded Brass Inserts for Plastic Injection Molding
Knurled Brass Insert Nut, Embedded Brass Inserts for Plastic Injection Molding
Knurled Brass Insert Nut, Embedded Brass Inserts for Plastic Injection Molding
Knurled Brass Insert Nut, Embedded Brass Inserts for Plastic Injection Molding
Knurled Brass Insert Nut, Embedded Brass Inserts for Plastic Injection Molding
Knurled Brass Insert Nut, Embedded Brass Inserts for Plastic Injection Molding
Knurled Brass Insert Nut, Embedded Brass Inserts for Plastic Injection Molding
Knurled Brass Insert Nut, Embedded Brass Inserts for Plastic Injection Molding
Knurled Brass Insert Nut, Embedded Brass Inserts for Plastic Injection Molding
Knurled Brass Insert Nut, Embedded Brass Inserts for Plastic Injection Molding
Knurled Brass Insert Nut, Embedded Brass Inserts for Plastic Injection Molding
Knurled Brass Insert Nut, Embedded Brass Inserts for Plastic Injection Molding

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