Specifications
head shape :
Customized
Packing :
Customize Package
Threadsize :
M2 to M20 (or custom sizes)
Surface treatment :
Customized
Drawing Requipment :
2D/(PDF/CAD)3D(IGES/STEP)
Equipment :
CNC Milling Machine
Precision :
Min 0.001
Productname :
CNC Nuts
Size :
Customized Size
Category :
nut
Material :
stainless steel
Brand Name :
SITUO
Model Number :
ST2026-50010
Certification :
ISO9001 & TS16949
Place of Origin :
GuangDong Dongguan
MOQ :
1PCS
Price :
5-10 USD per item
Payment Terms :
T/T
Supply Ability :
10000PCS per day
Delivery Time :
Communication
Packaging Details :
Communication
Sample period :
10 to 15 days
Description
ISO9001 Stainless Steel Blind Nuts Cold Heading Stamping M6 Stainless Nuts
Stainless steel external hexagonal nut M6 adjustable screw CNC precision processing
Automotive Engine & Chassis Systems
Practical Products
  • Engine Cylinder Head Lock Nuts
  • Connecting Rod Nuts
  • Chassis Suspension Mounting Nuts
  • Gearbox Assembly Nuts
  • Brake System Fastening Nuts
CNC Production & Processing Features
  • Manufactured from high-strength alloy steels including 42CrMo and 40Cr
  • CNC machining ensures tight control over internal thread precision, coaxiality, and locking surface flatness, with thread tolerances above Grade 6H
  • Capable of machining blind-hole nuts, flange nuts, lock nuts (with clamping grooves / nylon ring grooves), and locating step nuts to meet high-strength assembly requirements for engines and chassis
  • Surface treatments include blackening, galvanizing, or phosphating to enhance corrosion resistance and fatigue performance
  • Stable locking force, anti-vibration and anti-loosening performance; no loosening or thread stripping during long-term driving (high-speed & bumpy road conditions)
  • Maintains strength in high-temperature and oil-contaminated environments, suitable for high-temperature working conditions in the engine compartment
  • Internal threads are resistant to damage during maintenance and disassembly, with durability and safety far superior to ordinary turned nuts, reducing vehicle maintenance costs and ensuring driving safety
Common CNC Machining Issues & Key Points
Heat Treatment Deformation
  • High-strength alloy steels require quenching and tempering after machining, which may cause dimensional deformation and internal thread shrinkage
  • Machining allowances must be reserved before heat treatment, followed by precision turning and tapping afterward to correct internal thread dimensions and guarantee accuracy
Blind-Hole Machining
  • Blind-hole nuts for gearboxes and brake systems are prone to chip accumulation at the hole bottom and incomplete internal threading
  • Taps with excellent chip removal performance should be used, and chips must be cleaned regularly during processing to prevent thread scoring and ensure full-length threading
Flange Surface Machining
  • Unqualified flatness of flange nuts causes uneven locking force and loosening
  • CNC milling speed must be controlled, and face milling cutters used for finish milling
  • Flange flatness is inspected after processing to avoid warping and ensure tight contact with mating surfaces
Batch Consistency
  • Automotive components require mass production, which can lead to variations in internal thread dimensions and profiles between batches
  • CNC equipment must be calibrated regularly and tapping parameters optimized
  • Sampling inspection using go/no-go gauges is performed per batch to ensure consistency for automated assembly
We have introduced advanced equipment and technology from Japan and Germany (CNC 5-axis and 6-axis machines) to better serve our customers' needs.
Technical Specifications
  • Maximum processing outer diameter: 60
  • Minimum control tolerance: 0.001
  • Equipment includes: Japanese CNC Tsugami, CNC Citizen, multi-station cold extrusion forming machines, 500T press machines, casting equipment, and various process equipment
Company Overview
  • Total employees: 300
  • Technical staff: 20 technicians, 10 engineers, 15 quality control personnel
  • Equipment: Over 300 pieces
  • Management system: 8S management
  • Certifications: ISO9001 and TS16949 automotive certifications
  • Major customers include: bo-sch, Foxconn, Motors, Husqvarna, Shimano, NVIDIA, DJI Drones, Siegenia, and Cater-pillar
Our Capacity
Main Products Stainless steel screws, carbon steel screws, pins, rivets, nuts, eccentric nails, embedded parts, and other fasteners
Business Type Factory / Manufacturer
Services CNC Machining, Turning and Milling, CNC Turning, Cold heading, Stamping, Assembly Service
Materials
  • 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.
Finishes Sandblasting, 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 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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ISO9001 Stainless Steel Blind Nuts Cold Heading Stamping M6 Stainless Nuts

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Watch Video
head shape :
Customized
Packing :
Customize Package
Threadsize :
M2 to M20 (or custom sizes)
Surface treatment :
Customized
Drawing Requipment :
2D/(PDF/CAD)3D(IGES/STEP)
Equipment :
CNC Milling Machine
Contact Supplier
video
ISO9001  Stainless Steel Blind Nuts Cold Heading Stamping M6 Stainless Nuts
ISO9001  Stainless Steel Blind Nuts Cold Heading Stamping M6 Stainless Nuts
ISO9001  Stainless Steel Blind Nuts Cold Heading Stamping M6 Stainless Nuts
ISO9001  Stainless Steel Blind Nuts Cold Heading Stamping M6 Stainless Nuts
ISO9001  Stainless Steel Blind Nuts Cold Heading Stamping M6 Stainless Nuts

Dongguan Situo Hardware Products Technology Co., Ltd

Verified Supplier
1 Years
guangdong, dongguan
Since 2019
Business Type :
Manufacturer, Seller
Total Annual :
2800000-3500000
Employee Number :
50~100
Certification Level :
Verified Supplier
Contact Supplier
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