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Custom Stainless Steel Hexagon Socket Cap Head Screw
Situo Hardware specializes in manufacturing stainless steel hexagon socket cap head screws, cylindrical inner hex bolts, and custom CNC non-standard extended hexagon fasteners. Our hardware supports industrial automation modules, tooling fixtures, precision molds, testing instruments, medical devices, communication equipment, and intelligent machinery assembly.
Product Overview
Manufactured from 304 and 316 stainless steel, these screws feature cylindrical cap head structures with inner hexagon holes that bear torque evenly and support high clamping force. Precisely machined threads ensure tight engagement, while excellent rust resistance makes them suitable for humid, outdoor, and corrosive environments.
Custom options include full/half thread, extended shank, stepped structure, and special thread specifications with passivation, polishing, and other surface treatments for high-strength equipment assembly.
Technical Advantages
Multiple Stainless Steel Grades
Available in 304 stainless steel for general anti-rust requirements and 316 stainless steel for superior acid and salt spray resistance in marine, chemical, and high-humidity applications.
High Torque Capacity
Standard cylindrical cap head with sufficient thickness and high concentricity inner hex hole ensures even torque distribution, preventing stripping under high tightening force.
Precision Threading
Threads formed by thread rolling or CNC single-point threading with complete tooth profile. All threads pass go/no-go gauge inspection for smooth screwing and anti-vibration performance.
Customization Flexibility
Support for extended/shortened shank, full/half thread, stepped cap head, limit groove, and modified head shape. Diameter, shank length, and head size are adjustable.
Surface Treatment Options
Stainless steel passivation, mirror polishing, and vibratory finishing deliver smooth appearance and enhanced corrosion resistance for exposed assembly positions.
Quality Control
Comprehensive testing including raw material inspection, dimension control, thread testing, burr removal, and torque sampling. Strict tolerance control ensures batch interchangeability.
Application Scenarios
High-strength fasteners for automation equipment frames and modules
Connecting parts for precision molds, tooling fixtures, and testing jigs
Assembly hardware for precision instruments, medical and communication equipment
Corrosion-resistant fasteners for outdoor machinery, marine and chemical equipment
Structural assembly screws for intelligent and new energy equipment
Mechanical structures requiring high torque clamping and long-term rust protection
Manufacturing Capabilities
Advanced equipment from Japan and Germany including CNC 5-axis and 6-axis machines. Maximum processing outer diameter: 60mm. Minimum control tolerance: 0.001mm.
Equipment Portfolio
Japanese CNC Tsugami, CNC Citizen, multi-station cold extrusion forming machines, 500T press machines, casting equipment, and various process equipment
Company Scale
300 employees including 20 technicians, 10 engineers, and 15 quality control personnel with over 300 pieces of equipment
Quality Certifications
8S management, ISO9001 and TS16949 automotive certifications
Situo Hardware supplies standard stainless steel hexagon socket cap head screws and undertakes non-standard CNC customization. Sampling lead time is 3-5 days, with orders of all volumes accepted. Material certificates and dimension inspection reports provided with export-grade packaging available.
We recommend suitable stainless steel grades and surface treatments based on equipment torque load, working environment, and installation space, providing one-stop custom solutions for stainless steel hexagon socket cap head fastening hardware.
