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M7x27mm 304 Stainless Steel Hex Cap Screw | Fastening

Expert Overview

This M7x27mm hex head cap screw, crafted from robust 304 stainless steel, offers exceptional corrosion resistance and superior tensile strength for critical fastening applications.

StandardDIN 933
Material304 Stainless Steel
FinishPassivated
GradeN/A
SizeM7
Length27mm
Head Width27mm

Detailed Engineering Specifications

A high-performance industrial component, this M7x27mm hex head cap screw features a standard metric thread and a nominal diameter of 7mm. The overall length is 27mm, with a substantial 27mm hex head width providing ample surface area for torque application. Manufactured from high-grade 304 stainless steel, it exhibits excellent resistance to a wide range of corrosive environments, including atmospheric, chemical, and marine conditions. This material also provides good mechanical properties, making it suitable for medium to heavy-duty structural and mechanical assemblies where reliability and longevity are paramount. Its design ensures secure and stable connections in demanding operational settings.

🧊 Download 3D CAD Model (.STEP)

Verified Global OEM Partners

This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.

BossardEst. 1831
Switzerland🇨🇭
"Global leader in fastening technology."
Market Rank
🏆 Top 3 Global Fastener Network
Industry Approvals
🚀 Aerospace & Tesla Approved
Warranty & Support
🛡️ Lifetime Traceability
Green Manufacturing
🌱 Carbon Neutral by 2030
Certified:ISO 9001, RoHS, REACH
Würth GroupEst. 1945
Germany🇩🇪
"Premium assembly and fastening materials."
Market Rank
🏆 #1 Global Assembly Supplier
Industry Approvals
🚀 VW & BMW OEM
Warranty & Support
🛡️ 5-Year Industrial Warranty
Green Manufacturing
🌱 100% Recyclable Packaging
Certified:ISO 9001, DIN EN
Brighton-BestEst. 1925
USA🇺🇸
"Master distributor of industrial fasteners."
Market Rank
🏆 Largest Distributor in NA
Industry Approvals
🚀 Boeing Approved
Warranty & Support
🛡️ Global Replacement Guarantee
Green Manufacturing
🌱 Green Steel Initiative
Certified:ISO 9001, A2LA

Certifications & Compliance

RoHS Compliant:Yes
REACH Compliant:Yes
Material Traceability:Available on Request
DFARS Compliant:Yes

Installation Procedure

1. Select the appropriate socket or wrench size for the M7 hex head. 2. Ensure the mating threads are clean and free from debris. 3. Thread the cap screw into the receiving component, applying steady torque until the desired tightness is achieved, avoiding over-tightening to prevent thread stripping or component damage.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardDIN 933

Mechanical Properties

Tensile Strength75,000 psi (515 MPa)
Yield Strength30,000 psi (205 MPa)
Elongation in 2 in.40% min
HardnessRockwell B95 max

Chemical Composition

Carbon (C)0.08% max
Chromium (Cr)18.0 - 20.0%
Nickel (Ni)8.0 - 10.5%
Manganese (Mn)2.00% max

Temperature & Environment Rating

Min Operating Temp
-320°F (-195°C)
Max Continuous Temp
1400°F (760°C)
Thermal Expansion
Typical for Material Class

Recommended Torque Values

Bolt SizeDry Torque (ft-lbs)Lubricated Torque (ft-lbs)
M7Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M7Varies by dimensionContact Sales

Corrosion Resistance Guide

EnvironmentRating
Indoor / DryExcellent
Outdoor / ExposedExcellent
Marine / SaltwaterGood
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using incorrect tool size, leading to head damage or slippage.Utilize a properly sized socket or wrench that fully engages the hex head.
Applying excessive torque, causing thread galling or fastener failure.Adhere to recommended torque specifications for the application and material, or use a torque wrench for precision.

Common Applications

  • Machinery and equipment assembly
  • Structural support systems
  • Outdoor and marine installations

⚠️ Engineering Warnings

  • Ensure the 304 stainless steel is compatible with the specific chemical environment to prevent premature corrosion.
  • Always verify that the load requirements of the application are met by the tensile strength of this fastener.

Alternative Products to Consider

Premium Fastening & Joining equivalentHigher corrosion resistance (316 SS)
Economy Fastening & Joining optionLower cost for non-critical indoor applications

Frequently Asked Questions

Q: What is the Hex Head Cap Screw, 304 Stainless Steel made from?

A: This Hex Head Cap Screw, 304 Stainless Steel is manufactured from 304 Stainless Steel.

Q: What are the main applications?

A: Machinery and equipment assembly, Structural support systems, Outdoor and marine installations.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 27mmAF27mm1/2"-13TIGHTEN →MECHANICAL PROPERTIESTensile Strength: 150,000 psiThread: 1/2"-13 UNCTorque Direction: Clockwise (CW)Head Marking: 6 radial lines (Grade 8)

Torque Specifications

⚡ UNIT CONVERTER

Conversion factor: 1 ft-lb ≈ 1.356 Nm

Verified Compatibility

StatusMating ComponentStandardTorque SpecEngineering Notes
No verified compatibility data found for this component.