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M10 x 121mm Brass Hex Head Cap Screw | Fastening

Expert Overview

This M10 x 121mm Brass Hex Head Cap Screw offers superior corrosion resistance. Its robust brass construction and substantial 29mm head width ensure reliable performance in demanding industrial environments.

StandardISO 9001
MaterialBrass
FinishPlain
GradeN/A
SizeM10
Length121mm
Head Width29mm

Detailed Engineering Specifications

A proven choice for industrial professionals, this M10 x 121mm Brass Hex Head Cap Screw is engineered for demanding applications. Constructed from high-grade brass, it exhibits excellent resistance to corrosion and tarnishing, making it ideal for environments where moisture or chemical exposure is a concern. The metric thread size of M10 ensures compatibility with standard metric fasteners, while the generous 121mm length provides ample reach for joining thicker components. The substantial 29mm hex head width facilitates secure tightening with standard tools, offering high torque application without compromising the fastener's integrity. Its non-magnetic properties also make it suitable for sensitive electrical or electronic assemblies.

🧊 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:N/A

Installation Procedure

1. Select the appropriate wrench or socket for the 29mm hex head. 2. Align the M10 threaded end with the corresponding tapped hole or nut. 3. Steadily turn the cap screw clockwise until it is securely seated, applying torque appropriate for the application and material being joined. 4. Verify proper engagement and tightness without over-torquing.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardISO 9001

Mechanical Properties

Tensile StrengthStandard Commercial Spec
Yield StrengthStandard Commercial Spec
HardnessVaries by specific batch

Chemical Composition

Copper (Cu)60.0 - 63.0%
Zinc (Zn)Balance
Lead (Pb)2.5 - 3.7%

Temperature & Environment Rating

Min Operating Temp
-20°F (-29°C)
Max Continuous Temp
400°F (204°C)
Thermal Expansion
Typical for Material Class

Recommended Torque Values

Bolt SizeDry Torque (ft-lbs)Lubricated Torque (ft-lbs)
M10Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M10Varies by dimensionContact Sales

Corrosion Resistance Guide

EnvironmentRating
Indoor / DryExcellent
Outdoor / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using the wrong size wrench, leading to head stripping.Always use a wrench or socket precisely sized for the 29mm hex head to ensure proper engagement and prevent damage.
Over-torquing the brass screw, which can lead to thread damage or deformation.Apply torque gradually and stop once the screw is firmly seated. Refer to torque specifications for brass fasteners if available for the specific application.

Common Applications

  • Marine hardware and fittings
  • Electrical connectors and enclosures
  • Plumbing and water systems
  • Corrosive environment assemblies

⚠️ Engineering Warnings

  • Brass is a relatively soft metal; avoid excessive force that could strip threads or deform the head.
  • While corrosion-resistant, brass can react with certain aggressive chemicals. Verify compatibility before use in specialized environments.

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, Brass made from?

A: This Hex Head Cap Screw, Brass is manufactured from Brass.

Q: What are the main applications?

A: Marine hardware and fittings, Electrical connectors and enclosures, Plumbing and water systems, Corrosive environment assemblies.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 121mmAF29mm1/2"-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.