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M19 x 89mm Carbon Steel Hex Cap Screw - Heavy Duty

Expert Overview

Engineered for robust fastening in demanding environments, this M19 x 89mm Carbon Steel Hex Cap Screw offers exceptional tensile strength and durability. Its precise dimensions and carbon steel composition ensure secure and reliable connections in heavy-duty applications.

StandardISO 9001
MaterialCarbon Steel
FinishAnodized
GradeN/A
SizeM19
Length89mm
Head Width33mm

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this M19 x 89mm Hex Head Cap Screw is constructed from high-grade carbon steel, providing superior tensile strength and resistance to shear forces. The M19 nominal diameter, coupled with an 89mm length, ensures deep thread engagement for maximum load-bearing capacity. The 33mm hexagonal head width facilitates secure tightening with standard industrial tooling, ensuring a reliable connection. This fastener is ideal for structural assemblies, machinery mounting, and other critical joint applications where material integrity and sustained performance are paramount.

🧊 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. Ensure mating threads are clean and free from debris. 2. Engage the cap screw with the threaded hole or nut, turning by hand to start. 3. Utilize a calibrated torque wrench to tighten the cap screw to the manufacturer's specified torque value, ensuring proper preload.

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

Carbon (C)0.28 - 0.55%
Manganese (Mn)0.60 - 0.90%
Phosphorus (P)0.04% max
Sulfur (S)0.05% max

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)
M19Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M19Varies 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
Over-torquing the fastener, leading to thread stripping or material fatigue.Always use a calibrated torque wrench and adhere to recommended torque specifications for the specific application and materials being joined.
Using the wrong size or type of tool for tightening, which can damage the head and prevent proper torque application.Utilize the correct size and type of wrench or socket that fully engages with the hex head to ensure even pressure and prevent slippage.

Common Applications

  • Heavy machinery assembly
  • Structural steel connections
  • Bridge construction and repair

⚠️ Engineering Warnings

  • Always use appropriate personal protective equipment (PPE) during installation, including safety glasses and gloves.
  • Ensure the fastener's material compatibility with the mating components and the operating environment to prevent galvanic corrosion or premature failure.

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, Carbon Steel made from?

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

Q: What are the main applications?

A: Heavy machinery assembly, Structural steel connections, Bridge construction and repair.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 89mmAF33mm1/2"-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.