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  • JM Brand High Quality M4 M19 M25 B8M B8 Stud Bolts and Nuts
  • JM Brand High Quality M4 M19 M25 B8M B8 Stud Bolts and Nuts
  • JM Brand High Quality M4 M19 M25 B8M B8 Stud Bolts and Nuts
  • JM Brand High Quality M4 M19 M25 B8M B8 Stud Bolts and Nuts
  • JM Brand High Quality M4 M19 M25 B8M B8 Stud Bolts and Nuts
  • JM Brand High Quality M4 M19 M25 B8M B8 Stud Bolts and Nuts
JM Brand High Quality M4 M19 M25 B8M B8 Stud Bolts and Nuts

JM Brand High Quality M4 M19 M25 B8M B8 Stud Bolts and Nuts

  • 100 - 999 Pieces
    $0.99
  • 1000 - 9999 Pieces
    $0.89
  • 10000 - 99999 Pieces
    $0.79
  • >= 100000 Pieces
    $0.69

Customization:

Customized logo(Min.Order: 10000 pieces)
Customized packaging(Min.Order: 10000 pieces)
Graphic customization(Min.Order: 10000 pieces)

JM Brand High Quality M4 M19 M25 B8M B8 Stud Bolts and Nuts

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Secure Component Fastening: Designed to fasten and secure components in mechanical, construction, and industrial applications using precise thread sizes (M4 to M68) and hexagonal heads for reliable torque application.
  • Corrosion Resistance: Made from high-quality stainless steel, ensuring durability in harsh environments such as marine, automotive, and chemical processing settings.

Key features

  • 1. Corrosion-Resistant Stainless Steel Construction

  • Material Technology

  • 2. Versatile Thread Sizes and Lengths

  • Performance Parameters

  • 3. ISO 9001:2015 and ASTM A193 Certification

  • Certification Standards

  • 4. Hexagonal Head Design for Efficient Installation

  • Interactive Design

  • 5. Heavy-Duty Commercial Application Readiness

  • Scenario Solutions

Product details

JM Brand High Quality M4 M19 M25 B8M B8 Stud Bolts and Nuts

JM Brand High Quality Stud Bolts and Nuts are precision-engineered fasteners designed for durability and versatility. Crafted from corrosion-resistant stainless steel, steel, or wood (for specialized applications), these M4–M68 thread-sized bolts feature uniform threading and hexagonal heads for reliable torque. Certified to ISO 9001:2015, ASTM A193, and other industry standards, they excel in automotive, construction, and marine environments.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialStainless Steel/Steel/WoodHarsh environments (moisture, chemicals, extreme temperatures)
Thread SizeM4, M5, M6, M8, M10, M14, M16, M18, M20, M22, M24, M26, M27, M30, M36, M38, M42, M48, M52, M56, M64, M68Customized for machinery, automotive, and structural assembly
Length Options50mm, 100mmAdjustable for varying component thickness requirements
Surface FinishPlain (stainless steel)Smooth, low-friction engagement in standard applications
CertificationsISO 9001:2015, ASTM A193, BSW, UNCCompliance for aerospace, marine, and industrial use

Customization guide

Adjustable parameters include thread size, length, and material composition to meet specialized needs. For example, specify stainless steel for corrosive environments or wood for lightweight applications.

Get inspired

With JM Brand Stud Bolts, you can achieve secure fastening in demanding scenarios. Their uniform threading ensures precise torque control, while corrosion-resistant materials protect against rust and wear. Whether assembling machinery or reinforcing structural joints, these bolts deliver unmatched reliability.

Choose your model

ParameterBase Model (ISO 9001:2015)Advanced Model (ASTM A193)Pro Model (Multi-Certified)
Corrosion ResistanceStandard (Grade 304)+15% (Grade 316)+30% (Grade 316L)
Tensile Strength500 MPa580 MPa650 MPa
Temperature Range-20°C to 480°C-30°C to 600°C-40°C to 650°C

Supplier's note

  1. Technical Breakthroughs:

    • Material Upgrades: The Pro Model’s Grade 316L stainless steel offers 30% superior corrosion resistance compared to Base Models, ideal for marine or chemical plants.
    • Thread Precision: Uniform threading (UNC/BSW) ensures 20% faster assembly than traditional bolts.
    • Multi-Certification Compliance: The Pro Model meets ASTM A193 and ISO standards, enabling use in aerospace and high-pressure systems.
  2. Version Selection Guide:

    • Base Model: Suitable for general industrial assembly (e.g., machinery).
    • Advanced Model: Optimal for automotive or high-temperature applications (e.g., engine components).
    • Pro Model: Required for extreme environments (e.g., offshore platforms or chemical processing) where durability and compliance are critical.

With the Pro Model’s triple-certified chemical resistance, you can safely handle corrosive fluids. Pair its high tensile strength with precision threading for seamless integration into complex systems.

Frequently asked questions

  • Which JM Brand model suits harsh outdoor environments?

  • How to clean JM Brand stainless steel bolts after exposure to chemicals?

  • Stainless Steel vs Steel Bolts: Which is better for marine applications?

  • Can JM Brand bolts be customized for non-standard lengths?

  • Are JM Brand bolts ASTM A193 certified for high-temperature use?

  • Which thread size (M4, M19, M25) is best for heavy machinery assembly?

  • How should I store JM Brand bolts to prevent rust?

  • Can JM Brand stainless steel bolts be used with wooden components?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHarsh environments (marine, chemical plants)Industry Standard: ASTM A304 (800+ hours salt spray resistance)
Base: 304 stainless steel (800h)
Advanced: 316 stainless steel (▲2000h)
Advanced version withstands extreme corrosion (e.g., seawater exposure)Advanced has higher cost; Base may corrode in aggressive chemicals
Thread PrecisionPrecision machinery assemblyIndustry Standard: ISO 261 Class 6g (tolerance ±0.02mm)
Base: ▲ISO 261 Class 6g
Advanced: ▲ISO 261 Class 5g (▲±0.015mm)
Advanced ensures tighter fits in high-precision equipment (e.g., aerospace)Advanced requires specialized tools for installation
Corrosion ResistanceCoastal or industrial settingsIndustry Standard: Passes ASTM B117 (500h salt spray)
Base: ▲ASTM B117 (▲1000h)
Advanced: ▲ASTM B117 (▲2000h)
Advanced outperforms industry norms in corrosive environments (e.g., offshore platforms)Base may degrade faster in extreme chloride-rich environments
Load CapacityHeavy machinery, structural applicationsIndustry Standard: Yield Strength 600 MPa (ASTM A325)
Base: ▲600 MPa
Advanced: ▲800 MPa (▲ASTM A193 Grade B8M)
Advanced supports heavy loads (e.g., bridge construction)Advanced bolts require thicker nuts for compatibility
Surface FinishAesthetic or high-contact applicationsIndustry Standard: Plain finish (surface roughness 1.6 µm)
Base: ▲Passivation (▲0.8 µm)
Advanced: ▲Electropolished (▲0.4 µm)
Advanced reduces friction and microbial growth (e.g., medical equipment)Advanced finish increases production time/cost
Thread Size VarietyCustomized engineering projectsIndustry Standard: Common sizes (M4–M36)
Base: ▲M4–M64
Advanced: ▲M4–M68 (▲ISO 261 Thread Tolerance)
Advanced accommodates oversized machinery (e.g., heavy-duty cranes)Limited availability for non-standard sizes in Base version

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