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Studbolt

Stud bolt industri Karunia Utama Putera untuk sambungan baut dan fastener B2B presisi.

Durable custom stud bolt, made to your specs.

Stud Bolt Services

We provide high-quality custom stud bolt manufactured to international standards to support your industrial needs. With flexible options in materials, sizes, and finishing, our custom stud bolt services ensure strong, safe, and durable connections tailored precisely to your project requirements.

Our Products

Materials We Produce

studbolt

Mild Steel

A307 Grade B & A563 Grade A

Medium Steel

A193 Grade B7 & A194 Grade 2H

A320 Grade L7 & A194 Grade 4

A193 Grade B16 & A194 Grade 7

Alloy Steel

A193 Grade B8 & A194 Grade 8

A193 Grade B8M & A194 Grade 8M

our international standards

Standards and Compliance

Baut, mur, dan fastener standar ASTM untuk kebutuhan proyek industri B2B berspesifikasi teknis.
Baut, mur, dan fastener standar ISO untuk kebutuhan industri dengan kualitas internasional.
Baut, mur, dan fastener standar JIS untuk kebutuhan industri dengan spesifikasi Jepang.
Baut, mur, dan fastener standar DIN untuk aplikasi industri dengan ukuran presisi.
Baut, mur, dan fastener standar ASME untuk kebutuhan industri berat berspesifikasi teknis.
Baut, mur, dan fastener standar ASME untuk kebutuhan industri berat berspesifikasi teknis.

treatment & finishes

Surface Treatments and Finishes

Pilihan finishing baut, mur, dan fastener industri untuk kebutuhan perlindungan dan aplikasi B2B.
  • Plain Finish
  • Black Finish
  • Zinc Plating
    Electro-galvanized for moderate corrosion resistance
  • Hot-Dip Galvanizing
    Superior corrosion protection for outdoor use
  • Mechanical Galvanizing
    Ultimate Corrosion Resistance for Outdoor Durability

tailored solutions

Why Karunia Utama

Custom Dimensions

Lengths, diameters, and thread pitches as per specifications

Special Materials

Alternative steel grades and alloys

Thread Types

Metric (M), UNC, UNF, and others

Testing Procedures

Tensile and hardness testing, Chemical composition analysis, Non-destructive testing (NDT)

Certifications Provided

Material Test Reports (MTR). Certificates of Compliance, Third-party inspection reports upon request

gallery

Our Gallery

Enhance Your Project with Durable Stud Bolts!

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FAQs

Frequently Asked Questions

Can you create custom products?

Yes, we specialize in custom manufacturing to meet specific project requirement

Alloy Steel (ASTM A193-B7, ASTM A193-B8, ASTM A193-B8M, ASTM A320-LZ, ASTM A194-Grade 2H, ASTM A194-Grade 8, ASTM A194-Grade 8M, ASTM A194-Grade 4), Stainless Steel (SUS 304, SUS 316), Carboon Steel (Grade 4.6, Grade 8.8, Grade 10.9 Grade 12.9).

The production time we can offer is approximately 7-14 days, but it depends on the quantity ordered.