Stainless Steel Fasteners - Starlight Tubes
Starlight Tubes

Stainless Steel Fasteners

Bolts, nuts, screws & industrial fasteners

Manufacturing StandardASTM A193, ASTM A194, ASTM F593, DIN 931, DIN 933, ISO 4017, BS 3692
Dimensional RangeM3 to M100, 1/4" to 4", Length up to 1000mm
Wall Schedules / RatingSCH 10S to XXS / Custom
Material Inspection & MTCEN 10204 3.1 Certified
Product Overview

Stainless Steel Fasteners

Premium quality stainless steel fasteners manufactured to meet international standards for diverse industrial applications

Mill Certified Stock

Premium Stainless Steel Fasteners

Starlight Tubes supplies a comprehensive range of high-quality stainless steel fasteners including bolts, nuts, screws, washers, and anchors for critical industrial applications. Our fasteners are engineered to provide exceptional strength, corrosion resistance, and durability in demanding environments such as marine, chemical processing, oil & gas, and construction industries.

Manufactured to international standards, our stainless steel fasteners undergo rigorous quality testing including tensile strength, hardness, and dimensional checks. Available in various head styles, thread types, and finishes, we offer custom manufacturing and special coatings to meet your specific application requirements.

Technical Specifications

ASTM / ASME Compliant
Grades
304, 304L, 316, 316L, 321, 310S, 410, 430, A2-70, A4-80
Types
Hex Bolts, Socket Cap Screws, Studs, Nuts, Washers, U-Bolts, Eye Bolts, Anchor Fasteners
Standards
ASTM A193, ASTM A194, ASTM F593, DIN 931, DIN 933, ISO 4017, BS 3692
Size Range
M3 to M100, 1/4" to 4", Length up to 1000mm
Traceability: EN 10204 3.1 MTC100% PMI Inspected
Metallurgical Specifications

Technical Specifications — Stainless Steel Industrial Fasteners

Chemical composition and mechanical tensile ratings for ASTM A193 / A194 B8, B8M, and B8T stud bolts and nuts

EN 10204 3.1 Certified
Grade / SpecificationBase AlloyCrNiMoStabilizing Element
B8 / B8 Class 2Type 30418.0-20.08.0-11.0--
B8M / B8M Class 2Type 31616.0-18.010.0-14.02.0-3.0-
B8T / B8T Class 2Type 32117.0-19.09.0-12.0-Ti ≥ 5xC
B8C / B8C Class 2Type 34717.0-19.09.0-13.0-Nb ≥ 10xC
Full heat number traceability stamped per length
Custom dimensions & chemical variations supplied upon RFQ
Why Choose Starlight Tubes

Your Trusted Stainless Steel Fastener Supplier

Starlight Tubes offers a comprehensive range of stainless steel fasteners for critical applications. We provide certified products with full traceability and competitive pricing.

ASTM & DIN Certified
Full Batch Traceability
Custom Manufacturing
Corrosion Resistant
Bulk Order Capability
Quick Delivery Service
Request Custom Sizing / Quotation
Technical Clarifications

Frequently Asked Questions on Stainless Steel Fasteners

Key engineering, tolerance, and international compliance answers from our metallurgical quality desk.

We manufacture hex bolts, socket cap screws, studs, nuts, washers, U-bolts, eye bolts, and anchor fasteners in various grades and sizes.

Fast Track Commercial Desk

Request Project Quotation for Stainless Steel Fasteners

Submit your required sizes, wall thicknesses, material grades, and total tonnage. Our technical sales engineers respond with complete mill pricing and lead times within 24 hours.

EN 10204 3.1 MTC Traceability
Third-Party Inspection Ready (TUV, DNV, BV)
Proven Industrial Track Record

Precision Manufacturing at Global Scale

Certified manufacturing, rigorous batch inspection, and reliable export logistics powering critical infrastructure projects across 6 continents.

100,000+
Metric Tons Shipped
To global energy & industrial sectors
60+
Export Destinations
USA, GCC, Europe & Asia-Pacific
ISO 9001
Certified Quality System
EN 10204 3.1 & 3.2 Traceability
99.9%
On-Time Dispatch Rate
Direct from Nhava Sheva (JNPT) port
100%
Hydrostatic Tested
Pressure tested up to 500 Bar