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Metric Grade A-4 Bolts


High-Quality Metric Grade A-4 Bolts | U-Bolt-It

What is a Metric Grade A-4 Bolt?

A Metric Grade A-4 bolt is a premium industrial fastener manufactured using high-performance austenitic stainless steel materials. Known for their exceptional durability in harsh environments, these bolts exhibit superior corrosion and acid resistance, along with highly reliable tensile strength. Additionally, most of the alloys used to manufacture A-4 metric fasteners are completely non-magnetic.

Technical Specifications and Standards

Our metric Grade A-4 fasteners are engineered to withstand extreme conditions and meet strict industry standards. Key specifications include:

  • Yield Strength: Averages 600 MPa
  • Tensile Strength: Averages 800 MPa
  • Industry Standards: Meets ASTM 316 specifications
  • Properties: Non-magnetic construction with superior acid and rust resistance

Common Industry Applications

Because of their robust resistance to harsh elements and corrosive chemicals, Metric Grade A-4 bolts are the ideal fastening solution for:

  • Marine and coastal infrastructure
  • Chemical processing equipment and plants
  • Harsh outdoor applications and structural builds
  • General corrosive industrial environments

Extensive Inventory and Custom Finishes

U-Bolt-It distributes and manufactures high-quality metric A-4 bolts for all industries. We work directly with the top manufacturers in the industry and stock an extensive inventory of metric grade A-4 bolts in a wide range of standard, coarse, and fine sizes. In addition, U-Bolt-It offers custom finishing and coating services to ensure your hardware meets the exact specifications of your project.

Request a Quote Today

U-Bolt-It's bolt specialists are available to help you select the best fastener for your specific application. Their application expertise will ensure that the hardware you select will perform at or above your strict requirements. Contact our team directly by phone or give us a call today for an estimate. We look forward to speaking with you!

Types of Metric Grade A-4 Bolts


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SKU NAME THREAD LENGTH DETAILS
MH3S0160170 M16-2.0 X 170MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2 170MM
MH3S0160180 M16-2.0 X 180MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2 180MM
MH3S0160190 M16-2.0 X 190MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2 190MM
MH3S0160200 M16-2.0 X 200MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2 200MM
MH3S0160210 M16-2.0 X 210MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2 210MM
MH3S0160220 M16-2.0 X 220MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2 220MM
MH3S0160230 M16-2.0 X 230MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2 230MM
MH3S0160240 M16-2.0 X 240MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2 240MM
MH3S0160250 M16-2.0 X 250MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2 250MM
MH3S0200025 M20-2.5 X 25MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2.5 25MM
MH3S0200030 M20-2.5 X 30MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2.5 30MM
MH3S0200035 M20-2.5 X 35MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2.5 35MM
MH3S0200040 M20-2.5 X 40MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2.5 40MM
MH3S0200045 M20-2.5 X 45MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2.5 45MM
MH3S0200050 M20-2.5 X 50MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2.5 50MM
MH3S0200060 M20-2.5 X 60MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2.5 60MM
MH3S0200065 M20-2.5X 65MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2.5 65MM
MH3S0200070 M20-2.5 X 70MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2.5 70MM
MH3S0200080 M20-2.5 X 80MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2.5 80MM
MH3S0200090 M20-2.5 X 90MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2.5 90MM
MH3S0200100 M20-2.5 X 100MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2.5 100MM
MH3S0200110 M20-2.5 X 110MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2.5 110MM
MH3S0200120 M20-2.5 X 120MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2.5 120MM
MH3S0200130 M20-2.5 X 130MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2.5 130MM
MH3S0200140 M20-2.5 X 140MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2.5 140MM
MH3S0200150 M20-2.5 X 150MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2.5 150MM
MH3S0200160 M20-2.5 X 160MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2.5 160MM
MH3S0200170 M20-2.5 X 170MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2.5 170MM
MH3S0200180 M20-2.5 X 180MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2.5 180MM
MH3S0200190 M20-2.5 X 190MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2.5 190MM
MH3S0200200 M20-2.5 X 200MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2.5 200MM
MH3S0200210 M20-2.5 X 210MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2.5 210MM
MH3S0200220 M20-2.5 X 220MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2.5 220MM
MH3S0200240 M20-2.5 X 240MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2.5 240MM
MH3S0200250 M20-2.5 X 250MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 2.5 250MM
MH3S0240040 M24-3.0 X 40MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 3 40MM
MH3S0240050 M24-3.0 X 50MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 3 50MM
MH3S0240060 M24-3.0 X 60MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 3 60MM
MH3S0240070 M24-3.0 X 70MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 3 70MM
MH3S0240080 M24-3.0 X 80MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 3 80MM
MH3S0240090 M24-3.0 X 90MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 3 90MM
MH3S0240100 M24-3.0 X 100MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 3 100MM
MH3S0240110 M24-3.0 X 110MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 3 110MM
MH3S0240120 M24-3.0 X 120MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 3 120MM
MH3S0240130 M24-3.0 X 130MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 3 130MM
MH3S0240140 M24-3.0 X 140MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 3 140MM
MH3S0240150 M24-3.0 X 150MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 3 150MM
MH3S0240160 M24-3.0 X 160MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 3 160MM
MH3S0240170 M24-3.0 X 170MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 3 170MM
MH3S0240180 M24-3.0 X 180MM A-4 STAINLESS STEEL HEX HEAD CAP SCREW 3 180MM