HEAVY HEX SCREW/ BOLT

Description

Description

Heavy Hex Screw / Heavy Hex Bolt | SS 304 / SS 316 | MKM Fastener LLC

MKM Fastener IND LLC is a leading manufacturer and supplier of Heavy Hex Screws and Bolts, engineered to deliver high strength and long-lasting performance in demanding industrial applications. Designed with a larger head for increased bearing surface, these fasteners are ideal for heavy-duty bolting applications across construction, oil & gas, marine, and structural industries.

Manufactured from premium-grade Stainless Steel 304 / 304L and 316 / 316L, our Heavy Hex Bolts offer excellent corrosion resistance, ensuring durability in extreme environments.

Product Specifications:

• Product Name: Heavy Hex Screw / Bolt

• Thread Type: Metric & Inch

• Dimensional Standards:

  • Inches: ANSI B18.2.1

  • Metric: DIN 931 / 933, ISO 4014 / ISO 4017

• Mechanical Standards:

  • Inches: ASTM F 593

  • Metric: ISO 3506-1

• Marking & Tensile Strength:

  • Inches – ASTM F593 Grades:

    • F593 C: Min 95 ksi (SS 304 / SS 304L)

    • F593 D: Min 80 ksi (SS 304 / SS 304L)

    • F593 G: Min 95 ksi (SS 316 / SS 316L)

    • F593 H: Min 80 ksi (SS 316 / SS 316L)

  • Metric – ISO Grades:

    • A2-70: Min 700 MPa (SS 304 / SS 304L)

    • A2-80: Min 800 MPa (SS 304 / SS 304L)

    • A4-70: Min 700 MPa (SS 316 / SS 316L)

    • A4-80: Min 800 MPa (SS 316 / SS 316L)

• Size Range:

  • Inches: 1/4″ to 2″

  • Metric: M5 to M52 (custom sizes available upon request)

Key Features:

• Heavy hex head for greater torque control and load distribution

• Made from high-grade stainless steel for superior corrosion resistance

• Compliant with international standards ensuring performance and safety

• Available in both full thread and partial thread options

• Ideal for structural, marine, and high-pressure applications

Whether you need strength, durability, or corrosion resistance, MKM Fastener LLC delivers Heavy Hex Bolts that meet your exacting standards.