Key Features
- Sizes and Specifications
- We offer a comprehensive range of stud bolts and nuts from ½” to 4” in diameter, conforming to various international standards including ASME B16.5, ASME B16.47, ASME B1.1 and ASME B18.2.2, as well as BS standards (3692, 4439, 2693-1:1956).
- We offer a variety of thread configurations, including fully threaded, double-ended with tapped ends, and hex head styles.
- Other categories of fasteners are also available upon request including Hexagonal Head Bolts / Cap Screws and Anchor Bolts
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Available Material
Our bolting solutions are manufactured from and available in a wide spectrum of high-grade carbon steel, stainless steel, alloy steel, duplex, and super duplex bolting materials to meet your specific application requirements, including:
• ASTM A193/A193M
• ASTM A320/A320M
• ASTM A354
• ASTM A449
• ASTM A453/A453M
• ASTM F468/F468M
• ASTM A540/A540M
• ASTM F593
• ASTM A1014/A1014M
• ASTM A1082/1082M
Industry Recognition
Nigeria Machine Tools(NMT) is qualified as a technologically accepted manufacturer and product (TAMAP) by Shell Global Operations because of its bolts and nuts production. Chevron Technical Company Houston, on behalf of Chevron Nigeria, also qualifies NMT as an approved Original Equipment Manufacturer (OEM) for bolts. Nigeria Liquefied Natural Gas Company, Exxon Mobil, and Total Energies also approve NMT as an OEM for bolts.
With over 40 years of expertise in the manufacture of machine components, NMT guarantees unmatched quality, timely delivery, and customer satisfaction