TTBOLT is a manufacturer and supplier of industrial fasteners, specializing in high-quality bolts, nuts, washers and custom fastening solutions.
Our products are manufactured according to international standards including DIN, ISO, ASTM and ASME , serving industries such as construction, oil & gas, petrochemical, mining, power generation, heavy machinery and infrastructure projects.
Our Product Range
Hex Bolts
Heavy Hex Bolts
Hex Flange Bolts
Socket Head Cap Screws
Hex Nuts & Heavy Hex Nuts
Flat Washers & Spring Washers
Custom Fasteners
Why TTBOLT?
Manufactured to international standards
Metric and Inch sizes
Carbon Steel, Alloy Steel and Stainless Steel
Various property classes and grades
Multiple surface finishes
Custom manufacturing based on customer drawings
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ASME B18.21.1 Regular Helical Spring-Lock Washer Nominal size: 2 in Inside diameter: 2.008–2.039 in Maximum outside diameter: 2.936 in Minimum mean section thickness: 0.422 in Minimum section width: 0.427 in Minimum bearing width: 0.299 in Material: Stainless Steel Finish: Plain Theoretical mass: 184.572 g/pc
1,177,000
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ASME B18.21.1 Regular Helical Spring-Lock Washer Nominal size: 2 in Inside diameter: 2.008–2.039 in Maximum outside diameter: 2.936 in Minimum mean section thickness: 0.422 in Minimum section width: 0.427 in Minimum bearing width: 0.299 in Material: Carbon Steel Finish: Zinc Plated Theoretical mass: 182.71 g/pc
1,165,000
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ASME B18.21.1 Regular Helical Spring-Lock Washer Nominal size: 2 in Inside diameter: 2.008–2.039 in Maximum outside diameter: 2.936 in Minimum mean section thickness: 0.422 in Minimum section width: 0.427 in Minimum bearing width: 0.299 in Material: Carbon Steel Finish: Plain Theoretical mass: 182.71 g/pc
1,165,000
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ASME B18.21.1 Regular Helical Spring-Lock Washer Nominal size: 2-1/2 in Inside diameter: 2.512–2.543 in Maximum outside diameter: 3.471 in Minimum mean section thickness: 0.44 in Minimum section width: 0.442 in Minimum bearing width: 0.309 in Material: Stainless Steel Finish: Plain Theoretical mass: 240.491 g/pc
1,534,000
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ASME B18.21.1 Regular Helical Spring-Lock Washer Nominal size: 2-1/2 in Inside diameter: 2.512–2.543 in Maximum outside diameter: 3.471 in Minimum mean section thickness: 0.44 in Minimum section width: 0.442 in Minimum bearing width: 0.309 in Material: Carbon Steel Finish: Zinc Plated Theoretical mass: 238.065 g/pc
1,518,000
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ASME B18.21.1 Regular Helical Spring-Lock Washer Nominal size: 2-1/2 in Inside diameter: 2.512–2.543 in Maximum outside diameter: 3.471 in Minimum mean section thickness: 0.44 in Minimum section width: 0.442 in Minimum bearing width: 0.309 in Material: Carbon Steel Finish: Plain Theoretical mass: 238.065 g/pc
1,518,000
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ASME B18.21.1 Regular Helical Spring-Lock Washer Nominal size: 2-1/4 in Inside diameter: 2.262–2.293 in Maximum outside diameter: 3.221 in Minimum mean section thickness: 0.44 in Minimum section width: 0.442 in Minimum bearing width: 0.309 in Material: Stainless Steel Finish: Plain Theoretical mass: 220.642 g/pc
1,407,000
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ASME B18.21.1 Regular Helical Spring-Lock Washer Nominal size: 2-1/4 in Inside diameter: 2.262–2.293 in Maximum outside diameter: 3.221 in Minimum mean section thickness: 0.44 in Minimum section width: 0.442 in Minimum bearing width: 0.309 in Material: Carbon Steel Finish: Zinc Plated Theoretical mass: 218.416 g/pc
1,393,000
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