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Spring-Lock Washer

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TTBolt ASMEB18.21.1

ASME B18.21.1 Regular Spring-Lock Washer 1-7/8 in – Stainless Steel – Plain

ASME B18.21.1 Regular Helical Spring-Lock Washer
Nominal size: 1-7/8 in
Inside diameter: 1.883–1.914 in
Maximum outside diameter: 2.811 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: 175.376 g/pc
1,119,000 ریال
TTBolt ASMEB18.21.1

ASME B18.21.1 Regular Spring-Lock Washer 1-7/8 in – Carbon Steel – Zinc Plated

ASME B18.21.1 Regular Helical Spring-Lock Washer
Nominal size: 1-7/8 in
Inside diameter: 1.883–1.914 in
Maximum outside diameter: 2.811 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: 173.607 g/pc
1,107,000 ریال
TTBolt ASMEB18.21.1

ASME B18.21.1 Regular Spring-Lock Washer 1-7/8 in – Carbon Steel – Plain

ASME B18.21.1 Regular Helical Spring-Lock Washer
Nominal size: 1-7/8 in
Inside diameter: 1.883–1.914 in
Maximum outside diameter: 2.811 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: 173.607 g/pc
1,107,000 ریال
TTBolt ASMEB18.21.1

ASME B18.21.1 Regular Spring-Lock Washer 2 in – Stainless Steel – Plain

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 ریال
TTBolt ASMEB18.21.1

ASME B18.21.1 Regular Spring-Lock Washer 2 in – Carbon Steel – Zinc Plated

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 ریال
TTBolt ASMEB18.21.1

ASME B18.21.1 Regular Spring-Lock Washer 2 in – Carbon Steel – Plain

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 ریال
TTBolt ASMEB18.21.1

ASME B18.21.1 Regular Spring-Lock Washer 2-1/2 in – Stainless Steel – Plain

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 ریال
TTBolt ASMEB18.21.1

ASME B18.21.1 Regular Spring-Lock Washer 2-1/2 in – Carbon Steel – Zinc Plated

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 ریال
TTBolt ASMEB18.21.1

ASME B18.21.1 Regular Spring-Lock Washer 2-1/2 in – Carbon Steel – Plain

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 ریال
TTBolt ASMEB18.21.1

ASME B18.21.1 Regular Spring-Lock Washer 2-1/4 in – Stainless Steel – Plain

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 ریال
TTBolt ASMEB18.21.1

ASME B18.21.1 Regular Spring-Lock Washer 2-1/4 in – Carbon Steel – Zinc Plated

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 ریال
TTBolt ASMEB18.21.1

ASME B18.21.1 Regular Spring-Lock Washer 2-1/4 in – Carbon Steel – Plain

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: Plain
Theoretical mass: 218.416 g/pc
1,393,000 ریال
TTBolt ASMEB18.21.1

ASME B18.21.1 Regular Spring-Lock Washer 2-3/4 in – Stainless Steel – Plain

ASME B18.21.1 Regular Helical Spring-Lock Washer
Nominal size: 2-3/4 in
Inside diameter: 2.762–2.793 in
Maximum outside diameter: 3.824 in
Minimum mean section thickness: 0.458 in
Minimum section width: 0.491 in
Minimum bearing width: 0.344 in
Material: Stainless Steel
Finish: Plain
Theoretical mass: 305.989 g/pc
1,951,000 ریال
TTBolt ASMEB18.21.1

ASME B18.21.1 Regular Spring-Lock Washer 2-3/4 in – Carbon Steel – Zinc Plated

ASME B18.21.1 Regular Helical Spring-Lock Washer
Nominal size: 2-3/4 in
Inside diameter: 2.762–2.793 in
Maximum outside diameter: 3.824 in
Minimum mean section thickness: 0.458 in
Minimum section width: 0.491 in
Minimum bearing width: 0.344 in
Material: Carbon Steel
Finish: Zinc Plated
Theoretical mass: 302.903 g/pc
1,931,000 ریال
TTBolt ASMEB18.21.1

ASME B18.21.1 Regular Spring-Lock Washer 2-3/4 in – Carbon Steel – Plain

ASME B18.21.1 Regular Helical Spring-Lock Washer
Nominal size: 2-3/4 in
Inside diameter: 2.762–2.793 in
Maximum outside diameter: 3.824 in
Minimum mean section thickness: 0.458 in
Minimum section width: 0.491 in
Minimum bearing width: 0.344 in
Material: Carbon Steel
Finish: Plain
Theoretical mass: 302.903 g/pc
1,931,000 ریال
TTBolt ASMEB18.21.1

ASME B18.21.1 Regular Spring-Lock Washer 3 in – Stainless Steel – Plain

ASME B18.21.1 Regular Helical Spring-Lock Washer
Nominal size: 3 in
Inside diameter: 3.012–3.043 in
Maximum outside diameter: 4.074 in
Minimum mean section thickness: 0.458 in
Minimum section width: 0.491 in
Minimum bearing width: 0.344 in
Material: Stainless Steel
Finish: Plain
Theoretical mass: 328.941 g/pc
2,097,000 ریال
TTBolt ASMEB18.21.1

ASME B18.21.1 Regular Spring-Lock Washer 3 in – Carbon Steel – Zinc Plated

ASME B18.21.1 Regular Helical Spring-Lock Washer
Nominal size: 3 in
Inside diameter: 3.012–3.043 in
Maximum outside diameter: 4.074 in
Minimum mean section thickness: 0.458 in
Minimum section width: 0.491 in
Minimum bearing width: 0.344 in
Material: Carbon Steel
Finish: Zinc Plated
Theoretical mass: 325.623 g/pc
2,076,000 ریال
TTBolt ASMEB18.21.1

ASME B18.21.1 Regular Spring-Lock Washer 3 in – Carbon Steel – Plain

ASME B18.21.1 Regular Helical Spring-Lock Washer
Nominal size: 3 in
Inside diameter: 3.012–3.043 in
Maximum outside diameter: 4.074 in
Minimum mean section thickness: 0.458 in
Minimum section width: 0.491 in
Minimum bearing width: 0.344 in
Material: Carbon Steel
Finish: Plain
Theoretical mass: 325.623 g/pc
2,076,000 ریال
TTBolt ASMEB18.21.1

ASME B18.21.1 Regular Spring-Lock Washer 3/4 in – Stainless Steel – Plain

ASME B18.21.1 Regular Helical Spring-Lock Washer
Nominal size: 3/4 in
Inside diameter: 0.753–0.766 in
Maximum outside diameter: 1.265 in
Minimum mean section thickness: 0.188 in
Minimum section width: 0.234 in
Minimum bearing width: 0.164 in
Material: Stainless Steel
Finish: Plain
Theoretical mass: 18.516 g/pc
118,000 ریال
TTBolt ASMEB18.21.1

ASME B18.21.1 Regular Spring-Lock Washer 3/4 in – Carbon Steel – Zinc Plated

ASME B18.21.1 Regular Helical Spring-Lock Washer
Nominal size: 3/4 in
Inside diameter: 0.753–0.766 in
Maximum outside diameter: 1.265 in
Minimum mean section thickness: 0.188 in
Minimum section width: 0.234 in
Minimum bearing width: 0.164 in
Material: Carbon Steel
Finish: Zinc Plated
Theoretical mass: 18.33 g/pc
117,000 ریال
TTBolt ASMEB18.21.1

ASME B18.21.1 Regular Spring-Lock Washer 3/4 in – Carbon Steel – Plain

ASME B18.21.1 Regular Helical Spring-Lock Washer
Nominal size: 3/4 in
Inside diameter: 0.753–0.766 in
Maximum outside diameter: 1.265 in
Minimum mean section thickness: 0.188 in
Minimum section width: 0.234 in
Minimum bearing width: 0.164 in
Material: Carbon Steel
Finish: Plain
Theoretical mass: 18.33 g/pc
117,000 ریال
TTBolt ASMEB18.21.1

ASME B18.21.1 Regular Spring-Lock Washer 3/8 in – Stainless Steel – Plain

ASME B18.21.1 Regular Helical Spring-Lock Washer
Nominal size: 3/8 in
Inside diameter: 0.377–0.385 in
Maximum outside diameter: 0.68 in
Minimum mean section thickness: 0.094 in
Minimum section width: 0.141 in
Minimum bearing width: 0.099 in
Material: Stainless Steel
Finish: Plain
Theoretical mass: 2.916 g/pc
19,000 ریال
TTBolt ASMEB18.21.1

ASME B18.21.1 Regular Spring-Lock Washer 3/8 in – Carbon Steel – Zinc Plated

ASME B18.21.1 Regular Helical Spring-Lock Washer
Nominal size: 3/8 in
Inside diameter: 0.377–0.385 in
Maximum outside diameter: 0.68 in
Minimum mean section thickness: 0.094 in
Minimum section width: 0.141 in
Minimum bearing width: 0.099 in
Material: Carbon Steel
Finish: Zinc Plated
Theoretical mass: 2.887 g/pc
19,000 ریال
TTBolt ASMEB18.21.1

ASME B18.21.1 Regular Spring-Lock Washer 3/8 in – Carbon Steel – Plain

ASME B18.21.1 Regular Helical Spring-Lock Washer
Nominal size: 3/8 in
Inside diameter: 0.377–0.385 in
Maximum outside diameter: 0.68 in
Minimum mean section thickness: 0.094 in
Minimum section width: 0.141 in
Minimum bearing width: 0.099 in
Material: Carbon Steel
Finish: Plain
Theoretical mass: 2.887 g/pc
19,000 ریال

ASME B18.21.1 Regular Helical Spring-Lock Washers are inch-series washers for general bolted-joint applications. This category covers the complete Table 1 Regular series from No.2 through 3 in, with the carbon-steel and stainless-steel material and finish combinations listed in the catalog.

ASME B18.21.1 dimensions and material selection

Each product page shows the published inside-diameter limits, maximum outside diameter, minimum mean section thickness, minimum section width, minimum bearing width, and a calculated theoretical mass. ASME B18.21.1 also defines material, hardness, processing, workmanship, and twist-test requirements. Confirm the exact material grade and finish specification before ordering.

Important engineering note

The word “lock” is the conventional name of this washer family and does not guarantee permanent locking of a joint. For zinc-electroplated carbon-steel washers, hydrogen-embrittlement relief and post-plating verification are essential ordering requirements. Critical or high-vibration connections must be evaluated according to joint design, preload, and service conditions.