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Every product page carries the standard it is built to, the catalogue group it belongs to, and the documents that go with it. Use the dimension table below to confirm sizes and tolerances, and the buttons to download the full PDF table or the CAD file for your drawing. If your application needs a size or a finish outside the table, our engineering team will review the drawing with you.
![Heavy Metric Helical Spring Lock Washers [Table 3] (SAE J403, J411, J404, J405, ASTM B211, B159, B99, QQ-N-286) — Indasco product W-04-0005](https://indasco.com/wp-content/uploads/2026/09/W-04-0005-Th.jpg)
Spring washers are designed to provide axial flexibility and maintain tension in bolted assemblies. They help prevent loosening due to vibration...
"This table provides a clear overview of the technical specifications for different product sizes. The listed dimensions include minimum and maximum values defined by international standards, ensuring accuracy and reliability in diverse applications. By reviewing these details, users can easily identify the right size and configuration for their specific needs, whether in structural projects, mechanical assemblies, or industrial installations. The data is presented in a standardized format to make comparison simple and to support informed decision-making across all product categories."
Materials: carbon steels (C15, C20, C35, A36, 35CrMo, 42CrMo, 40Cr), alloy steels (SCM435, SCM440, A325, A490), stainless steels (201, 202, 301, 302, 303, 304, 304L, 316, 316L, 316Ti, 321, 347), duplex 2205 and super duplex 2507, plus nickel, copper, aluminium (6xxx/7xxx), titanium and Inconel alloys or any material you specify.
Grades and standards: DIN, ISO, ANSI, ASTM, JIS and GB; property classes 4.8, 5.8, 6.8, 8.8, 10.9 and 12.9; A2-50, A2-70, A4-70 and A4-80; other grades on request.
Sizes: metric M3 to M120 and inch 1/4″ to 4″, in any length; non-standard and custom parts made to your drawing.
Finishes: black oxide, phosphating, hot-dip and electro galvanizing, zinc-nickel, zinc flake (Dacromet, Geomet), nickel, chrome, cadmium, silver, gold and copper plating, PTFE, PVD, anodizing and ceramic coatings.
Quality: dimensional inspection on every order; hardness, tensile and salt-spray tests and mill test certificates on request.
These products share a standard or a catalogue group with the one on this page. Open any card to see its drawing, dimension table and downloads, and compare sizes and standards before you ask for a quote.
Hardened Beveled Washers with Slope or Taper in Thickness 1:6 (ASTM F436 / F436M)
Hardened Beveled Washers with Slope or Taper in Thickness 1:6 (ASTM F436 / F436M)
Hardened Beveled Washers with Slope or Taper in Thickness 1:6 (ASTM F 436)
Hardened Beveled Washers with Slope or Taper in Thickness 1:6 (ASTM F 436)
Hardened Beveled Washers with Slope or Taper In Thichness 1:16 (ASTM F 436)
Hardened Beveled Washers with Slope or Taper In Thichness 1:16 (ASTM F 436)
Double Coil Helical Spring Lock Washers for Wood Structures
Double Coil Helical Spring Lock Washers for Wood Structures
![Regular Helical Spring-Lock Washers [Table 1] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286) — Indasco product W-04-0006](https://indasco.com/wp-content/uploads/2026/09/W-04-0006-Th.jpg)
Regular Helical Spring-Lock Washers [Table 1] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
Regular Helical Spring-Lock Washers [Table 1] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
![Regular Metric Helical Spring Lock Washers [Table 2] (SAE J403, J411, J404, J405, ASTM B211, B159, B99, QQ-N-286) — Indasco product W-04-0004](https://indasco.com/wp-content/uploads/2026/09/W-04-0004-Th.jpg)
Regular Metric Helical Spring Lock Washers [Table 2] (SAE J403, J411, J404, J405, ASTM B211, B159, B99, QQ-N-286)
Regular Metric Helical Spring Lock Washers [Table 2] (SAE J403, J411, J404, J405, ASTM B211, B159, B99, QQ-N-286)
![High-collar Helical Spring Lock Washers [Table 4] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286) — Indasco product W-04-0003](https://indasco.com/wp-content/uploads/2026/09/W-04-0003-Th.jpg)
High-collar Helical Spring Lock Washers [Table 4] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
High-collar Helical Spring Lock Washers [Table 4] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
![Extra-Duty Helical Spring-Lock Washers [Table 3] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286) — Indasco product W-04-0002](https://indasco.com/wp-content/uploads/2026/09/W-04-0002-Th.jpg)
Extra-Duty Helical Spring-Lock Washers [Table 3] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
Extra-Duty Helical Spring-Lock Washers [Table 3] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
![Heavy Helical Spring-Lock Washers [Table 2] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286) — Indasco product W-04-0001](https://indasco.com/wp-content/uploads/2026/09/W-04-0001-Th.jpg)
Heavy Helical Spring-Lock Washers [Table 2] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
Heavy Helical Spring-Lock Washers [Table 2] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
![Heavy Metric Helical Spring Lock Washers [Table 3] (SAE J403, J411, J404, J405, ASTM B211, B159, B99, QQ-N-286) — Indasco product W-04-0005](https://indasco.com/wp-content/uploads/2026/09/W-04-0005-Th-150x150.jpg)
