[Patent Granted] Anti-loosening HEICO High-Lock Combination Washer
HEICO-LOCK(R) combination washer
Easily upgrade your standard bolts to "anti-loosening" bolts! Anti-loosening washers that ensure secure, reliable, and simple fastening.
The HEICO-LOCK® High Lock Series is a German-made locking washer that has been proven to prevent loosening through vibration tests in accordance with international standards. Simply fit it onto your standard bolts to add "looseness prevention effect"! You can easily use standard bolts as "Wedge Lock" bolts. 【Proven Loosening Prevention Performance】 - German Industrial Standards (DIN65151, DIN25201-4) - U.S. Aerospace Standards (NASM1312-7) 【Product Features of High Lock Combination Washer】 ■ Developed by a long-established German manufacturer with over 120 years of history ■ The structure includes a resin ring attached to the inside of the washer, with loosening prevention performance proven to meet DIN standards ■ Added function to prevent falling off from the bolt (NEW!) ■ Patent obtained ⇒ Not only does it offer ease of use, but it also ensures reliability in preventing loosening and provides peace of mind with its anti-fall function. If you are troubled by "loosening" of bolts, please consider HEICO. *If you would like a sample, please contact us with your size and application information via [Contact Us]. *Product details can be confirmed in the materials available for [PDF Download].
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basic information
The resin ring coupling is an original technology from HEICO in Germany and is certified under "Patent No. 6811858." < Other Product Details > ■ Special rings made from soft resin, also used for seal rings ■ The resin ring inside the washer always holds the two washers at a precise surface ■ The "tab" of the resin ring prevents the bolt from falling off by catching on the thread ■ The washers do not come apart due to the resin ring even when reused ■ Reduces stress during work without worrying about washer detachment ■ Compatible with various bolts available in the market ■ Usable with high-strength bolts of strength grades 8.8, 10.9, and 12.9 and their corresponding nuts ■ Suitable for environments using lubricants ■ Reusable (depending on usage conditions) ■ Reduction of work costs due to increased productivity ■ The basic outer diameter width comes in "2 types": standard width (narrow) / wide type ■ Standard materials: Steel, stainless steel *Please inquire for other materials. ■ Standard sizes: M8 - M16 *Sizes will be gradually expanded.
Price information
◆ Prices vary depending on quantity. ◆ If you provide the size, material, and intended use, we can offer samples.
Delivery Time
P1
※Delivery times may vary depending on the quantity, so please feel free to contact us.
Applications/Examples of results
<Applications> ◆ Energy (gas turbines for power generation, wind power generation, hydropower generation, etc.) ◆ Shipbuilding and marine equipment (marine engines, propulsion equipment, etc.) ◆ Railways and logistics ◆ Construction, forestry machinery, and agricultural machinery ◆ Manufacturing equipment (machine tools, presses, material handling equipment, etc.) ◆ Plant engineering (steel mills, oil refineries, chemical plants, etc.) ◆ Civil engineering and construction (bridges, steel construction, etc.) ◆ Motorsports *For more details, please feel free to contact us.
Detailed information
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【Reading and Rules for Model Numbers】 (1) Series: ・HL〈Wedge Lock Washer〉 ・HK〈Combination Washer〉 ・HLM〈Wedge Lock Nut〉 ・HLR〈Ring Lock Washer〉 (2) Outer Diameter Type: ・S〈Narrow Type (Standard)〉 ・B〈Wide Type〉 (3) Nominal Diameter (4) Material: ・No Marking〈Made of Steel〉 ・S〈Made of Stainless Steel〉 ・SMO354〈254SMO(R)〉 ・ALL718〈Alloy718〉
Line up（16）
| Model number | overview |
|---|---|
| HKS-8 | Size: M8, Material: Steel, Outer Diameter Type: Standard Width (Narrow) |
| HKB-8 | Size: M8, Material: Steel, Outer Diameter Type: Wide |
| HKS-8S | Size: M8, Material: Stainless Steel, Outer Diameter Type: Standard Width (Narrow) |
| HKB-8S | Size: M8, Material: Stainless Steel, Outer Diameter Type: Wide |
| HKS-10 | Size: M10, Material: Steel, Outer Diameter Type: Standard Width (Narrow) |
| HKB-10 | Size: M10, Material: Steel, Outer Diameter Type: Wide |
| HKS-10S | Size: M10, Material: Stainless Steel, Outer Diameter Type: Standard Width (Narrow) |
| HKB-10S | Size: M10, Material: Stainless Steel, Outer Diameter Type: Wide |
| HKS-12 | Size: M12, Material: Steel, Outer Diameter Type: Standard Width (Narrow) |
| HKB-12 | Size: M12, Material: Steel, Outer Diameter Type: Wide |
| HKS-12S | Size: M12, Material: Stainless Steel, Outer Diameter Type: Standard Width (Narrow) |
| HKB-12S | Size: M12, Material: Stainless Steel, Outer Diameter Type: Wide |
| HKS-16 | Size: M16, Material: Steel, Outer Diameter Type: Standard Width (Narrow) |
| HKB-16 | Size: M16, Material: Steel, Outer Diameter Type: Wide |
| HKS-16S | Size: M16, Material: Stainless Steel, Outer Diameter Type: Standard Width (Narrow) |
| HKB-16S | Size: M16, Material: Stainless Steel, Outer Diameter Type: Wide |
catalog（7）
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Company information
HEICO, a German company, was able to celebrate its 120th anniversary in 2020 since its founding in 1900. This is entirely thanks to the long-standing support of all of you, for which we are grateful. Since its establishment in 1900, HEICO has been manufacturing fastening components for 120 years. Our company is committed to continuous improvement of production processes and equipment as a fundamental principle in order to create the highest quality products that are "Made in Germany." We never neglect our efforts to enhance innovation for quality improvement. To improve product quality and production efficiency, we actively develop and manufacture our own unique tools and processing machines, implement in-house heat treatment and surface processing, and introduce process control systems. Moving forward, we aim to develop products that achieve "reliable, safe, and easy fastening," responding to our customers' needs based on the extensive know-how cultivated from our many years of experience and achievements.