Comprehensive Catalog_HEICO High-Lock Wedge Lock System
HEICO-LOCK® High Lock Wedge Locking System
A reliable locking system that maintains bolt fixation through axial force (preload) rather than friction.
The "HEICO-LOCK(R) Wedge Locking System" protects bolts from rotational loosening not through friction, but by using "axial force (preload)." Born in Germany, HEICO-LOCK(R) provides high anti-loosening performance and reliability even under severe vibrations and dynamic loads. The anti-loosening effect of the HEICO-LOCK(R) series has been proven through vibration tests in accordance with international standards. - German Industrial Standards (DIN 65151, DIN 25201-4) - U.S. Aerospace Standards (NASM 1312-7) 【Features】 ◆ The inner surface of the washer has a wedge-shaped cam surface, while the outer surface has a radial tooth surface. ◆ The radial tooth surface on the outer side of the washer spikes firmly into the underside of the bolt/nut and the material being fastened when the bolt is tightened. ◆ The movement of the system occurs only between the wedge-shaped cam surfaces on the inside of the washer. ◆ Movement at the wedge-shaped cam surface effectively increases the axial force of the bolt. ◆ It provides reliable fastening strength under dynamic loads. *For more details, please download the PDF or contact us.
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basic information
■ A proven locking system that secures bolts even under high loads ■ Suitable for environments using lubricants ■ Reusable *depending on usage conditions ■ Very easy to install and remove ■ HEICO-LOCK(R) is provided in pairs ■ Usable with high-strength bolts (8.8, 10.9, 12.9, A2-70, A4-80, etc.) ■ The basic outer diameter width comes in "2 types": narrow width / wide width ■ Standard materials: steel, stainless steel, 254 SMO, Inconel, etc. ■ A rich lineup tailored to usage purposes ■ Standard sizes: M3 – M76, ¼” – 3” *Custom sizes are also available ■ A wide range of products suited for various applications and environments － HEICO-LOCK(R) wedge lock washers － HEICO-LOCK(R) combination washers － HEICO-LOCK(R) wedge lock nuts － HEICO-LOCK(R) ring lock washers *Please feel free to contact us for more details.
Price information
◆ Prices vary depending on the quantity. ◆ If you provide the size, material, and intended use, we can offer samples.
Delivery Time
P1
※The delivery date 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, hydropower, 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 notation〈Made of Steel〉 - S〈Made of Stainless Steel〉 - SMO354〈254SMO(R)〉 - ALL718〈Alloy718〉
Line up（13）
| Model number | overview |
|---|---|
| HLS-▢ | HEICO-LOCK(R) wedge lock washer, size: M3 to M76 (numbers will be inserted in ▢), made of steel, standard width (narrow) |
| HLB-▢ | HEICO-LOCK(R) wedge lock washer, size: M3.5 to M36 (numbers will be inserted in ▢), made of steel, wide |
| HLS-▢S | HEICO-LOCK(R) wedge lock washer, size: M3 to M76 (numbers will be inserted in ▢), made of stainless steel, standard width (narrow) |
| HLB-▢S | HEICO-LOCK(R) wedge lock washer, size: M3.5 to M36 (numbers will be inserted in ▢), made of steel, wide |
| HKS-▢ | HEICO-LOCK(R) combination washer, size: M8 to M16 (numbers will be inserted in ▢), made of steel, standard width (narrow) |
| HKB-▢ | HEICO-LOCK(R) combination washer, size: M8 to M16 (numbers will be inserted in ▢), made of steel, wide |
| HKS-▢S | HEICO-LOCK(R) combination washer, size: M8 to M16 (numbers will be inserted in ▢), made of stainless steel, standard width (narrow) |
| HKB-▢S | HEICO-LOCK(R) combination washer, size: M8 to M16 (numbers will be inserted in ▢), made of stainless steel, wide |
| HLM-▢ | HEICO-LOCK(R) wedge lock nut, size: M6 to M27 (numbers will be inserted in ▢), made of steel, wide |
| HLRS-▢ | HEICO-LOCK(R) ring lock washer, size: M5 to 1 |
| HLRB-▢ | HEICO-LOCK(R) ring lock washer, size: M4 to M20 (numbers will be inserted in ▢), made of steel, wide |
| HLRS-▢S | HEICO-LOCK(R) ring lock washer, size: M5 to 1 |
| HLRB-▢S | HEICO-LOCK(R) ring lock washer, size: M4 to M20 (numbers will be inserted in ▢), made of stainless steel, 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.