Locking Washers

Every Locking Washers line we carry is factory-authorized — warranty, calibration record and terms intact. Shipped from San Diego, backed by our own ISO 9001:2015 calibration and repair lab.

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ISO 9001:2015Our own calibration lab

NIST traceableCertificate with every tool

ITAR registeredDefence & aerospace

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Authorized distributor
ISO 9001 calibration
Free shipping over $999.99
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Mon–Fri 7am–4pm PT
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Shop Locking Washers by category

Carbon Steel

Stainless Steel

SMO Stainless Steel

Shop Locking Washers by category

Carbon Steel

Stainless Steel

SMO Stainless Steel

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Nord-LockNord-Lock Delta Protekt Locking WashersNord-Lock Delta Protekt Locking Washers

Nord-Lock Delta Protekt Locking Washers provide reliable bolted-joint security by combining Nord-Lock’s proven wedge-locking technology with a Delta Protekt corrosion-resistant surface treatment. Designed for demanding industrial applications, these washers help prevent bolted joints from loosening under vibration and dynamic loads while providing durable protection against corrosion. Their pre-assembled washer pairs simplify installation and deliver consistent locking performance across a wide range of bolted connections.

Features & Benefits

Wedge-locking technology helps prevent loosening from vibration and dynamic loads
Delta Protekt surface treatment provides corrosion protection
Designed for demanding industrial fastening applications
Helps maintain bolted-joint security and preload

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Nord-LockNord-Lock 316 Stainless Locking WashersNord-Lock 316 Stainless Locking Washers

Nord-Lock 316 Stainless Steel Locking Washers provide reliable bolted-joint security in applications where corrosion resistance and resistance to vibration are important. Manufactured from 316 stainless steel, these wedge-locking washers use tension rather than friction to help prevent bolts from loosening under vibration and dynamic loads. Their corrosion-resistant construction makes them well suited for demanding environments, including marine, chemical processing, food processing, and other applications where stainless steel fastening components are preferred.

Features & Benefits

316 stainless steel construction provides excellent corrosion resistance
Wedge-locking technology helps prevent loosening from vibration and dynamic loads
Designed to help maintain bolt preload during operation
Suitable for demanding and corrosive environments

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Nord-LockNord-Lock 254 SMO Locking WashersNord-Lock 254 SMO Locking Washers

Nord-Lock 254 SMO Locking Washers combine proven wedge-locking technology with the exceptional corrosion resistance of 254 SMO stainless steel. Designed for demanding applications where vibration, dynamic loads, and aggressive environments can challenge conventional fastening systems, these washers help maintain secure bolted joints while providing enhanced resistance to corrosion. They are well suited for marine, offshore, chemical processing, and other applications requiring high-performance stainless steel fastening components.

Features & Benefits

254 SMO stainless steel construction provides high corrosion resistance
Wedge-locking technology helps prevent loosening from vibration and dynamic loads
Designed to help maintain bolt preload during operation
Suitable for aggressive and highly corrosive environments

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