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Nord-Lock 1/2in Locking Washer Stainless Steel 2149
Nord-Lock 1/2in Locking Washer Stainless Steel 2149 is an EN 1.4404 stainless wedge-locking washer pair for 1/2 in stainless bolts on typical holes and counterbores.
- The pair covers a typical 1/2 in stainless face with a 19.5 mm outer diameter
- EN 1.4404 stainless is used on general joints without chlorides or acids
- Surface-hardened stainless holds 520 HV0.05 min hardness
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Nord-Lock 1/2in Locking Washer Stainless Steel 2149
Nord-Lock 1/2in Locking Washer Stainless Steel 2149 is an EN 1.4404 stainless wedge-locking washer pair for 1/2 in stainless bolts on typical holes and counterbores. It is used on general stainless joints without chlorides or acids where a standard 19.5 mm outer diameter covers the bearing face. Surface-hardened stainless at 520 HV0.05 min keeps the pair on those faces.
Key Features
- 19.5 mm OD
- EN 1.4404
- 2.0 mm thickness
- 520 HV0.05 min
- Surface hardened
- General stainless without chlorides or acids
Applications
- General 1/2 in stainless joints on typical holes and counterbores.
- Tapped holes with a pair under the 1/2 in stainless bolt head.
- Through holes with a pair under the head and a pair under the nut.
- Outdoor or wet stainless work without a zinc coat, without chlorides or acids.
Technical Specifications
| Property | Value |
|---|---|
| Bolt size | 1/2 in |
| Inner diameter (d) | 13.5 mm |
| Outer diameter (D) | 19.5 mm |
| Thickness (T) | 2.0 mm |
| Material | EN 1.4404 stainless |
| Hardness | 520 HV0.05 min |
| Temperature range | -160 C to 500 C |
| Hardening | Surface hardened |
| Bolt grades | Up to A4-80 |
Product documents: Nord-Lock original washers 2026 user manual
Frequently Asked Questions
What work is Nord-Lock NL1/2ss used on?
Nord-Lock NL1/2ss is used on general 1/2 in stainless joints on typical holes and counterbores, without chlorides or acids.
What size is Nord-Lock NL1/2ss?
Nord-Lock NL1/2ss is a 1/2 in pair with a 13.5 mm inner diameter, 19.5 mm outer diameter, and 2.0 mm thickness.
What EN 1.4404 alloy does Nord-Lock NL1/2ss use on typical 1/2 in stainless counterbores?
Nord-Lock NL1/2ss is EN 1.4404 stainless for general joints without chlorides or acids.
What 19.5 mm standard stainless face does Nord-Lock NL1/2ss cover?
Nord-Lock NL1/2ss has a 19.5 mm outer diameter for typical 1/2 in stainless faces.
What 2.0 mm pair thickness does Nord-Lock NL1/2ss hold on EN 1.4404?
Nord-Lock NL1/2ss has a 2.0 mm thickness on the standard 1/2 in stainless pair.
What A4-80 bolt grades does Nord-Lock NL1/2ss hold on stainless joints?
Nord-Lock NL1/2ss holds bolt grades up to A4-80 on EN 1.4404 stainless.
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