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Nord-Lock 7/8in Locking Washer Stainless Steel 1128
Nord-Lock 7/8in Locking Washer Stainless Steel 1128 is an EN 1.4404 stainless wedge-locking washer pair for 7/8 in stainless bolts on typical holes and counterbores.
- The pair covers a typical 7/8 in stainless face with a 34.5 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 7/8in Locking Washer Stainless Steel 1128
Nord-Lock 7/8in Locking Washer Stainless Steel 1128 is an EN 1.4404 stainless wedge-locking washer pair for 7/8 in stainless bolts on typical holes and counterbores. It is used on general stainless joints without chlorides or acids where a standard 34.5 mm outer diameter covers the bearing face. Surface-hardened stainless at 520 HV0.05 min keeps the pair on those faces.
Key Features
- 34.5 mm OD
- EN 1.4404
- 3.2 mm thickness
- 520 HV0.05 min
- Surface hardened
- General stainless without chlorides or acids
Applications
- General 7/8 in stainless joints on typical holes and counterbores.
- Tapped holes with a pair under the 7/8 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 | 7/8 in |
| Inner diameter (d) | 23.4 mm |
| Outer diameter (D) | 34.5 mm |
| Thickness (T) | 3.2 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 NL22ss used on?
Nord-Lock NL22ss is used on general 7/8 in stainless joints on typical holes and counterbores, without chlorides or acids.
What size is Nord-Lock NL22ss?
Nord-Lock NL22ss is a 7/8 in pair with a 23.4 mm inner diameter, 34.5 mm outer diameter, and 3.2 mm thickness.
What EN 1.4404 stainless does Nord-Lock NL22ss hold on typical counterbores?
Nord-Lock NL22ss is EN 1.4404 stainless for general joints without chlorides or acids.
What 34.5 mm face does Nord-Lock NL22ss cover on a standard 7/8 in stainless hole?
Nord-Lock NL22ss has a 34.5 mm outer diameter for typical 7/8 in stainless faces.
What surface-hardened HV0.05 bar does Nord-Lock NL22ss meet?
Nord-Lock NL22ss has a surface-hardened hardness of 520 HV0.05 min.
What A4-80 bolt grade ceiling does Nord-Lock NL22ss hold?
Nord-Lock NL22ss holds bolt grades up to A4-80 on EN 1.4404 stainless.
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