DIN 127-B Spring Lock Washer, Steel 420-490 HV, 12.2 x 21.1 x 2.5 mm, Zinc Flake, Silver (127122GEO500B)
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Product Description
DIN 127-B spring lock washer (form B), 12.2 x 21.1 x 2.5 mm, Article number 127122GEO500B. Property class / material: steel 420-490 hv, surface finish zinc flake, silver. Spring Lock Washer manufactured to DIN 127. Standard parts to the same standard, property class, dimensions and surface finish are interchangeable between manufacturers; confirm the controlling standard revision, any class-society or application approval, and the mating thread before substitution. Applications: load distribution and locking under bolt heads and nuts in machine building, structural steel, plant maintenance and marine outfitting.
Technical Specifications
- Standard
- DIN 127
- Standard description
- B
- Property class / grade
- HV420-490
- Class (detailed)
- HV420-490
- Material hardness
- HV420-490
- Surface treatment
- GEOMET 500B
- Surface treatment code
- ZINCFLAKE SILVER
- Diameter
- 12 mm
- Inner diameter
- 12.2 mm
- Outer diameter
- 21.1 mm
- Thickness
- 2.5 mm
- Article number
- 127122GEO500B
- Category
- Washers / Spring Lock Washers
Standards & Compliance
- Standard
- DIN 127
- Size / Series
- 12.2 x 21.1 x 2.5 mm
- Material
- Steel 420-490 HV
- HS Code
- 731821
Product Documentation
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Technical guides
Catalogue entry last verified: 2026-09-30. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 127122GEO500B?
- 127122GEO500B can be ordered from cballast.com as a Bufab catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Bufab product?
- The manufacturer part number is 127122GEO500B.
- What is the HS code for 127122GEO500B?
- The customs tariff (HS) code for 127122GEO500B is 731821.
- Who manufactures 127122GEO500B?
- 127122GEO500B is a Bufab product in the C-Parts range.
- Is a datasheet available for 127122GEO500B?
- Yes — the 127122GEO500B datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 127122GEO500B?
- The minimum order quantity is 1.
- Is 127122GEO500B available?
- Yes — 127122GEO500B is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).