
Product Description
DIN 125-B round flat washer (form B), 43 x 78 x 7 mm, Article number 125B432. Property class / material: steel 140 hv, surface finish hot-dip galvanised. Round Flat Washer manufactured to DIN 125. 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 125
- Standard description
- B
- Property class / grade
- HV140
- Class (detailed)
- HV140
- Material hardness
- HV140
- Surface treatment
- Hot Dip Galvanizing
- Surface treatment code
- HDG
- Diameter
- 42 mm
- Inner diameter
- 43 mm
- Outer diameter
- 78 mm
- Thickness
- 7 mm
- Article number
- 125B432
- Category
- Washers / Plain Washers
Standards & Compliance
- Standard
- DIN 125
- Size / Series
- 43 x 78 x 7 mm
- Material
- Steel 140 HV
- HS Code
- 731822
Product Documentation
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DIN 125-B Round Flat Washer, Steel 140 HV, 50 x 92 x 8 mm, Plain
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DIN 125-B Round Flat Washer, Steel 140 HV, 50 x 92 x 8 mm, Zinc Plated (125B501)

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DIN 125-B Round Flat Washer, Steel 140 HV, 50 x 92 x 8 mm, Hot-Dip Galvanised
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DIN 125-B Round Flat Washer, Steel 140 HV, 54 x 98 x 8 mm, Plain
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DIN 125-B Round Flat Washer, Steel 140 HV, 54 x 98 x 8 mm, Zinc Plated
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DIN 125-B Round Flat Washer, Steel 140 HV, 58 x 105 x 9 mm, Zinc Plated
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DIN 125-B Round Flat Washer, Steel 140 HV, 66 x 115 x 9 mm, Plain
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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 125B432?
- 125B432 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 125B432.
- What is the HS code for 125B432?
- The customs tariff (HS) code for 125B432 is 731822.
- Who manufactures 125B432?
- 125B432 is a Bufab product in the C-Parts range.
- Is a datasheet available for 125B432?
- Yes — the 125B432 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 125B432?
- The minimum order quantity is 1.
- Is 125B432 available?
- Yes — 125B432 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).
