Product Description
ISO 8750 spiral pin, 4 x 12 mm, Article number 875004012. Property class / material: steel 420-545 hv, surface finish plain. Spiral Pin manufactured to ISO 8750. 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: positioning, alignment and locking of machine elements, shafts and fittings in machine building, plant maintenance and marine equipment.
Technical Specifications
- Standard
- ISO 8750
- Property class / grade
- HV420-545
- Class (detailed)
- HV420-545
- Surface treatment
- Plain (no plating)
- Surface treatment code
- PLAIN
- Pin diameter
- 4 mm
- Pin End Diameter
- 3.9 mm
- Pin length
- 12 mm
- Pin Taper Length
- 1.1 mm
- Pin Wall Thickness
- 0.33 mm
- Article number
- 875004012
- Category
- Pins / Spiral Pins
Standards & Compliance
- Standard
- ISO 8750
- Size / Series
- 4 x 12 mm
- Material
- Steel 420-545 HV
- HS Code
- 731824
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 875004012?
- 875004012 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 875004012.
- What is the HS code for 875004012?
- The customs tariff (HS) code for 875004012 is 731824.
- Who manufactures 875004012?
- 875004012 is a Bufab product in the C-Parts range.
- Is a datasheet available for 875004012?
- Yes — the 875004012 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 875004012?
- The minimum order quantity is 1.
- Is 875004012 available?
- Yes — 875004012 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).