Product Description
ISO 14583 rounded head screw with torx, M4 x 18, Article number 145838040181. Property class / material: steel 8.8, surface finish zinc plated. Rounded Head Screw with Torx manufactured to ISO 14583 with ISO metric (M) thread, coarse pitch, fully threaded. 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.
Technical Specifications
- Standard
- ISO 14583
- Type
- Rounded Head Screw
- Property class / grade
- 8.8
- Class (detailed)
- 8.8
- Thread type
- M
- Thread diameter
- 4 mm
- Pitch
- 0.7 mm
- Thread pitch class
- Coarse
- Thread direction
- Right
- Length
- 18 mm
- Thread length
- 18 mm
- Tapping length
- 18 mm
- Threading
- Fully Threaded
- Fully threaded
- Yes
- Head type
- Pan Head
- Drive type
- TX T20
- Drive key width
- 3.95 mm
- Head height
- 3.1 mm
- Head diameter
- 8 mm
- Surface treatment
- Zinc Bright Passivation Fe/Zn P1 (ZPL 3+)
- Surface treatment code
- ZPL
- Torx size
- T20
- Length
- 18 mm
- Thread standard
- ISO metric (M)
- Article number
- 145838040181
- Category
- Bolts and Screws / Round Head Screws
Standards & Compliance
- Standard
- ISO 14583
- Size / Series
- M4 x 18
- Material
- Steel 8.8
- Thread Standard
- ISO metric (M)
- HS Code
- 731815
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 145838040181?
- 145838040181 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 145838040181.
- What is the HS code for 145838040181?
- The customs tariff (HS) code for 145838040181 is 731815.
- Who manufactures 145838040181?
- 145838040181 is a Bufab product in the C-Parts range.
- Is a datasheet available for 145838040181?
- Yes — the 145838040181 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 145838040181?
- The minimum order quantity is 1.
- Is 145838040181 available?
- Yes — 145838040181 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).