Image not available for this product
DIN 571 Hex Head Wood Lag Screw M8X40MM A4 (Box of 25)
Pricing
Request a quote
We reply within 24 hours
Product Description
Wurth 0157840 DIN 571 lag screw, A4 stainless (AISI 316). Used in general machinery assembly, structural steelwork and pressure-boundary flanged joints per DIN, ISO and ASME B18 dimensional standards. EN 10204 3.1 mill cert available on request.; Standards: ISO 3506-1, EN 10204, DIN standard, ISO parts; HS code: 7318.12.
Technical Specifications
- Material
- A4 Stainless Steel (AISI 316)
- Standard
- DIN 571
- Approval
- ISO 3506-1 (A2/A4 stainless)
Standards & Compliance
- Standard
- DIN 571
- Material
- A4 Stainless Steel (AISI 316)
- Classification / Approval
- ISO 3506-1 (A2/A4 stainless). EN 10204 3.1 mill cert available on request.
- HS Code
- 7318.12
Compatibility & Fitment
DIN standard fastener. Interchangeable with equivalent DIN/ISO parts from Bossard, Fabory, Wurth, Keller & Kalmbach.
Product Documentation
More from Wurth
Wurth
DIN 571 Hex Head Wood Lag Screw M8X60MM A4 (Box of 25)
0157860
Wurth
DIN 571 Hex Head Wood Lag Screw M8X80MM A4 (Box of 25)
0157880
Wurth
DIN 571 Hex Head Wood Lag Screw M10X50MM A4 (Box of 25)
01571050
Wurth
DIN 571 Hex Head Wood Lag Screw M10X70MM A4 (Box of 25)
01571070
Wurth
DIN 571 Hex Head Wood Lag Screw M10X100MM A4 (Box of 25)
015710100
Wurth
DIN 571 Hex Head Wood Lag Screw M12X60MM A4 (Box of 25)
01571260
Wurth
DIN 571 Hex Head Wood Lag Screw M12X80MM A4 (Box of 25)
01571280
Wurth
DIN 571 Hex Head Wood Lag Screw M12X120MM A4 (Box of 25)
015712120
Catalogue entry last verified: 2026-08-29. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 0157840?
- 0157840 can be ordered from cballast.com as a Wurth 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 Wurth product?
- The manufacturer part number is 0157840.
- What is the HS code for 0157840?
- The customs tariff (HS) code for 0157840 is 7318.12.
- Who manufactures 0157840?
- 0157840 is a Wurth product in the Fasteners & Hardware range.
- Is a datasheet available for 0157840?
- Yes — the 0157840 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 0157840?
- The minimum order quantity is 1.
- Is 0157840 available?
- Yes — 0157840 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).