These 5mm AF hexagonal female to female spacers have M4 tapped holes in both ends. * Body length: 20mm * Hole threaded depth: 10mm each end * Width across flats: 5mm * Material: brass to DIN 17660: Cu Zn 39 Pb 3 * Tensile Strength: 430 N/mm² Min. * Surface finish accords to DIN 267: nickel plated (G 3 E) * Material number: 2.0401 * Tolerance for length dimensions: ± 0.1 mm * Supplied in packs of 25 https://elecena.pl/product/27201197/r-tech-524425-hex-threaded-f-f-spacers-brass-m4-20mm-pack-of-25 2024-11-09 https://elecena.pl/product/27201197/r-tech-524425-hex-threaded-f-f-spacers-brass-m4-20mm-pack-of-25 2024-12-02 https://elecena.pl/product/27201197/r-tech-524425-hex-threaded-f-f-spacers-brass-m4-20mm-pack-of-25 2025-12-31 https://elecena.pl/product/27201197/r-tech-524425-hex-threaded-f-f-spacers-brass-m4-20mm-pack-of-25 2026-01-24 https://elecena.pl/product/27201197/r-tech-524425-hex-threaded-f-f-spacers-brass-m4-20mm-pack-of-25 2026-05-19 https://elecena.pl/product/27201197/r-tech-524425-hex-threaded-f-f-spacers-brass-m4-20mm-pack-of-25 2026-07-04