Female Brake Nuts Metric M12 x 1.00mm x 21.5mm – 25 Pack £17.90 Female Brake Nuts Metric M12 x 1.00mm x 21.5mm - 25 Pack quantity Add to cart Description Reviews () Description Ø x Pitch M12 x 1.5 mm Length : 21.5mm For 3/16″ pipe. Pack of : 25 Related products Add to cart Male Brake Nuts 3/8″ UNF x 14.4mm – 50 Pack £21.80 Add to cart Female Brake Nuts Metric M10 x 1.00mm x 15.5mm – 50 Pack £13.95 Add to cart Male Brake Nuts 1/2″ UNF x 18mm – 50 Pack £24.24 Add to cart Male Brake Nuts Imperial 3/8″ UNF x 16mm – Short Full Thread – 50 Pack £14.25