Female Brake Nuts Imperial 3/8″ UNF x 16mm – Short – 50 Pack £20.22 Female Brake Nuts Imperial 3/8" UNF x 16mm – Short - 50 Pack quantity Add to cart Description Reviews () Description Ø x TPI 3/8″ UNF x 24 TPI Length : 16mm For 3/16″ pipe. Pack of : 50 Related products Add to cart Male Brake Nuts 1/2″ UNF x 15.8mm – Short Full Thread – 50 Pack £19.22 Add to cart Female Brake Nuts Metric M10 x 1.00mm x 15.5mm – 50 Pack £13.95 Add to cart Male Brake Nuts Imperial 3/8″ UNF x 20.5mm – Long Part Thread – 50 Pack £12.45 Add to cart Female Brake Nuts Metric M12 x 1.00mm x 21.5mm – 25 Pack £17.90