Female Brake Nuts Imperial 3/8″ UNF x 17.5mm – Long – 50 Pack £18.22 Female Brake Nuts Imperial 3/8″ UNF x 17.5mm – Long - 50 Pack quantity Add to cart Description Reviews () Description Ø x TPI 3/8″ UNF x 24 TPI Length 17.5mm For 3/16″ pipe. Pack of : 50 Related products Add to cart Male Brake Nuts 1/2″ UNF x 17mm – Part Thread – 25 Pack £19.40 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″ BSF x 23.5mm – Long Part Thread – 50 Pack £15.42 Add to cart Male Brake Nuts 7/16″ UNF x 22.7mm – Part Thread – 50 Pack £26.25