
1/2"-12
(Eg: 4#-40 x 1/4=Thread Dia.(Inch) - Pitch x Length(Inch) Steel
,Black, Grade 12.9 Partial / Full Thread The length of the screws is measured not including the head(For example: M5 x 8mm means thread diameter 5mm, screw length 8mm).
WE ALSO OFFER TRADE DISCOUNTS IF YOU ORDER BIG. PLEASE CONTACT WITH US
