Thumb Screw  DIN,BS,ANSI                                                                                               

1.Standard: DIN                                                                                     
   Specification: M4x10 ~ M10x100                                                                                                 2.Standard: BS     
   Specification: 5/32x3/8 ~ 3/8x4                                                                                          3.Standard: ANSI   
   Specification: No 8x3/8 ~ 3/8x4                                                                                                  Material: Iron, copper, stainless steel and so on are available.