金属针针头规格

型号                    内径                       外径

BMN-12G                2.27                         2.72

BMN-13G                1.94                         2.40

BMN-14G                1.64                         2.10

BMN-15G                1.43                         1.83

BMN-16G                1.25                         1.65

BMN-17G                1.11                         1.49

BMN-18G                0.92                         1.28

BMN-19G                0.72                         1.08

BMN-20G                0.61                         0.91

BMN-21G                0.52                         0.82

BMN-22G                0.42                         0.72

BMN-23G                0.34                         0.64

BMN-24G                0.26                         0.52

BMN-25G                0.24                         0.46

BMN-26G                0.21                         0.42

BMN-27G                0.18                         0.36