Marked in inches, shall be multiplied by 25.40 conversion is mm. With a buckle gauge the amount of Zibo stainless steel shaft with a ring, and the metric is a metric thread tooth stapler, is consistent with inch thread inch thread. You can also use calipers amount of thread diameter, and pitch. Metric thread diameter is millimeters, and so on as 6,8,10,12,18,20 mm pitch is in millimeters, as 0.5,0.75,1,1.5,2,3, etc. inch threaded outer diameter in inches as a unit, (equal to 25.4 mm per inch) as 3 / 16,5 / 8,1 / 4,1 / 2, and so on so that the outer diameter of metric calipers often with irregular readings decimal. Stainless steel screws, stainless steel bolts Tai'an stainless steel shaft with a ring, stainless steel shaft with a ring cotter pins, screws 304 316 316 screw screw kind folding Edit this paragraph Qingdao wood screws stainless steel shaft with a ring, machine screws; but according to different purposes also It can be divided into many categories; the machine screw type, can be divided into longitudinal and transverse expansion screw fastening screws; thread can also be divided according to: A: triangular thread (60 degrees): binding / lock / expansion B: Pipe Triangle threads (55 degrees): binding / lock 3) C: trapezoidal thread (30 or 29 degrees): Power D: square thread (90 degrees): stainless steel hexagonal screws in the power transmission, 304 stainless steel screws, stainless steel 316 screws, stainless steel combination of screws, stainless steel blind rivets, screws 316 stainless steel flange screws Weifang stainless steel Shaft Collar Shaft Collar _ _ Jinan Road ground is provided by Jinan Daoqin Trading Company. Jinan Daoqin Trading Company (www.daoqinshangmao.com) (www.daoqinshangmao.com) strong, credible, in Jinan, Shandong hardware accessories industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Jinan Road ground into the brilliant and you work for a better future!