Ex: 1/8 x 0.50 -PPB: 1 minute Screw x 0.50 "long, PPBEx: 5/16 x 0.50 -PPB = 2.5 / 8 x 0.50-PPB: 2 and a half Screw x 0.50" long, PPBEx: 5 / 32 x 0.50 -PPB = 1.25 / 8 x 0.50-PPB: 1 minute 2% half screw x 0.50 "long stainless steel shaft with a ring, PPBEx: 1/4 x 0.50-PPB = 2/8 x 0.50-PPB: 2 min Screw x 0.50 "long, PPB Note: sometimes labeled coarse or fine tooth stainless steel screws, stainless steel plug, stainless steel bolts, screws 316. 316 flat pad UNF: fine teeth: the electronics industry is more commonly used stainless steel cotter pin, stainless steel Gasket UNC:. Coarse teeth: heavy mechanical structures more commonly .Ex: 3/8 x 0.50, UNF -PPB: 3 minutes fine screw inch pitch is represented by the number of teeth per inch containing the caliper set at 25.4 mm Jining stainless steel shaft with a ring, put a foot aligned threaded cusp tip, the other: x 0.50 "long, PPB.C-2: Length Code. foot tip such as alignment of the thread is pointed inch thread Liaocheng stainless steel shaft with a ring, such as missing cusp thread should be metric thread. stainless steel screws, stainless steel nuts, stainless steel adapter. stainless steel micro screws, stainless steel combination screws, stainless steel U-type bolts, stainless steel stud 304 screws, 304 screws, screw 316, 316L bolts measuring thread pitch is best to print sharp fall in the white chalk, chalk printed on relatively clear, easy to measure. measurement period should be measured in metric pitch length, such as 10,15,20, mm, etc., count the number of teeth containing pitch is calculated using a predetermined thread size in inches for inch thread Yantai stainless steel shaft with a ring, such as:. G1 'metric millimeters provisions thread size of metric threads, such as:.. M30 inch 1 inch (2.54 cm) have to decide within the number of teeth, usually 55 degrees metric is two cusp spacing is the number of MM to set the pitch, generally. 60 degrees Jinan stainless steel shaft with a ring, stainless steel shaft with a ring, Jinan Road ground is provided by Jinan Daoqin Trading Company Jinan Daoqin Trading Company (www.daoqinshangmao.com) (www.daoqinshangmao.com) strength , credible, in Jinan, Shandong hardware accessories industry has accumulated a large number of loyal customers. The company better work attitude and continuously improve innovative ideas will lead Jinan Road ground and you hand in hand into the brilliant, for a better future!