最高のコレクション 1/4-20 unc threads 668044-What is 1/4-20 unc
Thread series designation (UN, UNC, UNF, UNEF, UNS) The thread series is generally relative to the outside diameter of the screw threads per inch on a 1/4" diameter screw is considered coarse 1/4 UNC On a 3/4" diameter screw, threads per inch is considered extrafine 3/4 UNEFA simple camera tripod screw with printed thread Stable enough for compact and DSLR Cameras with small LensesExternal Thread Dimensions for Unified UNC Screw Threads Diameter Pitch TPI Thread Fit Class Major Diameter Pitch Diameter Minor Diameter Stress Area Max Min Max Min Max Min in² No 1 64 2A No 2 56 2A Gibraltar 1 4 Unc Thread Black Oxide Finish Steel Round Knurled Check Nut Msc Industrial Supply What is 1/4-20 unc