Unified threads comes in three different classes: UNC threads according ANSI B1.1: Pitch is the distance between screw grooves and is commonly used with inch sized products and specified …

3 - 4 UNC : Basic Thread Dimensions (Pitch, minor & major diameters, depth, lead), Tolerance range for all applicable classes and much more

3/4-10UNC就是 英制螺纹 的标准代号。 它表示英制螺纹，统一牙，粗牙，大径3/4，每英寸10牙。 在圆柱或圆锥母体表面上制出的 螺旋线 形的、具有特定截面的连续凸起部分。 螺纹按其母体 …

2016年5月16日 · UNC = Unified National Coarse Screw Thread. This is one of three graded series: UNC (Unified National Corase); UNF (Unified National Fine); and UNEF (Unified …

Industrial Press Inc. UNC - Unified Coarse Thread chart defines major diameter, pitch diameter and minor diameter of unified inch thread according to ASME standard.

1.底孔直径指攻丝前钻孔直径，铸铁、黄铜等较软料取小值，钢、青铜等较硬料取大值。 1.螺胚直径指滚丝前的尺寸，数值为依经验公式计算而得，在实践中需验证。

Thread series cover designations of diameter/pitch combinations that are measured by the number of threads per inch (TPI) applied to a single diameter. Coarse Thread Series …

UNC是英文Unified National Coarse的缩写，是统一螺纹粗牙系列。 粗牙的看起来牙形大，单位长度上的牙齿少，细牙牙形细小，单位长度上的牙齿多。 粗牙螺纹和细牙螺纹的区别是螺距大 …

首页 产品与标准 AS /NZS 2465 - 1999 (R2016) 美制六角螺栓 - UNC, UNF ... 3/4 . 7/8 . 1 . 1-1/8 . 1-1/4 . 1-3/8 . 1-1/2 . 尺寸单位: inch . 3D展示. 扫一扫分享: 单重计算 公差 美制螺纹极限尺寸 …

在英寸制国家广泛采用，该类螺纹分三个系列：粗牙系列UNC，细牙系列 UNF，特细牙系列 UNFF，外加一个定螺距系列UN。 第一位数字3/8表示螺纹外径，单位为英寸，转换为米制单 …