塞规螺纹0.750.5¥30去看看清馨精密机电发布了螺纹环规M62m63M65M66M67M69X0.5X0.75X1X1.5X2X3*4通止塞规 牙规螺纹塞规英制PT¥600去看看清馨精密机电发布了PT螺纹塞规 PT1/8 1/4 PT 1/2-14螺纹环规 英制55度管螺纹通止规塞规螺纹0.751.5¥30去看看清馨精密机电发布了螺纹环规M125M130M135M140X0.5X0.75X1X1.5X2X3X4X6通止/塞规牙规塞规螺纹0.750.5¥30去看看清馨精密机电发布了螺纹环规M70M71M73m74M75M77X0.5X0.75X1X1.5X2X3*4通止 塞规牙规塞规螺纹M101108¥30去看看清馨精密机电发布了螺纹环规M101 102 103 104 106 107 108X1X1.5X2X3X4通止塞规牙规塞规螺纹0.750.5¥30去看看清馨精密机电发布了螺纹环规M54m55M57M58M59M61X0.5X0.75X1X1.5X2X3*4塞规通止 牙规塞规螺纹0.750.5¥50去看看清馨精密机电发布了螺纹环规39m42M45M48M52M56M60X0.5X0.75X1X1.5X2X3X4通止牙/塞规塞规螺纹0.751.5¥50去看看清馨精密机电发布了螺纹环规M64M68M72M76m80M85M90M95X0.75X1X1.5X2X3X4通止牙 塞规塞规螺纹0.751.5¥30去看看清馨精密机电发布了螺纹环规M4M5M6M8M10M12M14M16M18X0.5X0.75X1X1.5X2塞规通止牙规塞规螺纹0.750.5¥20去看看清馨精密机电发布了螺纹环规M20M22m24M27M30M33M36X0.5X0.75X1X1.5X2X3*4通止牙塞规塞规螺纹1901.5¥30去看看清馨精密机电发布了螺纹环规M145M150M155M160M170M180M190M200X4X3X2X1.5通止牙塞规塞规0.750.51.5¥30去看看清馨精密机电发布了环规M23m25M26M28M29M31M32M34M35X0.5X0.75X1X1.5X2X3通止牙塞规塞规螺纹左牙0.75¥30去看看清馨精密机电发布了M87x4/x3/x2/1.5/x1/x0.75/x0.5 6g 6H螺纹环规/塞规/通止规/左牙塞规螺纹左牙0.75¥30去看看清馨精密机电发布了M57x4/x3/x2/1.5/x1/x0.75/x0.5 6g 6H螺纹环规/塞规/通止规/左牙