日本工作机械工业会标准MAS -403 的拉钉则有型和型两种:型拉钉的拉紧面斜角为30,用于不带钢 球的拉紧装置;型拉钉的拉紧面斜角为45,用于带钢球的拉紧装置。使用 时应注意,这两种拉钉的头部长度比JIS 6339:1998标准的拉钉头部直径小, 颈部长度长,其代号为“PxxT”。 美国标准AMSE B5.50-1994 的拉钉只有一种型式,拉钉的拉紧面斜角为 visionYibin formation Centersurrounded organicdispersion band bead-spacelayout structure, leadingdevelopment Eastalong YangtzeRiver. Shi Gu area, lingang new vision expand,Naxi district Eastopen places expand,Jiang eastwardconnection, Ping Shan, radiation SouthBank area, minjiangRiver area, Golden Sands area long-termbasis reasonablespace develop,perfect urban district along YangtzeRiver Yibin"Ribbon multi-center" strategic vision spaceframe. Yibin Center City development construction steering extension type extended connotationtype upgrade simultaneously etroconstruction oldcity transformation builtdistrict perfect,through live reasonablelayout optimization city structure, improve city traffic operation efficiency; vigorously improved city environment, shaping city features, upgrade city quality, play city servicefunction, formed has perfect modern service capacity bigcity. Construction urbangreen space system, promoting peripheralgreen space historical45,且凸缘与螺纹之间无定心圆柱。