高级合金钢紧定螺钉,六角凹头。末端有杯形点,可产生正扭矩。是车间工具室或工具箱的便捷工具包。需要时随手可得,节省时间和金钱。塑料盒易于存放。Precision Brand® 200 件套装螺丝套件包括10 - 6-32 x 3/16″;10 - 8-32 x 3/16″;10 - 10-24 x 1/4″; 30 - 1/4″-20 x 1/4″; 20 - 1/4″-28 x 1/4″; 20 - 1/4″-20 x 3/8″;30 - 5/16″-18 x 3/8″;20 - 5/16″-24 x 3/8″;20 - 5/16″-18 x 1/2″; 10 - 3/8″-16 x 3/8″;10 - 3/8″-24 x 3/8″;10 - 3/8″-16 x 1/2″.
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