Secure the heavy duty lock plates in your doors with four three-inch screws.

确认重型锁片以及4个3英寸螺丝置于门中。

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Double set-screws standard with all bore sizes 1/2 inch and over.

双调节螺钉，尺寸在1/2英寸以上。是一款您理想的选择材料。

youdao

Double set-screws standard with all bore sizes 1/2 inch and over.

双调节螺钉，尺寸在1/2英寸以上。是一款您理想的选择材料。

youdao