•Disassemble the damaged oil drain screw.
•Choose a tap.
•For example, if the original diameter of oil drain hole is M14, then operator needs a M15 tap.
•Use a tool operating the tap to enlarge the diameter of oil drain hold.
•Take a washer through the new oil drain plug and then insert a new oil drain plug.
•Tap Material: SKS3.
•Oil Drain Plug Material: 1015.
•Washer Material: Copper.
•Step 1: Choose a suitable tap. Ex. M14 x 1.5P hole --- M15 x 1.5P tap.
•Step 2: Work the tap to enlarge the hole thread.
•Step 3: Place a washer on new oil drain nut and install the new one into renewed hole.

•Disassemble the damaged oil drain screw.
•Choose a tap.
•For example, if the original diameter of oil drain hole is M14, then operator needs a M15 tap.
•Use a tool operating the tap to enlarge the diameter of oil drain hold.
•Take a washer through the new oil drain plug and then insert a new oil drain plug.
•Tap Material: SKS3.
•Oil Drain Plug Material: 1015.
•Washer Material: Copper.
•Step 1: Choose a suitable tap. Ex. M14 x 1.5P hole --- M15 x 1.5P tap.
•Step 2: Work the tap to enlarge the hole thread.
•Step 3: Place a washer on new oil drain nut and install the new one into renewed hole.