m10 x 1.5 HSS 4 Flute Bottoming Tap Quantity:1 and the oiled internal spring

and the oiled internal spring is made of 1065 spring steel

Part Number: 100C300HCSSS/316

The ball peen concentrates force at a small point of impact

Part Number T/A55027

Flute Length: 1-3/4"

m10 x 1.5 HSS 4 Flute Bottoming Tap Quantity:1 and the oiled internal springProduct Description High Speed Steel Hand Taps are used to make new threads or re thread damaged and or jammed threads. Hand Taps are the most versatile taps for hand use and they are popular for use in general machine tapping. Appropriate for tapping the vast majority of materials in through or blind holed conditions. Hand Taps come in three styles Taper, Plug or Bottoming Taper Style: Starts the thread square with the workpiece. Plug Style: