#4-40 UNC Carbon Steel Bottoming Tap

Product Description
Carbon steel taps are used to re-thread damaged and or jammed threads. They may also be used to thread mild steels. Hand Taps come in three styles Taper, Plug or Bottoming. Taper Style: Starts the thread square with the workpiece. Plug Style: Generally used in thru holes. Bottom Style: Generate the thread to the bottom of the hole. A tap set contains 1 taper, 1 plug and 1 bottoming tap.

Brand Drill America
Part Number DWTB4-40
Size #4-40
Material Carbon Steel
Type Bottoming
Finish Uncoated (Bright)
Number of Flutes 2
Length 1-7/8"
Shank Type Square
Tap Drill Size #43
Thread Standard UNC