1-3/8"-6 UNC Carbon Steel Tap Set BoltsandNuts.com They are made from M42

They are made from M42 8% cobalt and are manufactured to NAS 965 Type "D" specifications

these end mills provide excellent cutting performance and longevity across a wide range of materials

Part Number DWDST39/64

Cobalt Drill Bits are effective in drilling tough

an alloy that offers toughness

1-3/8"-6 UNC Carbon Steel Tap Set BoltsandNuts.com They are made from M42Product 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 DWTS1 3 8 6