GUH 9028850063500 1/4 Cobalt Machine Tap 28 TPI

• Plug chamfers are the most commonly used chamfer and are designed for efficiently threading through and blind holes. They have 3 to 5 threads
• Oxide, also known as black oxide or steam oxide, is a surface treatment that prevents chip building, galling andwelding on the workpiece. It is commonly used on low carbons, stainless steel and ferrous metals
• Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.

Guhring 9028850063500 1/4-28 in Size | UNF | 3 Flute | 2B | Steam Oxide | Spiral Point Tap