GUH 9028830222250 7/8 Cobalt Machine Tap 9 TPI Steam Oxide

• 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 9028830222250 7/8-9 in Size | UNC | 4 Flute | 2B | Steam Oxide | Spiral Point Tap