Precise H.S.S. +.005″ Oversized Plug Hand Tap, 1/4″-28 Thread Size

• H.S.S. – High Speed Steel
• Hardness: 58 to 60 RC
• Finish Coating: Bright
• Used where item will be plated after tapping or to allow for shrinking after heat treatment.
• H Limit: H11, which is .005″ over the standard pitch diameter
• Cutting Direction: Right Hand
• Flute Shape: Straight Flute
• Chamfer: Plug
• Size Type: ANSI
• Series: F10
• Workpiece Material Range: Steel, Non-Ferrous, Cast Iron, Plastics