Thread Size 1/4-28 UNF Thread Limit H3 Flutes 4 Thread Length 1″ OAL 2-1/2″

Interstate High Speed Steel Hand Tap
1/4-28 UNF, H3 Thread Limit, 4 Flutes

Bottoming Style

1/4-28 UNF H3 4-Flute Bright Finish High Speed Steel Straight Flute Standard Hand Tap, Bottoming Chamfer, Right Hand Thread, 2-1/2″ OAL, 1″ Thread Length, 3B

Features:

• HSS Ground Thread for Ferrous, Nonferrous and Nonmetallic Materials.
• These taps have one to two chamfered threads which enable them to thread closer to the bottom of a blind hole with full threads.
• Smaller sizes may have a point. (Male center) (1-2 Pitches).
• Bottoming chamfers are used for threading blind holes. They have 1 to 2 threads.
• High Speed Steel (HSS) provides good wear-resistance and can be used in general purpose applications for both ferrous and nonferrous materials.
• Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.

Specifications:

Tap Type Standard Hand Tap Thread Size (Inch) 1/4-28 Class of Fit 3B Thread Limit H3 Number of Flutes 4 Chamfer Bottoming Material High Speed Steel Finish/Coating Bright Thread Direction Right Hand Through Coolant NonThrough Coolant Thread Standard UNF Overall Length (Inch) 2-1/2 Oversize No Thread Length (Inch) 1

See all Interstate High Speed Steel Hand Taps