BB Tool
3-Tooth Solid Carbide Thread Mill | UNC & UNF
3-Tooth Solid Carbide Thread Mill | UNC & UNF
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3-Tooth Solid Carbide Thread Mill for UNC & UNF Threads
Three-tooth solid carbide thread mill for CNC internal threading in UNC and UNF thread forms. The product includes multiple thread sizes and material/application variants.
How to Select
- Choose UNC or UNF according to the drawing.
- Confirm the exact nominal thread size and pitch/TPI.
- Choose the application/grade option that matches the workpiece material.
- Verify tool diameter and hole size before programming the thread-milling cycle.
Thread Size Note
Fractional markings such as 1/4 refer to inch thread sizes. Always confirm the full designation, such as 1/4-20 UNC or 1/4-28 UNF, before ordering.
BB Solid Carbide Thread Mills
Notation: 1-4 means 1/4 in.
Application:
BF2055/BC2055:
Copper alloy, 6 series 7 series aluminum, pure aluminum, die-cast aluminum, plastic, POM, acrylic, zinc alloy, etc.
BK2055:
General machining, steel,stainless steel, titanium alloy, etc.
BB2055:
A3 iron, 45 steel,die steel, bearing steel, hardened steel, cast iron,etc.
UNC / UNF Thread Sizes
Recommended Cutting Conditions
Application Examples
FAQ
Is this a tap?
No. It is a thread mill and requires a CNC toolpath to interpolate the thread.
Can one tool cut every UNC or UNF size?
No. Select the correct tool variant for the required thread size and pitch.
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