CHICAGO-LATROBE Straight Flute Tap: 1/4"-20 UNC, H3 / 2B, 4 Flute, Plug Chamfer (MPN 330047)
SKU 3G-OTH-221556
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Frequently Asked Questions
What is the CHICAGO-LATROBE Straight Flute Tap 330047 used for?
This tap is used for cutting internal threads in metal, plastic, and composite materials. It is ideal for general-purpose hand tapping in maintenance, repair, and production environments. The 1/4"-20 UNC size and plug chamfer make it suitable for through-hole and blind-hole applications.
What are the specifications of the CHICAGO-LATROBE Straight Flute Tap 330047?
The CHICAGO-LATROBE Straight Flute Tap has a 1/4"-20 UNC thread size, H3 / 2B tolerance, 4 flutes, and a plug chamfer. The manufacturer part number is 330047. It is a general-purpose hand tap designed for precise threading in various materials.
Where to buy CHICAGO-LATROBE Straight Flute Tap 330047 worldwide?
You can source the CHICAGO-LATROBE Straight Flute Tap 330047 from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.
How to select the correct tap for a 1/4"-20 UNC thread?
Select a tap with the same thread size and pitch as the hole, such as the CHICAGO-LATROBE 330047. Use a plug chamfer for blind holes or a taper chamfer for through holes. Ensure the tap matches the material hardness and tolerance class (H3 / 2B) for proper fit.
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3G Electric supplies CHICAGO-LATROBE general purpose hand taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














