CHICAGO-LATROBE Straight Flute Tap: 3/8"-16 UNC, H3 / 2B, 4 Flute, Plug Chamfer, LH (MPN 317631)
3G Electric interprets demand and delivers the CHICAGO-LATROBE Straight Flute Tap, a left-hand thread tap in 3/8"-16 UNC with H3 / 2B tolerance, 4 flutes, and plug chamfer (MPN 317631). We source this across 14…
SKU 3G-OTH-265143
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Product Description
3G Electric interprets demand and delivers the CHICAGO-LATROBE Straight Flute Tap, a left-hand thread tap in 3/8"-16 UNC with H3 / 2B tolerance, 4 flutes, and plug chamfer (MPN 317631). We source this across 14 industrial departments — and far more — with specialist depth in combustion, pumps, and controls as a trust anchor.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the CHICAGO-LATROBE Straight Flute Tap 317631 used for?
This left-hand thread tap is used for cutting internal UNC threads in metalwork and maintenance applications. It is designed for through-hole threading where a left-hand thread is required, commonly in automotive, machinery repair, and industrial assembly.
What are the specifications of the CHICAGO-LATROBE 317631 tap?
The CHICAGO-LATROBE Straight Flute Tap has a 3/8"-16 UNC thread size, H3 / 2B tolerance, 4 flute design, plug chamfer, and left-hand rotation. The manufacturer part number is 317631. It is suitable for general-purpose threading in ferrous and non-ferrous materials.
Where to buy CHICAGO-LATROBE 317631 taps worldwide?
3G Electric supplies the CHICAGO-LATROBE 317631 Straight Flute Tap to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this item globally.
How to select the correct tap for left-hand threads?
For left-hand threads, ensure the tap is marked LH and matches the required thread size and pitch, such as 3/8"-16 UNC. Choose a plug chamfer for through holes and a bottoming chamfer for blind holes. CHICAGO-LATROBE taps are a reliable choice for precision threading.
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3G Electric supplies CHICAGO-LATROBE left-hand thread taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













