CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H3 / 2B, 3 Flute, Bottoming Chamfer (MPN 173051)
SKU 3G-OTH-216284
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Frequently Asked Questions
What is a Chicago-Latrobe spiral point tap used for?
A Chicago-Latrobe spiral point tap is used for threading blind or through holes in metal, directing chips forward to prevent clogging. It is ideal for production tapping in steel, aluminum, and cast iron across machining, automotive, and general manufacturing applications.
What are the specifications of the Chicago-Latrobe 173051 tap?
The Chicago-Latrobe 173051 is a 1/4"-20 UNC spiral point tap with H3 / 2B tolerance, 3 flutes, and a bottoming chamfer. It is designed for general purpose threading in blind holes, providing chip evacuation and thread accuracy in ferrous and non-ferrous materials.
Where to buy Chicago-Latrobe taps in worldwide?
3G Electric supplies Chicago-Latrobe taps worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner across 14 industrial departments, we provide genuine Chicago-Latrobe cutting tools and can quote for your specific thread size and material requirements.
How to select the right spiral point tap for threading?
Select a spiral point tap like the Chicago-Latrobe 173051 for through or blind holes where chips must push ahead. Match thread size (1/4"-20 UNC), chamfer type (bottoming for shallow holes), and tolerance class (H3) to your material and hole depth. Consult a cutting tool specialist for optimal performance.
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Common applications for CHICAGO-LATROBECHICAGO-LATROBE Products
3G Electric supplies CHICAGO-LATROBE general purpose spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















