OSG Spiral Point Tap: #4-40 UNC, H2 / 2B-3B, 2 Flute
SKU 3G-OTH-223906
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Frequently Asked Questions
What is OSG spiral point tap #4-40 UNC used for?
OSG spiral point taps are designed for threading through-holes in steel and stainless steel. The #4-40 UNC size with plug chamfer and 2-flute design pushes chips forward, making it ideal for production tapping in automotive, aerospace, and general manufacturing applications.
What are the specifications of OSG tap 1730005?
The OSG spiral point tap MPN 1730005 is #4-40 UNC thread size, H2 / 2B-3B tolerance, with 2 flutes and a plug chamfer. It is designed for tapping steel and stainless steel, providing reliable chip evacuation and thread accuracy in through-hole applications.
Where to buy OSG spiral point tap #4-40 UNC worldwide?
3G Electric supplies OSG spiral point taps like the #4-40 UNC (MPN 1730005) to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility, ensuring you receive genuine OSG cutting tools for your threading operations.
How to select the right spiral point tap for steel?
For steel and stainless steel, choose a spiral point tap with a plug chamfer and H2 tolerance for through-holes. Match thread size (e.g., #4-40 UNC) and flute count to material hardness. OSG taps like the 1730005 are engineered for chip control and long tool life in production environments.
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3G Electric supplies OSG spiral-point taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














