OSG Spiral Point Tap: #4-40 UNC, H3 / 2B-3B, 2 Flute
SKU 3G-OTH-223909
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Frequently Asked Questions
What is the OSG spiral point tap #4-40 UNC used for?
The OSG spiral point tap #4-40 UNC is designed for threading blind or through holes in steel and stainless steel. Its spiral point design pushes chips forward, reducing chip clogging and improving thread quality. It is commonly used in automotive, aerospace, and general manufacturing applications.
What are the specifications of the OSG spiral point tap #4-40 UNC?
The OSG spiral point tap has a #4-40 UNC thread size, H3 / 2B-3B tolerance class, 2 flute design, and plug chamfer. The manufacturer part number is 1734801. It is intended for threading steel and stainless steel materials, providing precise and reliable thread formation.
Where to buy OSG spiral point taps worldwide?
You can source OSG spiral point taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this OSG tap model 1734801.
How to select the correct OSG spiral point tap for steel?
To select the correct OSG spiral point tap for steel, match the thread size (e.g., #4-40 UNC) and tolerance class (H3 / 2B-3B) to your application. Ensure the tap is designed for steel and stainless steel. OSG taps are known for durability and precision in demanding threading operations.
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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.














