OSG Spiral Flute Tap: #3-48 UNC, H2 / 2B-3B, 2 Flute
SKU 3G-OTH-218880
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Frequently Asked Questions
What is OSG spiral flute tap #3-48 UNC used for?
OSG spiral flute taps are designed for threading blind holes in steel and stainless steel. The #3-48 UNC size with bottoming chamfer allows threading close to the hole bottom, while the 2-flute design efficiently evacuates chips upward, preventing clogging.
What are the specifications of OSG spiral flute tap 0135508?
This OSG tap is #3-48 UNC thread size, with H2 / 2B-3B tolerance class, 2 flutes, and a bottoming chamfer. It is designed for threading blind holes in steel and stainless steel. The manufacturer part number is 0135508.
Where to buy OSG spiral flute tap #3-48 UNC worldwide?
3G Electric supplies OSG spiral flute taps like the #3-48 UNC (0135508) to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this precision threading tool.
How to select the right spiral flute tap for steel?
For threading blind holes in steel, choose a spiral flute tap with a bottoming chamfer to reach the hole bottom. Match the thread size (e.g., #3-48 UNC) and tolerance class (e.g., H2 / 2B-3B) to your application. OSG taps are a reliable choice for consistent thread quality.
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3G Electric supplies OSG spiral-flute taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















