OSG Spiral Flute Tap: 7/8"-9 UNC, H6 / 2B-3B, 4 Flute
The OSG Spiral Flute Tap (7/8"-9 UNC, MPN 1650504808) is a 4-flute tap with a modified bottoming chamfer and H6 / 2B-3B tolerance class, designed for threading steel and stainless steel. 3G Electric interprets this…
SKU 3G-OTH-218674
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The OSG Spiral Flute Tap (7/8"-9 UNC, MPN 1650504808) is a 4-flute tap with a modified bottoming chamfer and H6 / 2B-3B tolerance class, designed for threading steel and stainless steel. 3G Electric interprets this demand and sources the genuine OSG product, backed by our specialist expertise across 14 industrial departments — including cutting tools — to ensure you get the right solution.
Frequently Asked Questions
What is an OSG spiral flute tap used for?
An OSG spiral flute tap is used for threading blind holes in steel and stainless steel. Its spiral flute design pulls chips upward and out of the hole, preventing chip clogging and ensuring clean threads. This makes it ideal for production tapping in automotive, aerospace, and general manufacturing applications.
What are the specifications of the OSG 7/8"-9 UNC spiral flute tap?
This OSG tap has a 7/8"-9 UNC thread size, H6 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer. It is designed for threading blind holes in steel and stainless steel. The manufacturer part number is 1650504808.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the OSG 7/8"-9 UNC spiral flute tap (MPN 1650504808).
How to select the right spiral flute tap for steel?
Select a spiral flute tap based on thread size, pitch, and hole type. For blind holes in steel, choose a tap with a modified bottoming chamfer to thread close to the hole bottom. Ensure the tap tolerance (e.g., H6) matches the required thread class (e.g., 2B-3B). OSG taps are a reliable choice for these applications.
Used in
Common applications for OSGOSG Products
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.
