OSG Spiral Flute Tap: 1 3/8"-12 UNF, H8 / 2B-3B, 4 Flute
The OSG Spiral Flute Tap (1 3/8"-12 UNF, MPN 1650507908) is a 4-flute, modified bottoming chamfer tap with H8 / 2B-3B tolerance, designed for threading steel and stainless steel. 3G Electric interprets your demand…
SKU 3G-OTH-217933
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 (1 3/8"-12 UNF, MPN 1650507908) is a 4-flute, modified bottoming chamfer tap with H8 / 2B-3B tolerance, designed for threading steel and stainless steel. 3G Electric interprets your demand for this OEM-specified tool, sourcing it across 14 industrial departments — with specialist depth in combustion, pumps and controls as a trust anchor — to deliver the exact technical solution you need.
Frequently Asked Questions
What is the OSG spiral flute tap 1 3/8"-12 UNF used for?
This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its modified bottoming chamfer and 4-flute design efficiently evacuate chips upward, making it ideal for high-quality internal threads in demanding industrial applications.
What are the specifications of the OSG 1650507908 tap?
The OSG spiral flute tap has a thread size of 1 3/8"-12 UNF, with a H8 / 2B-3B tolerance class. It features 4 flutes and a modified bottoming chamfer. The manufacturer part number is 1650507908, and it is designed for steel and stainless steel.
Where to buy OSG taps like 1650507908 worldwide?
3G Electric supplies OSG taps including the 1650507908 model to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this and other OSG threading tools.
How to select the right spiral flute tap for steel?
For steel and stainless steel, choose a spiral flute tap with a modified bottoming chamfer like this OSG model to manage chip evacuation in blind holes. Match the thread size (e.g., 1 3/8"-12 UNF) and tolerance class (H8 / 2B-3B) to your application requirements for optimal thread quality.
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.
