OSG 9/16"-12 UNC Spiral-Flute Tap
The OSG Spiral Flute Tap (9/16"-12 UNC, MPN 1645096123) is a 3-flute, modified bottoming chamfer tap with H3 / 2B-3B tolerance, designed for threading steel and stainless steel. 3G Electric interprets your demand for…
SKU 3G-OTH-218601
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The OSG Spiral Flute Tap (9/16"-12 UNC, MPN 1645096123) is a 3-flute, modified bottoming chamfer tap with H3 / 2B-3B tolerance, designed for threading steel and stainless steel. 3G Electric interprets your demand for this specific OEM tool, sources it across our 14 industrial departments, and supports your application with specialist expertise in controls and pumps.
Frequently Asked Questions
What is the OSG spiral flute tap 9/16"-12 UNC used for?
This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward, preventing clogging. The modified bottoming chamfer allows threading close to the bottom of the hole, making it ideal for production tapping in automotive, aerospace, and general manufacturing.
What are the specifications of the OSG 1645096123 tap?
The OSG 1645096123 is a 9/16"-12 UNC spiral flute tap with 3 flutes and a modified bottoming chamfer. It has an H3 / 2B-3B tolerance class, meaning it produces threads within a 2B (internal) to 3B (external) fit range. It is designed for threading steel and stainless steel in blind hole applications.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG 1645096123 spiral flute tap. We source and deliver genuine OSG tooling to support your production needs.
How to select the right OSG tap for blind holes?
For blind holes in steel or stainless steel, choose a spiral flute tap like this OSG model. The spiral flutes pull chips out of the hole, preventing breakage. Ensure the chamfer type matches your thread depth requirement: a modified bottoming chamfer allows threading close to the hole bottom. Always match the tap tolerance (H3) to your desired thread class (2B-3B).
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.
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Compatible alternatives & equivalents
- OSG Spiral-flute tap for threading blind holes in steel and stainless steel. Features a modified bottoming chamfer and 4 flutes for upward chip evacuation. Tolerance H6 / 2B-3B. Thread size 7/8"-9 UNC
- OSG OSG Spiral Flute Tap: 7/16"-14 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1733205)
