OSG Spiral Point Tap: 1/4"-28 UNF, H3 / 2B-3B, 2 Flute, Bottoming Chamfer
The OSG Spiral Point Tap (1/4"-28 UNF) is a general-purpose spiral-point tap with a bottoming chamfer, made from high-speed steel. It features an H3 / 2B-3B tolerance class and a 2-flute design (MPN 1230500).
SKU 3G-OTH-215070
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 Point Tap (1/4"-28 UNF) is a general-purpose spiral-point tap with a bottoming chamfer, made from high-speed steel. It features an H3 / 2B-3B tolerance class and a 2-flute design (MPN 1230500).
Frequently Asked Questions
What is the OSG spiral point tap 1/4"-28 UNF used for?
The OSG spiral point tap is used for threading blind or through holes in metal, particularly in production environments. Its spiral point design pushes chips forward, reducing chip clogging. It is suitable for general-purpose tapping in materials like steel, aluminum, and cast iron.
What are the specifications of the OSG tap 1230500?
The OSG tap 1230500 is a 1/4"-28 UNF spiral point tap with H3 / 2B-3B tolerance, 2 flutes, and a bottoming chamfer. It is made of high-speed steel (HSS) and is designed for threading to Class 2B or 3B fit. The H3 limit ensures precise thread size control.
Where to buy OSG taps in worldwide?
You can source OSG 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 the OSG spiral point tap 1230500.
How to select the correct OSG tap for a threading job?
Select the OSG tap based on thread size (e.g., 1/4"-28 UNF), material (HSS for general use), chamfer type (bottoming for blind holes), and tolerance class (H3 for 2B/3B fit). For chip evacuation, spiral point taps are ideal for through holes. Consult OSG's technical data for specific material recommendations.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG general purpose spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
