OSG Spiral Flute Tap: 1/2"-13 UNC, H7 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (1/2"-13 UNC, MPN 2942501) is a general-purpose spiral-flute tap with an H7 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. 3G Electric interprets demand and delivers this…
SKU 3G-OTH-230632
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 (1/2"-13 UNC, MPN 2942501) is a general-purpose spiral-flute tap with an H7 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments — with specialist depth in combustion, pumps, and controls as an authorised distributor.
Frequently Asked Questions
What is the OSG spiral flute tap 1/2"-13 UNC used for?
This OSG spiral flute tap is designed for threading blind holes in ferrous and non-ferrous materials. Its modified bottoming chamfer and 3-flute design efficiently evacuate chips upward, making it ideal for general-purpose tapping in machining, automotive, and industrial maintenance applications.
What are the specifications of the OSG tap MPN 2942501?
The OSG spiral flute tap MPN 2942501 has a 1/2"-13 UNC thread, H7 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is a general-purpose tap suitable for producing threads to Class 2B or 3B fit in blind holes.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps like the 1/2"-13 UNC spiral flute tap (MPN 2942501) to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this and other OSG threading tools.
How to select the right OSG spiral flute tap for blind holes?
For blind holes, choose a spiral flute tap with a modified bottoming chamfer, like this OSG 1/2"-13 UNC tap. The spiral flutes pull chips upward, preventing packing at the hole bottom. Match the tap tolerance (H7 / 2B-3B) to your required thread class and material hardness.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG general purpose spiral-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
