OSG #10-32 UNF Spiral-Point Extension Tap
The OSG Extension Tap (#10-32 UNF, MPN 1294701) is a spiral-point extension tap with a plug chamfer, made from black oxide high speed steel. It features 2 flutes and is rated H3 / 2B-3B for thread class compatibility.
SKU 3G-OTH-313605
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.
Need installation or engineering help?
Ask a question
Product Description
The OSG Extension Tap (#10-32 UNF, MPN 1294701) is a spiral-point extension tap with a plug chamfer, made from black oxide high speed steel. It features 2 flutes and is rated H3 / 2B-3B for thread class compatibility.
Frequently Asked Questions
What is the OSG #10-32 UNF extension tap used for?
The OSG #10-32 UNF extension tap is used for threading blind or through holes in hard-to-reach areas of metal components. Its extended length and spiral-point design push chips forward, making it ideal for automotive, aerospace, and general manufacturing applications where standard taps cannot reach.
What are the specifications of the OSG 1294701 extension tap?
The OSG 1294701 is a #10-32 UNF spiral-point extension tap with a plug chamfer, 2 flutes, and a H3 / 2B-3B tolerance class. It is made from black oxide high-speed steel for improved wear resistance and chip evacuation. This tap is designed for threading in steel, aluminum, and other common alloys.
Where to buy OSG extension taps in worldwide?
You can source OSG extension taps like the 1294701 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead times on this and other OSG threading tools.
How to select the correct OSG extension tap for a job?
To select the correct OSG extension tap, match the thread size (e.g., #10-32 UNF), chamfer type (plug for through holes), and flute count (2 for spiral-point) to your material and hole depth. The H3 / 2B-3B tolerance ensures proper fit. Always verify the tap's reach and coating (black oxide) for your workpiece hardness.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point extension taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
