OSG Extension Tap: 3/4"-10 UNC, H3 / 2B-3B, 4 Flute, Plug Chamfer
The OSG Extension Tap (3/4"-10 UNC, MPN 1293601) is a pulley tap with a plug chamfer, black oxide high-speed steel construction, and 4 flutes. It is specified as H3 / 2B-3B for thread class tolerance.
SKU 3G-OTH-308155
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 Extension Tap (3/4"-10 UNC, MPN 1293601) is a pulley tap with a plug chamfer, black oxide high-speed steel construction, and 4 flutes. It is specified as H3 / 2B-3B for thread class tolerance.
Frequently Asked Questions
What is an OSG extension tap used for?
An OSG extension tap is used to cut internal threads in hard-to-reach or deep-hole applications. It is commonly employed in automotive, aerospace, and general manufacturing for threading blind or through holes where standard taps cannot reach. The 3/4"-10 UNC size suits heavy-duty fastening in steel and cast iron.
What are the specifications of the OSG extension tap 1293601?
The OSG extension tap 1293601 is a 3/4"-10 UNC pulley tap with a plug chamfer and 4 flutes. It is made from black oxide high-speed steel with an H3 / 2B-3B tolerance class. This design provides good wear resistance and chip evacuation for threading in deep or obstructed locations.
Where to buy OSG extension taps worldwide?
You can source OSG extension taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on the OSG 1293601 or other pulley taps.
How to select the correct OSG extension tap for a job?
To select the correct OSG extension tap, match the thread size (3/4"-10 UNC), chamfer type (plug for blind holes), and material (black oxide HSS for steel). Confirm the tolerance class (H3 / 2B-3B) fits your thread fit requirement. For deep holes, ensure the tap length reaches the depth without excessive extension.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG pulley taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
