OSG Extension Tap: 1/4"-28 UNF, H3 / 2B-3B, 3 Flute
SKU 3G-OTH-315311
- 6–10 business days door-to-door; Bea Cukai clearance typically 3–5 business days.
- Invoicing in IDR or USD. Bank transfer and corporate PO accepted.
- Dikirim ke: Jakarta, Surabaya, Bandung, Medan, Batam
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What is the OSG extension tap 1/4-28 UNF used for?
The OSG extension tap is used for threading blind holes in steel and stainless steel. Its spiral-flute design evacuates chips upward, preventing clogging, while the modified bottoming chamfer allows threading close to the hole bottom. It is ideal for automotive, aerospace, and general manufacturing applications requiring precise UNF threads.
What are the specifications of the OSG extension tap MPN 1768301?
The OSG extension tap MPN 1768301 has a 1/4-28 UNF thread size, H3 / 2B-3B tolerance, and a 3-flute modified bottoming chamfer. It is designed for steel and stainless steel. The H3 pitch diameter tolerance ensures precise fit for 2B or 3B class threads. OSG is the OEM brand for this tool.
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 location. Contact us for availability and lead time. 3G Electric supplies genuine OSG cutting tools for international buyers.
How to select the correct OSG extension tap for stainless steel?
Select an OSG extension tap with spiral flutes and a modified bottoming chamfer for stainless steel. Ensure the thread size matches your application, such as 1/4-28 UNF. The H3 tolerance suits 2B or 3B thread classes. Use proper cutting fluid and rigid tapping equipment to prevent breakage and extend tool life.
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Aplikasi umum untuk OSGOSG Produk
3G Electric memasok OSG spiral-flute extension taps for steel & stainless steel. Kami menyediakan produk asli dengan ketersediaan tersedia di gudang untuk SKU umum, dokumentasi teknis, dukungan commissioning, dan layanan garansi — di seluruh dunia.















