OSG Screw Thread Insert STI Tap: Spiral Fute, #4-40 UNC, H2 / 2B-3B
SKU 3G-OTH-262364
- 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 an OSG spiral-flute STI tap used for?
An OSG spiral-flute STI tap is used to cut internal threads in aluminum for screw thread inserts. It is designed for through-hole applications, with spiral flutes that evacuate chips upward, preventing clogging and ensuring clean threads in softer materials like aluminum.
What are the specifications of the OSG #4-40 UNC STI tap?
The OSG screw thread insert STI tap has a #4-40 UNC thread size, H2 / 2B-3B tolerance, 2-flute spiral-flute design, and manufacturer part number 1303900200. It is specifically engineered for tapping aluminum to accept STI inserts, ensuring precise thread fit.
Where to buy OSG STI taps in worldwide?
You can source OSG STI 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 1303900200 tap.
How to select the correct STI tap for aluminum?
Select an STI tap with the same thread size and pitch as the insert, such as #4-40 UNC. Use a spiral-flute design for through holes in aluminum to improve chip evacuation. The H2 / 2B-3B tolerance ensures proper thread fit for the insert. OSG taps are a reliable choice for this application.
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3G Electric memasok OSG spiral-flute sti taps for aluminum. Kami menyediakan produk asli dengan ketersediaan tersedia di gudang untuk SKU umum, dokumentasi teknis, dukungan commissioning, dan layanan garansi — di seluruh dunia.















