OSG Screw Thread Insert STI Tap: Spiral Fute, 1/4"-20 UNC, H2 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap (MPN 0146008) is a spiral-flute tap for steel and stainless steel, sized 1/4"-20 UNC with a bottoming chamfer. It features 3 flutes and an H2 / 2B-3B tolerance class, designed for…
SKU 3G-OTH-244382
- 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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Deskripsi Produk
The OSG Screw Thread Insert STI Tap (MPN 0146008) is a spiral-flute tap for steel and stainless steel, sized 1/4"-20 UNC with a bottoming chamfer. It features 3 flutes and an H2 / 2B-3B tolerance class, designed for threading holes to accept screw thread inserts.
Supplied to Indonesia — compatible with 50 Hz installations. DHL Express delivery to Jakarta, Surabaya, Bandung, customs and duties handled door-to-door.
Pertanyaan yang Sering Diajukan
What is an OSG spiral-flute STI tap used for?
An OSG spiral-flute STI tap is used to cut internal threads in steel and stainless steel for screw thread inserts. It creates threads that accept helical coil inserts, providing stronger threads in softer materials. The spiral flute design evacuates chips upward, making it ideal for blind-hole applications.
What are the specifications of the OSG 0146008 STI tap?
The OSG 0146008 STI tap has a thread size of 1/4"-20 UNC, a thread class of H2 / 2B-3B, 3 flutes, and a bottoming chamfer. It is designed for tapping holes that will receive screw thread inserts in steel and stainless steel. The spiral flute design aids chip evacuation in blind holes.
Where to buy OSG taps in worldwide?
You can source OSG 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 0146008 spiral-flute STI tap.
How to select the correct STI tap for steel?
To select the correct STI tap for steel, match the tap thread size and pitch to the insert you will install. For steel, choose a spiral-flute design for blind holes or a spiral-point design for through holes. Ensure the tap has the correct thread class, such as H2 / 2B-3B, to achieve proper fit with the insert.
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3G Electric memasok OSG spiral-flute sti 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.















