OSG 30102708 Spiral-Point STI Tap
The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, specified as 9/16"-12 UNC with an H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30102708).
SKU 3G-OTH-265379
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.
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Product Description
The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, specified as 9/16"-12 UNC with an H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30102708).
Frequently Asked Questions
What is an OSG Screw Thread Insert STI Tap used for?
An OSG Screw Thread Insert STI Tap cuts internal threads in steel and stainless steel to accept helical wire thread inserts. It is commonly used in automotive, aerospace, and heavy equipment repair where stripped threads must be restored to original strength without replacing the parent component.
What are the specifications of the OSG 30102708 STI Tap?
The OSG 30102708 is a spiral-point STI tap with 9/16"-12 UNC thread, H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for threading holes that will receive screw thread inserts in steel and stainless steel materials.
Where to buy OSG STI Taps in worldwide?
3G Electric supplies OSG STI Taps worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote on the OSG 30102708 or any other OSG threading tool. We source genuine industrial equipment across 14 departments.
How to select the correct STI tap size for a thread repair?
Select an STI tap that matches the original thread size and pitch, such as 9/16"-12 UNC. The tap must be marked for screw thread insert use, with a larger major diameter than a standard tap. Always verify the insert manufacturer's recommended drill size and tap tolerance class.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point sti taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
