OSG Screw Thread Insert STI Tap: Spiral Point, 1/2"-13 UNC, H4 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap for 1/2"-13 UNC threads, featuring an H4 / 2B-3B tolerance with a plug chamfer and 3 flutes (MPN 12500600). 3G Electric interprets this demand and sources the…
SKU 3G-OTH-286983
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 1/2"-13 UNC threads, featuring an H4 / 2B-3B tolerance with a plug chamfer and 3 flutes (MPN 12500600). 3G Electric interprets this demand and sources the genuine OSG tool, backed by specialist expertise across 14 industrial departments — including cutting tools — to ensure you get the right solution.
Frequently Asked Questions
What is the OSG Screw Thread Insert STI Tap used for?
The OSG Screw Thread Insert STI Tap is used to cut internal threads in metal or plastic for installing screw thread inserts (STI). It is commonly applied in aerospace, automotive, and industrial maintenance where stripped threads must be repaired or reinforced with a helical insert.
What are the specifications of the OSG 12500600 STI Tap?
The OSG 12500600 is a spiral-point STI tap with a 1/2"-13 UNC thread, H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for through-hole threading and produces a 2B or 3B class fit. The spiral-point geometry pushes chips forward for efficient cutting.
Where to buy OSG STI Taps worldwide?
OSG STI Taps are available to order through 3G Electric, a global industrial equipment distributor. We source and deliver this OSG tap worldwide, handling full logistics, customs clearance, and delivery to your facility. Contact 3G Electric for availability and lead time.
How to select the correct OSG STI Tap size?
To select the correct OSG STI Tap, match the tap thread size and pitch to the insert you plan to install. For example, the 12500600 is for 1/2"-13 UNC inserts. Verify the tap tolerance (H4 / 2B-3B) matches your required thread class. Always use a compatible tap drill for the STI size.
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3G Electric supplies OSG spiral-point sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
