OSG Screw Thread Insert STI Tap: Straight Fute, 7/16"-20 UNF, H3 / 2B-3B, 4 Flute
The OSG Screw Thread Insert STI Tap (SKU 1813400, MPN 1813400) is a general-purpose STI tap with a straight flute design, sized 7/16"-20 UNF. It features an H3 / 2B-3B tolerance, 4 flutes, and a plug chamfer, making…
SKU 3G-OTH-262113
Local availability & support — the Philippines
- Delivery
- 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
- Payment
- Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
- Ships to
- Manila, Quezon City, Cebu, Davao, Batangas
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Product Description
The OSG Screw Thread Insert STI Tap (SKU 1813400, MPN 1813400) is a general-purpose STI tap with a straight flute design, sized 7/16"-20 UNF. It features an H3 / 2B-3B tolerance, 4 flutes, and a plug chamfer, making it suitable for threading applications requiring screw thread inserts.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
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 before installing a helical wire thread insert. It is commonly applied in aerospace, automotive, and general manufacturing where thread repair or reinforcement is needed. The 7/16"-20 UNF size suits standard unified fine thread applications.
What are the specifications of the OSG STI Tap MPN 1813400?
This OSG STI Tap has a 7/16"-20 UNF thread size, H3 / 2B-3B tolerance, 4 flutes, and a plug chamfer. It is a straight flute, general-purpose tap designed for screw thread insert installation. The manufacturer part number is 1813400, and the SKU is 3G-OTH-262113.
Where to buy OSG STI Taps worldwide?
You can source OSG STI Taps, including MPN 1813400, through 3G Electric. As a global industrial equipment distributor since 1990, 3G Electric handles full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this and other OSG threading tools.
How to select the correct OSG STI Tap for thread inserts?
Select an OSG STI Tap based on the thread insert's size and tolerance. For a 7/16"-20 UNF insert, use a tap with matching thread pitch and an H3 / 2B-3B tolerance class. Ensure the tap has a plug chamfer for general through-hole work. Always match the tap to the insert manufacturer's recommendations for proper thread fit.
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3G Electric supplies OSG general purpose sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
