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OSG Screw Thread Insert STI Tap: Spiral Point, 1"-12 UNF, H6, 4 Flute - Spiral-Point STI Taps for Multiple Materials
OSGSpiral-Point STI Taps for Multiple Materials

OSG Screw Thread Insert STI Tap: Spiral Point, 1"-12 UNF, H6, 4 Flute

The OSG Screw Thread Insert STI Tap is a spiral-point tap for multiple materials, specified as 1"-12 UNF, H6, with a 4-flute plug chamfer (MPN 31404308). 3G Electric interprets this demand and sources genuine…

SKU 3G-OTH-284714

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Point, 1"-12 UNF, H6, 4 Flute
Category
Spiral-Point STI Taps for Multiple Materials
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
31404308
Type
H6, Plug Chamfer
Flute
4
UNF
1"-12

Technical Documents

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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Screw Thread Insert STI Tap is a spiral-point tap for multiple materials, specified as 1"-12 UNF, H6, with a 4-flute plug chamfer (MPN 31404308). 3G Electric interprets this demand and sources genuine industrial equipment across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.

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 multiple materials to accept helical wire thread inserts. It is commonly used in aerospace, automotive, and industrial maintenance to repair or reinforce tapped holes in aluminum, steel, and cast iron.

What are the specifications of the OSG STI Tap 1"-12 UNF?

This OSG STI Tap has a 1"-12 UNF thread size, H6 tolerance, 4 flutes, and a plug chamfer. It is a spiral-point design for through-hole threading. The manufacturer part number is 31404308.

Where to buy OSG STI Tap 1"-12 UNF worldwide?

3G Electric supplies and delivers the OSG STI Tap 1"-12 UNF worldwide. We handle full logistics and customs clearance for global orders. Contact us for availability and lead time on this spiral-point tap for multiple materials.

How to select the correct STI tap size for a thread insert?

Select an STI tap that matches the thread insert's nominal size and pitch, such as 1"-12 UNF. The tap must have STI marking and the correct tolerance (e.g., H6) to ensure the insert fits properly. Always verify the insert manufacturer's recommended tap drill size.

Used in

Common applications for OSG
Automotive engine block production — OSG micro drill bits for oil gallery and coolant passage drilling in cast iron
Medical device manufacturing — OSG micro drill bits for drilling bone screw pilot holes in stainless steel implants
Aerospace component machining — OSG micro drill bits for fastener holes in titanium alloy structural parts
Mold and die making — OSG micro drill bits for cooling channel drilling in hardened tool steel (HRC 45-50)
Electronics enclosure fabrication — OSG micro drill bits for precision holes in aluminum alloy housings (with appropriate coating selection)
General engineering job shops — OSG micro drill bits for small-diameter hole drilling in mild steel and alloy steel parts

OSG Products

3G Electric supplies OSG spiral-point sti taps for multiple materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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