We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

OSG Screw Thread Insert STI Tap: Straight Fute, 7/8"-9 UNC, H3 / 2B-3B, 4 Flute - General Purpose STI Taps
OSGGeneral Purpose STI Taps

OSG Screw Thread Insert STI Tap: Straight Fute, 7/8"-9 UNC, H3 / 2B-3B, 4 Flute

The OSG Screw Thread Insert STI Tap is a general-purpose STI tap with a straight flute design, sized 7/8"-9 UNC. It features a bottoming chamfer, 4 flutes, and an H3 / 2B-3B tolerance class (MPN 12604000).

SKU 3G-OTH-262050

Brand
OSG
Item
Screw Thread Insert STI Tap: Straight Fute, 7/8"-9 UNC, H3 / 2B-3B, 4 Flute
Category
General Purpose STI Taps
Available to Order
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Worldwide Shipping
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Technical specs
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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

Technical Specifications

OSG
Manufacturer Part Number
12604000
Type
H3 / 2B-3B, Bottoming Chamfer
Flute
4
UNC
7/8"-9

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 general-purpose STI tap with a straight flute design, sized 7/8"-9 UNC. It features a bottoming chamfer, 4 flutes, and an H3 / 2B-3B tolerance class (MPN 12604000).

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 for installing helical wire thread inserts. It is commonly applied in aerospace, automotive, and general manufacturing to repair or reinforce threaded holes, ensuring strong, wear-resistant connections.

What are the specifications of the OSG STI Tap 12604000?

This OSG STI Tap has a 7/8"-9 UNC thread size, H3 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer. It is a general-purpose straight flute tap designed for thread insert installation. The manufacturer part number is 12604000, and it is suitable for through or blind holes.

Where to buy OSG STI Taps worldwide?

You can source OSG STI 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 12604000 or other thread insert taps.

How to select the correct OSG STI Tap for a thread insert?

Select an OSG STI Tap that matches the thread insert's size and pitch, such as 7/8"-9 UNC. Ensure the tap tolerance (e.g., H3 / 2B-3B) aligns with the required class of fit. Use a bottoming chamfer for blind holes or a plug chamfer for through holes. Always follow the insert manufacturer's recommendations.

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 general purpose sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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OSG Screw Thread Insert STI Tap: Straight Fute, 5/8"-18 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12602800)
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