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

OSG Screw Thread Insert STI Tap: Straight Fute, 7/16"-20 UNF, H4 / 2B-3B, 4 Flute - General Purpose STI Taps
OSGGeneral Purpose STI Taps

OSG Screw Thread Insert STI Tap: Straight Fute, 7/16"-20 UNF, H4 / 2B-3B, 4 Flute

The OSG Screw Thread Insert STI Tap is a general-purpose STI tap with a straight flute design, sized 7/16"-20 UNF. It features an H4 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer (MPN 12601000).

SKU 3G-OTH-262034

Brand
OSG
Item
Screw Thread Insert STI Tap: Straight Fute, 7/16"-20 UNF, H4 / 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
12601000
Type
H4 / 2B-3B, Bottoming Chamfer
Flute
4
UNF
7/16"-20

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 7/16"-20 UNF. It features an H4 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer (MPN 12601000).

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 pre-drilled holes for installing helical screw thread inserts. It is commonly applied in aerospace, automotive, and general manufacturing where thread repair or reinforcement is needed in softer materials like aluminum or cast iron.

What are the specifications of the OSG STI Tap 12601000?

The OSG STI Tap has a UNF thread size of 7/16"-20, a thread tolerance of H4 / 2B-3B, 4 flutes, and a bottoming chamfer. It is a straight flute, general purpose tap designed for screw thread insert applications. The manufacturer part number is 12601000.

Where to buy OSG STI Tap 12601000 worldwide?

You can source the OSG STI Tap 12601000 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine OSG tooling for thread insert tapping.

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 class. For a 7/16"-20 UNF insert, use the tap with the same thread designation and a tolerance of H4 / 2B-3B. Choose a bottoming chamfer for blind holes or a plug chamfer for through holes. Always verify the tap's flute count and coating for the workpiece material.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
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OSG Screw Thread Insert STI Tap: Straight Fute, 3/8"-16 UNC, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12600800)
OSG Screw Thread Insert STI Tap: Straight Fute, 9/16"-12 UNC, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12601800)
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OSG Screw Thread Insert STI Tap: Straight Fute, 9/16"-12 UNC, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12601800)

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