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

OSG Screw Thread Insert STI Tap: Spiral Point, 7/8"-14 UNF, H4 / 2B-3B, 3 Flute - Spiral-Point STI Taps for Steel & Stainless Steel
OSGSpiral-Point STI Taps for Steel & Stainless Steel

OSG Screw Thread Insert STI Tap: Spiral Point, 7/8"-14 UNF, H4 / 2B-3B, 3 Flute

The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, specified as 7/8"-14 UNF with H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30104301). 3G Electric interprets this…

SKU 3G-OTH-265359

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Point, 7/8"-14 UNF, H4 / 2B-3B, 3 Flute
Category
Spiral-Point STI Taps for Steel & Stainless Steel
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
30104301
Type
H4 / 2B-3B, Plug Chamfer
Flute
3
UNF
7/8"-14

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 steel and stainless steel, specified as 7/8"-14 UNF with H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30104301). 3G Electric interprets this demand and sources the genuine OSG tool, backed by specialist expertise in industrial threading solutions across 14 departments.

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?

This OSG spiral-point STI tap is designed for cutting internal threads in steel and stainless steel before installing screw thread inserts. It is commonly used in aerospace, automotive, and industrial maintenance applications where strong, wear-resistant threads are required.

What are the specifications of the OSG STI Tap 30104301?

The OSG STI tap has a UNF thread size of 7/8"-14, with a H4 / 2B-3B tolerance class and a plug chamfer. It features 3 flutes and a spiral-point design for efficient chip evacuation. The manufacturer part number is 30104301.

Where to buy OSG STI Taps worldwide?

You can source the OSG STI Tap MPN 30104301 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct tool for your threading application.

How to select the correct OSG STI Tap for steel?

Select an STI tap based on the thread size and pitch required for your insert, such as 7/8"-14 UNF. For steel and stainless steel, choose a spiral-point design with a plug chamfer and H4 tolerance. Always match the tap to the material hardness and thread class specified in your application.

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 steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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