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

OSG Extension Tap: 7/8"-9 UNC, H6 / 2B-3B, 3 Flute, Plug Chamfer - Spiral-Point Extension Taps for Multiple Materials
OSGSpiral-Point Extension Taps for Multiple Materials

OSG Extension Tap: 7/8"-9 UNC, H6 / 2B-3B, 3 Flute, Plug Chamfer

The OSG Extension Tap (7/8"-9 UNC, MPN 1653505308) is a spiral-point extension tap for multiple materials, featuring a H6 / 2B-3B tolerance, plug chamfer, V coated powdered metal construction, and 3 flutes. 3G…

SKU 3G-OTH-402459

Brand
OSG
Item
Extension Tap: 7/8"-9 UNC, H6 / 2B-3B, 3 Flute, Plug Chamfer
Category
Spiral-Point Extension Taps for Multiple Materials
Available to Order
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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
1653505308
Type
H6 / 2B-3B, Plug Chamfer, V Coated Powdered Metal
Flute
3

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

Product Description

The OSG Extension Tap (7/8"-9 UNC, MPN 1653505308) is a spiral-point extension tap for multiple materials, featuring a H6 / 2B-3B tolerance, plug chamfer, V coated powdered metal construction, and 3 flutes. 3G Electric interprets customer demand and delivers this genuine industrial tool across 14 departments — with specialist depth in combustion, pumps and controls — ensuring you get the right answer, not just a catalog.

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 an OSG extension tap used for?

An OSG extension tap is used to cut internal threads in deep or hard-to-reach holes. This 7/8"-9 UNC plug-chamfer tap with V-coated powdered metal construction handles multiple materials including steel and stainless steel, providing extended reach for applications like die and mold work.

What are the specifications of the OSG 7/8"-9 UNC extension tap?

This OSG extension tap has a 7/8"-9 UNC thread size, H6 / 2B-3B tolerance, 3 flutes, plug chamfer, and V-coated powdered metal body. The manufacturer part number is 1653505308. It is designed for threading multiple materials with a spiral-point geometry for chip evacuation.

Where to buy OSG extension taps worldwide?

3G Electric supplies OSG extension taps worldwide, handling full logistics and customs clearance. As a global industrial sourcing partner, we provide this 7/8"-9 UNC tap (MPN 1653505308) and other OSG tooling to customers across 14 industrial departments, including machining and tooling.

How to select the right OSG extension tap for a job?

Select an OSG extension tap based on thread size, chamfer type, and material. For deep holes, choose a plug chamfer like this 7/8"-9 UNC tap. Match the H6 / 2B-3B tolerance to your thread class requirement. V-coated powdered metal taps suit harder materials; consult OSG's application data for optimal speeds and feeds.

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 extension 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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