EXW Singapore — collect or forward from our Singapore office.

3G Electric
OSG 1/4"-28 UNF Spiral-Point Extension Tap, H3 / 2B-3B, 3 Flute, Plug Chamfer - Spiral-Point Extension Taps for Steel & Stainless Steel
OSGSpiral-Point Extension Taps for Steel & Stainless Steel

OSG 1/4"-28 UNF Spiral-Point Extension Tap, H3 / 2B-3B, 3 Flute, Plug Chamfer

OSG Spiral-Point Extension Taps for Steel & Stainless Steel.

SKU 3G-OTH-313181

Brand
OSG
Item
1/4"-28 UNF Spiral-Point Extension Tap, H3 / 2B-3B, 3 Flute, Plug Chamfer
Part Number
1765101
Category
Spiral-Point Extension Taps for Steel & Stainless Steel
Available to Order
Also known as:1765101OSG
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
1765101

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

OSG Spiral-Point Extension Taps for Steel & Stainless Steel.

Frequently Asked Questions

What is the OSG Extension Tap 1/4"-28 UNF used for?

The OSG Extension Tap 1/4"-28 UNF is designed for threading blind or deep holes in steel and stainless steel. Its spiral-point design pushes chips forward, reducing clogging. The H3 / 2B-3B tolerance ensures precise fit for UNF fasteners in industrial manufacturing and maintenance applications.

What are the specifications of the OSG Extension Tap MPN 1765101?

The OSG Extension Tap MPN 1765101 has a 1/4"-28 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is a spiral-point extension tap for steel and stainless steel. The H3 ground thread form ensures accurate class 2B or 3B internal threads.

Where to buy the OSG Extension Tap 1/4"-28 UNF worldwide?

3G Electric supplies the OSG Extension Tap 1/4"-28 UNF worldwide. As a global industrial distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this OSG tap.

How to select the correct OSG extension tap for steel?

Select an OSG extension tap based on thread size (1/4"-28 UNF), material (steel or stainless steel), and hole depth. The spiral-point design suits through or blind holes. For tight tolerances, choose H3 / 2B-3B. Always match the tap chamfer (plug) to your application requirements.

Used in

Common applications for OSG
Aerospace — OSG STI taps for installing helical wire thread inserts in aluminum components
Automotive — OSG spiral-point taps for through-hole threading in engine blocks and transmission cases
General machining — OSG spiral-flute taps for blind-hole threading in steel and stainless steel parts
Heavy equipment repair — OSG thread-forming taps for creating threads in ductile iron and steel castings
Precision manufacturing — OSG solid carbide chucking reamers for finishing holes in hydraulic manifolds
Die and mold — OSG coolant-through solid carbide drills for deep-hole drilling in tool steels
Not sure this is the right part? Photo-identify it→

OSG Products

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

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from OSG

View all OSG parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first