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OSG Straight Flute Tap: 3/4"-16 UNF, H3 / 2B-3B, 4 Flute, Plug Chamfer - General Purpose Hand Taps
OSGGeneral Purpose Hand Taps

OSG Straight Flute Tap: 3/4"-16 UNF, H3 / 2B-3B, 4 Flute, Plug Chamfer

The OSG Straight Flute Tap (3/4"-16 UNF) is a general-purpose hand tap with a TiN-coated high-speed steel construction, featuring a plug chamfer and H3/2B-3B tolerance class. This 4-flute tap (MPN 1125205) is…

SKU 3G-OTH-221645

Brand
OSG
Item
Straight Flute Tap: 3/4"-16 UNF, H3 / 2B-3B, 4 Flute, Plug Chamfer
Category
General Purpose Hand Taps
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
1125205
Type
H3 / 2B-3B, Plug Chamfer, TiN Coated High Speed Steel
Flute
4

Technical Documents

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

Product Description

The OSG Straight Flute Tap (3/4"-16 UNF) is a general-purpose hand tap with a TiN-coated high-speed steel construction, featuring a plug chamfer and H3/2B-3B tolerance class. This 4-flute tap (MPN 1125205) is designed for threading applications requiring precise internal threads in a range of materials.

Frequently Asked Questions

What is the OSG Straight Flute Tap 1125205 used for?

The OSG Straight Flute Tap 1125205 is a general-purpose hand tap designed for cutting internal threads in metal. It is commonly used in maintenance, repair, and production environments for creating UNF threads in through or blind holes. The TiN coating reduces friction and extends tool life.

What are the specifications of the OSG Straight Flute Tap 1125205?

The OSG Straight Flute Tap has a thread size of 3/4"-16 UNF, with an H3 tolerance for class 2B/3B fit. It features 4 flutes, a plug chamfer, and a TiN-coated high-speed steel construction. The manufacturer part number is 1125205.

Where to buy the OSG Straight Flute Tap 1125205 worldwide?

You can source the OSG Straight Flute Tap 1125205 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 on this OSG tap.

How to select the correct OSG tap for UNF threads?

To select the correct OSG tap for UNF threads, match the thread size and pitch (e.g., 3/4"-16 UNF) to your application. Choose the chamfer type: plug for general use, taper for starting, or bottoming for blind holes. The H3 tolerance suits class 2B/3B fits. OSG taps are precision-ground for consistent thread quality.

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

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