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OSG 1/4"-20 UNC General Purpose Hand Tap - General Purpose Hand Taps
OSGGeneral Purpose Hand Taps

OSG 1/4"-20 UNC General Purpose Hand Tap

The OSG Straight Flute Tap (1/4"-20 UNC) is a general-purpose hand tap with a plug chamfer, 4 flutes, and TiN-coated high-speed steel construction. It is classified as H3 / 2B-3B (MPN 1120105), providing a grounded…

SKU 3G-OTH-221852

Brand
OSG
Item
1/4"-20 UNC General Purpose Hand Tap
Part Number
1120105
Category
General Purpose Hand Taps
Available to Order
Also known as:1120105OSG
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
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Technical Specifications

OSG
Manufacturer Part Number
1120105
Type
H3 / 2B-3B, Plug Chamfer, TiN Coated High Speed Steel
Flute
4

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

Product Description

The OSG Straight Flute Tap (1/4"-20 UNC) is a general-purpose hand tap with a plug chamfer, 4 flutes, and TiN-coated high-speed steel construction. It is classified as H3 / 2B-3B (MPN 1120105), providing a grounded specification for threading applications.

Frequently Asked Questions

What is the OSG Straight Flute Tap 1120105 used for?

The OSG Straight Flute Tap 1120105 is a general-purpose hand tap designed for cutting internal threads in through or blind holes. It is commonly used in metalworking and manufacturing for tapping UNC threads in steel, aluminum, and other materials, providing precise thread forming with its TiN coating.

What are the specifications of the OSG Straight Flute Tap 1120105?

The OSG Straight Flute Tap 1120105 has a thread size of 1/4"-20 UNC, with an H3 / 2B-3B tolerance class. It features 4 flutes, a plug chamfer, and a TiN coated high-speed steel construction. The manufacturer part number is 1120105, and it is designed for general-purpose hand tapping applications.

Where to buy the OSG Straight Flute Tap 1120105 worldwide?

You can source the OSG Straight Flute Tap 1120105 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your manufacturing needs. Contact us for availability and lead times.

How to select the correct OSG Straight Flute Tap for UNC threads?

To select the correct OSG Straight Flute Tap for UNC threads, match the tap's thread size and pitch to your application, such as 1/4"-20 UNC. Consider the material being tapped; TiN coated high-speed steel taps like the 1120105 suit steel and aluminum. Choose plug chamfer for general use and verify tolerance class (H3) for desired fit.

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
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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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