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OSG Straight Flute Tap: 1 1/4"-7 UNC, H4 / 2B-3B, 4 Flute, Bottoming Chamfer - General Purpose Hand Taps
OSGGeneral Purpose Hand Taps

OSG Straight Flute Tap: 1 1/4"-7 UNC, H4 / 2B-3B, 4 Flute, Bottoming Chamfer

OSG General Purpose Hand Taps.

SKU 3G-OTH-221600

Brand
OSG
Item
Straight Flute Tap: 1 1/4"-7 UNC, H4 / 2B-3B, 4 Flute, Bottoming Chamfer
Part Number
1137701
Category
General Purpose Hand Taps
Available to Order
Also known as:1137701OSG
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Technical Specifications

OSG
Manufacturer Part Number
1137701

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

Product Description

OSG General Purpose Hand Taps.

Frequently Asked Questions

What is the OSG Straight Flute Tap 1137701 used for?

The OSG Straight Flute Tap 1137701 is a general purpose hand tap designed for cutting internal threads in through or blind holes. It is commonly used in metalworking, automotive, and general manufacturing applications where precise UNC threads are required.

What are the specifications of the OSG Straight Flute Tap 1137701?

The OSG Straight Flute Tap 1137701 has a thread size of 1 1/4"-7 UNC, with a H4 tolerance for 2B-3B class fit. It features 4 flutes and a bottoming chamfer, making it suitable for threading close to the bottom of blind holes. The manufacturer part number is 1137701.

Where to buy the OSG Straight Flute Tap 1137701 worldwide?

You can source the OSG Straight Flute Tap 1137701 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct OSG tap for your threading needs.

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

To select the correct OSG Straight Flute Tap, match the thread size and pitch (e.g., 1 1/4"-7 UNC) to your application. For blind holes, choose a bottoming chamfer tap like the 1137701. Ensure the tap tolerance (H4) aligns with the required class of fit (2B-3B) for your workpiece material.

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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