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OSG Straight Flute Tap: 1 3/8"-6 UNC, H4 / 2B-3B, 4 Flute, Taper Chamfer - General Purpose Hand Taps
OSGGeneral Purpose Hand Taps

OSG Straight Flute Tap: 1 3/8"-6 UNC, H4 / 2B-3B, 4 Flute, Taper Chamfer

OSG General Purpose Hand Taps.

SKU 3G-OTH-221582

Brand
OSG
Item
Straight Flute Tap: 1 3/8"-6 UNC, H4 / 2B-3B, 4 Flute, Taper 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
1138101

Technical Documents

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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 1138101 used for?

The OSG Straight Flute Tap 1138101 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 UNC threads in through or blind holes. Its taper chamfer and 4-flute design help distribute cutting forces smoothly.

What are the specifications of the OSG Straight Flute Tap 1138101?

The OSG Straight Flute Tap 1138101 has a thread size of 1 3/8"-6 UNC, with an H4 tolerance class for 2B-3B fit. It features 4 flutes and a taper chamfer. The manufacturer part number is 1138101. This tap is designed for general-purpose hand tapping in ferrous and non-ferrous materials.

Where to buy the OSG Straight Flute Tap 1138101 worldwide?

You can source the OSG Straight Flute Tap 1138101 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; we provide competitive pricing and reliable sourcing for this OSG tap.

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—here 1 3/8"-6 UNC. Choose the chamfer type: taper for through holes, plug for blind holes. Ensure the tap's tolerance class (e.g., H4) aligns with the required thread fit (2B-3B). OSG taps are precision-ground for consistent performance.

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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