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OSG #3-48 UNC Spiral-Point STI Tap, H2 / 2B-3B, Plug Chamfer, 2 Flute - Spiral-Point STI Taps for Steel & Stainless Steel
OSGSpiral-Point STI Taps for Steel & Stainless Steel

OSG #3-48 UNC Spiral-Point STI Tap, H2 / 2B-3B, Plug Chamfer, 2 Flute

The OSG Screw Thread Insert STI Tap: Spiral Point (MPN 30100101) is a #3-48 UNC, H2 / 2B-3B, 2-flute, plug-chamfer tap designed for steel and stainless steel. 3G Electric interprets this demand and sources the…

SKU 3G-OTH-265416

Brand
OSG
Item
#3-48 UNC Spiral-Point STI Tap, H2 / 2B-3B, Plug Chamfer, 2 Flute
Part Number
30100101
Category
Spiral-Point STI Taps for Steel & Stainless Steel
Available to Order
Also known as:30100101OSG
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Technical Specifications

OSG
Manufacturer Part Number
30100101
Type
#3-48 UNC, H2 / 2B-3B, Plug Chamfer
Flute
2

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

Product Description

The OSG Screw Thread Insert STI Tap: Spiral Point (MPN 30100101) is a #3-48 UNC, H2 / 2B-3B, 2-flute, plug-chamfer tap designed for steel and stainless steel. 3G Electric interprets this demand and sources the correct OSG tap, backed by specialist depth in industrial tooling across 14 departments.

Frequently Asked Questions

What is an OSG Screw Thread Insert STI Tap used for?

An OSG Screw Thread Insert STI Tap is used to cut internal threads in steel and stainless steel for installing screw thread inserts. It is commonly applied in aerospace, automotive, and industrial maintenance to repair or reinforce threaded holes without replacing the parent material.

What are the specifications of the OSG STI Tap #3-48 UNC?

The OSG STI Tap has a #3-48 UNC thread size, H2 / 2B-3B tolerance, 2 flutes, and a plug chamfer. It is a spiral-point design for steel and stainless steel. The manufacturer part number is 30100101. These specs ensure proper thread fit for STI inserts.

Where to buy OSG STI Tap #3-48 UNC worldwide?

You can source the OSG STI Tap #3-48 UNC worldwide through 3G Electric. We handle full logistics, customs clearance, and delivery to global destinations. Contact us for availability and lead time. We supply genuine OSG tooling for industrial applications.

How to select the correct OSG STI Tap for a repair job?

Select an OSG STI Tap that matches the thread size and pitch of the insert you are installing. For steel and stainless steel, use a spiral-point tap with a plug chamfer. Verify the H2 / 2B-3B tolerance class to ensure proper thread fit. Always follow the insert manufacturer's recommendations.

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
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OSG Products

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

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