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OSG Screw Thread Insert STI Tap: Spiral Point, #6-32 UNC, H3 / 2B-3B, 2 Flute - Spiral-Point STI Taps
OSGSpiral-Point STI Taps

OSG Screw Thread Insert STI Tap: Spiral Point, #6-32 UNC, H3 / 2B-3B, 2 Flute

The OSG Screw Thread Insert STI Tap is a #6-32 UNC spiral-point tap with a Plug Chamfer, 2 flutes, and H3 / 2B-3B tolerance class (MPN 1830400). 3G Electric interprets this demand and sources the genuine OSG tool…

SKU 3G-OTH-287040

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Point, #6-32 UNC, H3 / 2B-3B, 2 Flute
Category
Spiral-Point STI Taps
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Technical Specifications

OSG
Manufacturer Part Number
1830400
Type
#6-32 UNC, H3 / 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 is a #6-32 UNC spiral-point tap with a Plug Chamfer, 2 flutes, and H3 / 2B-3B tolerance class (MPN 1830400). 3G Electric interprets this demand and sources the genuine OSG tool, supporting your threading operations across 14 industrial departments — with specialist depth in combustion, pumps and controls as an authorised distributor.

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 a pre-drilled hole before installing a helical wire thread insert. It is commonly applied in aerospace, automotive, and general manufacturing to repair or reinforce threads in softer materials like aluminum or cast iron.

What are the specifications of the OSG STI Tap #6-32 UNC?

The OSG STI Tap has a #6-32 UNC thread size, H3 / 2B-3B tolerance, 2 flutes, and a plug chamfer. It is a spiral-point design for through-hole tapping. The manufacturer part number is 1830400. This tap is designed specifically for installing screw thread inserts.

Where to buy OSG STI Taps worldwide?

You can source OSG STI Taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG Screw Thread Insert STI Tap MPN 1830400.

How to select the correct OSG STI Tap for a thread insert?

Select an OSG STI Tap that matches the thread size and pitch of the insert, such as #6-32 UNC. Ensure the tap tolerance (e.g., H3 / 2B-3B) aligns with the insert class. Use a plug chamfer for blind holes or spiral-point for through holes. Always follow the insert manufacturer's drilling and tapping 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

OSG Products

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

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