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OSG Screw Thread Insert STI Tap: Spiral Point, 7/8"-14 UNF, H3 / 2B-3B, 3 Flute - Spiral-Point STI Taps for Steel & Stainless Steel
OSGSpiral-Point STI Taps for Steel & Stainless Steel

OSG Screw Thread Insert STI Tap: Spiral Point, 7/8"-14 UNF, H3 / 2B-3B, 3 Flute

The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, specified as 7/8"-14 UNF with H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30104201). 3G Electric interprets this…

SKU 3G-OTH-265456

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Point, 7/8"-14 UNF, H3 / 2B-3B, 3 Flute
Category
Spiral-Point STI Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
30104201
Type
H3 / 2B-3B, Plug Chamfer
Flute
3
UNF
7/8"-14
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, specified as 7/8"-14 UNF with H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30104201). 3G Electric interprets this demand and sources the genuine OSG tool, backed by specialist expertise in industrial threading solutions.

Frequently Asked Questions

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

This OSG spiral-point STI tap is designed for cutting internal threads in steel and stainless steel before installing screw thread inserts. It is commonly used in aerospace, automotive, and heavy equipment manufacturing where strong, wear-resistant threads are required.

What are the specifications of the OSG STI Tap 30104201?

The OSG STI tap has a 7/8"-14 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is a spiral-point design for steel and stainless steel. The manufacturer part number is 30104201.

Where to buy the OSG STI Tap 30104201 worldwide?

You can source the OSG STI Tap 30104201 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.

How to select the correct OSG STI tap for thread inserts?

Select an STI tap based on the insert's thread size and pitch, such as 7/8"-14 UNF. Ensure the tap tolerance (e.g., H3 / 2B-3B) matches the required class of fit. Use a spiral-point design for through-hole threading in steel or stainless steel.

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 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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