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OSG Screw Thread Insert STI Tap: Spiral Point, 1/4"-28 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, 1/4"-28 UNF, H3 / 2B-3B, 3 Flute

The OSG Screw Thread Insert STI Tap: Spiral Point (MPN 1713308) is a spiral-point STI tap for steel and stainless steel, with a 1/4"-28 UNF thread, H3 / 2B-3B tolerance, 3-flute design, and plug chamfer.

SKU 3G-OTH-265351

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Point, 1/4"-28 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
1713308
Type
H3 / 2B-3B, Plug Chamfer
Flute
3
UNF
1/4"-28
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Screw Thread Insert STI Tap: Spiral Point (MPN 1713308) is a spiral-point STI tap for steel and stainless steel, with a 1/4"-28 UNF thread, H3 / 2B-3B tolerance, 3-flute design, and plug chamfer.

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 automotive, aerospace, and general manufacturing applications where strong, wear-resistant threads are required.

What are the specifications of the OSG STI Tap 1713308?

The OSG STI tap has a 1/4"-28 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 1713308.

Where to buy the OSG STI Tap 1713308 worldwide?

You can source the OSG STI Tap 1713308 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct tap for your threading needs.

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

Select an STI tap based on the insert's thread size and tolerance. For a 1/4"-28 UNF insert requiring a 2B-3B fit, use an OSG tap with H3 tolerance and plug chamfer. Ensure the tap material matches the workpiece—spiral-point designs suit steel and 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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