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OSG Screw Thread Insert STI Tap: Spiral Point, M20x2.5 Metric, D5 / 4H-6H, 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, M20x2.5 Metric, D5 / 4H-6H, 3 Flute

The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, specified as M20x2.5 Metric with a D5 / 4H-6H tolerance, 3 flutes, and a plug chamfer (MPN 34201301).

SKU 3G-OTH-265353

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Point, M20x2.5 Metric, D5 / 4H-6H, 3 Flute
Category
Spiral-Point STI Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
34201301
Type
M20x2.5 Metric, D5 / 4H-6H, Plug Chamfer
Flute
3
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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 M20x2.5 Metric with a D5 / 4H-6H tolerance, 3 flutes, and a plug chamfer (MPN 34201301).

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 helical wire thread inserts. It is essential in aerospace, automotive, and industrial maintenance where stripped threads must be repaired with a stronger, wear-resistant insert.

What are the specifications of the OSG STI Tap M20x2.5?

This OSG STI Tap is M20x2.5 metric with a D5 / 4H-6H tolerance class, 3 flutes, and a spiral-point plug chamfer. It is designed for through-hole threading in steel and stainless steel. The manufacturer part number is 34201301.

Where to buy OSG STI Tap M20x2.5 worldwide?

3G Electric supplies the OSG Screw Thread Insert STI Tap M20x2.5 worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this precision threading tool.

How to select the correct STI tap size for M20x2.5 inserts?

To select the correct STI tap for M20x2.5 inserts, use a tap marked with the same thread size and pitch as the insert. The OSG tap with D5 / 4H-6H tolerance ensures proper fit. Always match the tap chamfer type (plug for through holes) to your application.

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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