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OSG Screw Thread Insert STI Tap: Spiral Fute, M8x1.25 Metric, D3 / 4H-6H - Spiral-Flute STI Taps for Steel & Stainless Steel
OSGSpiral-Flute STI Taps for Steel & Stainless Steel

OSG Screw Thread Insert STI Tap: Spiral Fute, M8x1.25 Metric, D3 / 4H-6H

The OSG Screw Thread Insert STI Tap is a spiral-flute tap for steel and stainless steel, specified as M8x1.25 Metric with D3 / 4H-6H tolerance and 3 flutes (MPN 34300708). 3G Electric interprets this demand and…

SKU 3G-OTH-244304

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Fute, M8x1.25 Metric, D3 / 4H-6H
Category
Spiral-Flute STI Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
34300708
Type
M8x1.25 Metric, D3 / 4H-6H
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-flute tap for steel and stainless steel, specified as M8x1.25 Metric with D3 / 4H-6H tolerance and 3 flutes (MPN 34300708). 3G Electric interprets this demand and sources the genuine OEM tool, supporting your threading operations across 14 industrial 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 helical wire 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 MPN 34300708?

The OSG STI Tap MPN 34300708 is a spiral-flute tap for steel and stainless steel. It has an M8x1.25 metric thread, a D3 / 4H-6H tolerance class, and 3 flutes. This design helps evacuate chips upward, making it suitable for blind-hole threading applications.

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 34300708.

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

To select the correct OSG STI Tap, match the tap's thread size and pitch to the insert you plan to install. For steel or stainless steel, choose a spiral-flute design like the M8x1.25 D3 / 4H-6H tap for blind holes. Always verify the insert manufacturer's recommended tap drill size before use.

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-flute 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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