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OSG Screw Thread Insert STI Tap: Spiral Fute, M4x0.7 Metric, D3 / 4H-6H - Spiral-Flute STI Taps for Multiple Materials
OSGSpiral-Flute STI Taps for Multiple Materials

OSG Screw Thread Insert STI Tap: Spiral Fute, M4x0.7 Metric, D3 / 4H-6H

SKU 3G-OTH-281189

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Fute, M4x0.7 Metric, D3 / 4H-6H
Category
Spiral-Flute STI Taps for Multiple Materials
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Technical Specifications

OSG
Manufacturer Part Number
34500408
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is an OSG spiral-flute STI tap used for?

An OSG spiral-flute STI tap is used to cut internal threads in multiple materials for installing screw thread inserts. It is commonly applied in automotive, aerospace, and general manufacturing where strong, wear-resistant threads are needed in softer base materials.

What are the specifications of the OSG STI tap M4x0.7?

The OSG STI tap has a metric M4x0.7 thread size, a D3 / 4H-6H tolerance class, and a 3-flute spiral-flute design. The manufacturer part number is 34500408. It is designed for threading holes before inserting helical wire inserts.

Where to buy OSG STI taps worldwide?

OSG STI taps are available to order 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 size?

To select the correct OSG STI tap, match the tap thread size and pitch to the insert's internal thread requirements. For M4x0.7 inserts, use an STI tap with the same designation. Ensure the tap tolerance class (e.g., D3 / 4H-6H) aligns with the desired thread fit.

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 multiple materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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