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OSG Screw Thread Insert STI Tap: Spiral Point, M16x2 Metric, D5 / 4H-6H, 4 Flute - Spiral-Point STI Taps for Multiple Materials
OSGSpiral-Point STI Taps for Multiple Materials

OSG Screw Thread Insert STI Tap: Spiral Point, M16x2 Metric, D5 / 4H-6H, 4 Flute

The OSG Screw Thread Insert STI Tap is a spiral-point tap for multiple materials, with an M16x2 Metric thread, D5 / 4H-6H tolerance, 4 flutes, and a plug chamfer (MPN 34401108).

SKU 3G-OTH-284620

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Point, M16x2 Metric, D5 / 4H-6H, 4 Flute
Category
Spiral-Point STI Taps for Multiple Materials
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
34401108
Type
M16x2 Metric, D5 / 4H-6H, Plug Chamfer
Flute
4

Technical Documents

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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 multiple materials, with an M16x2 Metric thread, D5 / 4H-6H tolerance, 4 flutes, and a plug chamfer (MPN 34401108).

Frequently Asked Questions

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

An OSG Screw Thread Insert STI Tap cuts internal threads in multiple materials to accept helical wire thread inserts. It is commonly used in automotive, aerospace, and general manufacturing to repair or reinforce tapped holes in aluminum, steel, and cast iron.

What are the specifications of the OSG STI Tap M16x2?

This OSG STI Tap has a M16x2 metric thread, D5 / 4H-6H tolerance, 4 flutes, and a plug chamfer. It is a spiral-point design for through-hole tapping. The manufacturer part number is 34401108.

Where to buy OSG STI Taps worldwide?

3G Electric supplies and delivers OSG STI Taps worldwide. We handle full logistics and customs clearance for global orders. Contact us for availability and lead time on this M16x2 spiral-point tap.

How to select the correct STI tap size?

Select an STI tap that matches the thread insert's nominal size and pitch, such as M16x2. The tap tolerance (e.g., D5 / 4H-6H) must align with the insert's class. Always verify the insert manufacturer's recommended drill and tap specifications before ordering.

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 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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Cross-referenced by specification & description
OSG Screw Thread Insert STI Tap: Spiral Point, M16x2 Metric, D5 / 4H-6H, 4 Flute, Plug Chamfer (MPN 34401101)
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