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OSG M20x2.5 Metric Spiral-Point STI Tap, D5 / 4H-6H, Plug Chamfer, 3 Flute - Spiral-Point STI Taps
OSGSpiral-Point STI Taps

OSG M20x2.5 Metric Spiral-Point STI Tap, D5 / 4H-6H, Plug Chamfer, 3 Flute

The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for M20x2.5 metric threads, featuring a D5 / 4H-6H tolerance class and a plug chamfer. This 3-flute tap (MPN 12701300) is engineered for threading…

SKU 3G-OTH-287019

Brand
OSG
Item
M20x2.5 Metric Spiral-Point STI Tap, D5 / 4H-6H, Plug Chamfer, 3 Flute
Part Number
12701300
Category
Spiral-Point STI Taps
Available to Order
Also known as:12701300OSG
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
12701300
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 designed for M20x2.5 metric threads, featuring a D5 / 4H-6H tolerance class and a plug chamfer. This 3-flute tap (MPN 12701300) is engineered for threading applications requiring screw thread inserts, with the spiral-point design aiding chip evacuation during operation.

Frequently Asked Questions

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

This OSG spiral-point STI tap is used to cut internal threads in pre-drilled holes for installing screw thread inserts. It is designed for M20x2.5 metric threads with a D5 / 4H-6H tolerance class, commonly applied in automotive, aerospace, and general manufacturing where thread repair or reinforcement is needed.

What are the specifications of the OSG STI Tap MPN 12701300?

The OSG STI tap has a spiral-point design, M20x2.5 metric thread size, D5 / 4H-6H tolerance, 3 flutes, and a plug chamfer. It is a spiral-point STI tap for screw thread inserts, manufactured by OSG. These specs ensure precise thread cutting for insert installation in industrial applications.

Where to buy OSG STI Tap MPN 12701300 worldwide?

You can source the OSG STI Tap MPN 12701300 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 on this OSG spiral-point STI tap.

How to select the correct OSG STI tap for M20x2.5 threads?

To select the correct OSG STI tap, match the thread size (M20x2.5) and tolerance class (D5 / 4H-6H) to your insert specifications. Use a spiral-point design for through-hole applications. Verify the chamfer type (plug) and flute count (3) suit your material. Consult OSG technical data for optimal performance.

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
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OSG Products

3G Electric supplies OSG spiral-point sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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This spiral-point STI tap is designed for cutting internal threads in through holes prior to installing helical coil thread inserts. It features a 1"-8 UNC thread, H6 tolerance, plug chamfer, 4 flutes, and is made from high-speed steel. Typical applications include thread repair and reinforcement in metal components

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