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OSG M12x1.75 Metric Spiral-Point STI Tap - Spiral-Point STI Taps
OSGSpiral-Point STI Taps

OSG M12x1.75 Metric Spiral-Point STI Tap

The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for M12x1.75 metric threads with a D4 / 4H-6H tolerance and plug chamfer. It features 3 flutes and is identified by manufacturer part number…

SKU 3G-OTH-287020

Brand
OSG
Item
M12x1.75 Metric Spiral-Point STI Tap
Part Number
12700900
Category
Spiral-Point STI Taps
Available to Order
Also known as:12700900OSG
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Technical Specifications

OSG
Manufacturer Part Number
12700900
Type
M12x1.75 Metric, D4 / 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 M12x1.75 metric threads with a D4 / 4H-6H tolerance and plug chamfer. It features 3 flutes and is identified by manufacturer part number 12700900. 3G Electric interprets your demand for this precision threading tool, sourcing it from OSG and supporting your industrial operations across 14 departments, with specialist depth in combustion, pumps, and controls.

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 M12x1.75 metric applications in industrial manufacturing and repair, ensuring precise thread engagement for insert installation.

What are the specifications of the OSG STI Tap MPN 12700900?

The OSG STI tap has a M12x1.75 metric thread size, D4 / 4H-6H tolerance class, 3 flutes, and a plug chamfer. It is a spiral-point design for through-hole threading. The manufacturer part number is 12700900.

Where to buy OSG STI Taps worldwide?

3G Electric supplies OSG STI taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on the OSG 12700900 tap.

How to select the correct OSG STI tap for M12x1.75 inserts?

Select an STI tap that matches the insert thread size and pitch, here M12x1.75. Ensure the tap tolerance class (D4 / 4H-6H) aligns with the insert manufacturer's recommendation. Use a plug chamfer for through holes and verify the tap is designed for the base material hardness.

Used in

Common applications for OSG
Aerospace — OSG STI taps for installing helical wire thread inserts in aluminum components
Automotive — OSG spiral-point taps for through-hole threading in engine blocks and transmission cases
General machining — OSG spiral-flute taps for blind-hole threading in steel and stainless steel parts
Heavy equipment repair — OSG thread-forming taps for creating threads in ductile iron and steel castings
Precision manufacturing — OSG solid carbide chucking reamers for finishing holes in hydraulic manifolds
Die and mold — OSG coolant-through solid carbide drills for deep-hole drilling in tool steels
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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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