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OSG 9/16"-18 UNF Spiral-Point STI Tap for Steel & Stainless Steel - Spiral-Point STI Taps for Steel & Stainless Steel
OSGSpiral-Point STI Taps for Steel & Stainless Steel

OSG 9/16"-18 UNF Spiral-Point STI Tap for Steel & Stainless Steel

The OSG Screw Thread Insert STI Tap: Spiral Point (SKU 30102901, MPN 30102901) is a spiral-point STI tap for steel and stainless steel, with a 9/16"-18 UNF thread, H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer…

SKU 3G-OTH-265462

Brand
OSG
Item
9/16"-18 UNF Spiral-Point STI Tap for Steel & Stainless Steel
Part Number
30102901
Category
Spiral-Point STI Taps for Steel & Stainless Steel
Available to Order
Also known as:30102901OSG
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
30102901
Type
H4 / 2B-3B, Plug Chamfer
Flute
3
UNF
9/16"-18

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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Screw Thread Insert STI Tap: Spiral Point (SKU 30102901, MPN 30102901) is a spiral-point STI tap for steel and stainless steel, with a 9/16"-18 UNF thread, H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer. 3G Electric interprets your demand for this precision threading tool, sourcing it from OSG and supporting your application with specialist expertise across 14 industrial departments.

Frequently Asked Questions

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

The OSG Screw Thread Insert STI Tap is used to cut internal threads in steel and stainless steel for installing screw thread inserts. It is commonly applied in aerospace, automotive, and industrial maintenance where strong, wear-resistant threads are required.

What are the specifications of the OSG STI Tap 30102901?

This OSG STI Tap has a 9/16"-18 UNF thread size, H4 / 2B-3B tolerance, 3-flute design, and a spiral-point geometry with plug chamfer. It is designed for threading steel and stainless steel to accept screw thread inserts.

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.

How to select the correct OSG STI Tap for a job?

Select the OSG STI Tap based on thread size (e.g., 9/16"-18 UNF), material (steel or stainless steel), and required thread class (H4 / 2B-3B). Use a spiral-point tap for through-hole applications. Always match the tap to the insert manufacturer's specifications.

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 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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