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OSG 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 Spiral-Point STI Tap for Steel & Stainless Steel

The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, specified as 5/16"-24 UNF with H2 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30101208). 3G Electric interprets this…

SKU 3G-OTH-265446

Brand
OSG
Item
Spiral-Point STI Tap for Steel & Stainless Steel
Part Number
30101208
Category
Spiral-Point STI Taps for Steel & Stainless Steel
Available to Order
Also known as:30101208OSG
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

OSG
Manufacturer Part Number
30101208
Type
H2 / 2B-3B, Plug Chamfer
Flute
3
UNF
5/16"-24

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 steel and stainless steel, specified as 5/16"-24 UNF with H2 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30101208). 3G Electric interprets this demand and sources the genuine OSG tool, backed by specialist expertise across 14 industrial departments — including cutting tools — to ensure you get the right threading solution.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

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

An OSG Screw Thread Insert STI Tap is used to cut internal threads in steel and stainless steel for installing helical wire thread inserts. It is commonly applied in aerospace, automotive, and general manufacturing where strong, wear-resistant threads are required in softer base materials.

What are the specifications of the OSG 30101208 STI Tap?

The OSG 30101208 is a spiral-point STI tap with 5/16"-24 UNF thread, H2 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for threading holes that will accept screw thread inserts in steel and stainless steel workpieces.

Where to buy OSG STI Taps worldwide?

3G Electric supplies OSG STI Taps worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the OSG 30101208 or any OSG threading tool.

How to select the correct STI tap size for a thread insert?

Select an STI tap that matches the thread insert's nominal size and pitch, such as 5/16"-24 UNF. The tap tolerance (e.g., H2 / 2B-3B) must align with the insert manufacturer's recommendation. Always verify the tap's plug chamfer length suits the hole depth and material.

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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