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OSG Screw Thread Insert STI Tap: Straight Fute, 5/16"-18 UNC, H4 / 2B-3B, 4 Flute - General Purpose STI Taps
OSGGeneral Purpose STI Taps

OSG Screw Thread Insert STI Tap: Straight Fute, 5/16"-18 UNC, H4 / 2B-3B, 4 Flute

SKU 3G-OTH-262082

Brand
OSG
Item
Screw Thread Insert STI Tap: Straight Fute, 5/16"-18 UNC, H4 / 2B-3B, 4 Flute
Category
General Purpose STI Taps
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Technical Specifications

OSG
Manufacturer Part Number
6015600
Type
H4 / 2B-3B, Plug Chamfer
Flute
4
UNC
5/16"-18
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

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 metal to accept helical wire thread inserts. It is used in manufacturing and repair applications where stripped threads need reinforcement, ensuring strong, reusable threads in softer materials like aluminum or cast iron.

What are the specifications of the OSG STI Tap 6015600?

The OSG STI Tap 6015600 has a 5/16"-18 UNC thread size, H4 / 2B-3B tolerance, 4 flutes, and a plug chamfer. It is a general-purpose straight flute tap designed for screw thread insert installation, providing precise thread class control for industrial tapping operations.

Where to buy OSG STI Tap 6015600 worldwide?

3G Electric supplies the OSG STI Tap 6015600 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this general-purpose STI tap for thread insert applications.

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"-18 UNC. The tap tolerance (e.g., H4 / 2B-3B) must align with the insert manufacturer's recommendation. Always verify the tap's plug chamfer and flute count suit your material and hole depth.

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 general purpose 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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