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OSG Screw Thread Insert STI Tap: Straight Fute, 5/16"-24 UNF, H3 / 2B-3B, 4 Flute - General Purpose STI Taps
OSGGeneral Purpose STI Taps

OSG Screw Thread Insert STI Tap: Straight Fute, 5/16"-24 UNF, H3 / 2B-3B, 4 Flute

The OSG Screw Thread Insert STI Tap (SKU 33ZL24, MPN 6016600) is a general-purpose STI tap with a straight flute design, sized at 5/16"-24 UNF. It features an H3 / 2B-3B tolerance class, a bottoming chamfer, and 4…

SKU 3G-OTH-262071

Brand
OSG
Item
Screw Thread Insert STI Tap: Straight Fute, 5/16"-24 UNF, H3 / 2B-3B, 4 Flute
Category
General Purpose STI Taps
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Technical Specifications

OSG
Manufacturer Part Number
6016600
Type
H3 / 2B-3B, Bottoming Chamfer
Flute
4
UNF
5/16"-24
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Screw Thread Insert STI Tap (SKU 33ZL24, MPN 6016600) is a general-purpose STI tap with a straight flute design, sized at 5/16"-24 UNF. It features an H3 / 2B-3B tolerance class, a bottoming chamfer, and 4 flutes, designed for threading holes to accept screw thread inserts.

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 a pre-drilled hole before installing a helical wire thread insert. It is commonly applied in automotive, aerospace, and general manufacturing to repair or reinforce threads in softer materials like aluminum or cast iron.

What are the specifications of the OSG STI Tap 6016600?

The OSG STI Tap 6016600 has a thread size of 5/16"-24 UNF, a thread tolerance of H3 / 2B-3B, 4 flutes, and a bottoming chamfer. It is a straight flute, general-purpose tap designed for use with screw thread inserts. The manufacturer part number is 6016600.

Where to buy OSG STI Tap 6016600 worldwide?

You can source the OSG STI Tap 6016600 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; we supply this tap to procurement teams and maintenance engineers globally.

How to select the correct OSG STI tap for thread repair?

To select the correct OSG STI tap, match the thread size and pitch (e.g., 5/16"-24 UNF) to the insert you plan to install. Choose a bottoming chamfer for blind holes or a plug chamfer for through holes. Ensure the tap tolerance (H3 / 2B-3B) aligns with the required thread class for your application.

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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