OSG Screw Thread Insert STI Tap: Straight Fute, 3/8"-24 UNF, H3 / 2B-3B, 4 Flute
The OSG Screw Thread Insert STI Tap is a general-purpose STI tap with a straight flute design, sized 3/8"-24 UNF. It features an H3 / 2B-3B tolerance, 4 flutes, and a plug chamfer (MPN 6018600). 3G Electric sources…
SKU 3G-OTH-262169
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Product Description
The OSG Screw Thread Insert STI Tap is a general-purpose STI tap with a straight flute design, sized 3/8"-24 UNF. It features an H3 / 2B-3B tolerance, 4 flutes, and a plug chamfer (MPN 6018600). 3G Electric sources this genuine OSG tool across 14 industrial departments, with specialist expertise in combustion, pumps, and controls ensuring accurate specification and support.
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 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 6018600?
The OSG STI Tap 6018600 has a thread size of 3/8"-24 UNF, a thread class of H3 / 2B-3B, 4 flutes, and a plug chamfer. It is a straight flute, general-purpose tap designed for screw thread insert installation. The manufacturer part number is 6018600.
Where to buy OSG STI Tap 6018600 worldwide?
You can source the OSG STI Tap 6018600 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 on this OSG tap.
How to select the correct OSG STI tap for a thread repair?
To select the correct OSG STI tap, match the tap thread size and pitch to the insert you plan to install. For the 6018600, use it with a 3/8"-24 UNF insert. Ensure the tap drill size matches the STI tap's recommended hole diameter, and choose a plug chamfer for through or blind holes.
Used in
Common applications for OSGOSG 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.















