We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

OSG Screw Thread Insert STI Tap: Spiral Point, 5/16"-24 UNF, H3 / 2B-3B, 3 Flute - Spiral-Point STI Taps for Multiple Materials
OSGSpiral-Point STI Taps for Multiple Materials

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

The OSG Screw Thread Insert STI Tap is a spiral-point tap for multiple materials, specified as 5/16"-24 UNF with H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 1715608). This tool is designed for threading…

SKU 3G-OTH-284633

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Point, 5/16"-24 UNF, H3 / 2B-3B, 3 Flute
Category
Spiral-Point STI Taps for Multiple Materials
Available to Order
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Technical specs
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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
1715608
Type
H3 / 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 multiple materials, specified as 5/16"-24 UNF with H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 1715608). This tool is designed for threading holes to accept screw thread inserts, with the spiral-point geometry aiding chip evacuation in through-hole applications.

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 multiple materials before installing a helical coil thread insert. It is commonly applied in aerospace, automotive, and general manufacturing where thread repair or reinforcement is needed.

What are the specifications of the OSG STI Tap 1715608?

The OSG STI Tap 1715608 has a UNF thread size of 5/16"-24, a tolerance of H3 / 2B-3B, 3 flutes, and a plug chamfer. It is a spiral-point design for through-hole threading in multiple materials.

Where to buy OSG STI Tap 1715608 worldwide?

3G Electric supplies the OSG STI Tap 1715608 worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this spiral-point tap for thread insert installation.

How to select the correct STI tap for thread inserts?

Select an STI tap that matches the thread insert's size and pitch, such as 5/16"-24 UNF. Use a tap with H3 tolerance for 2B-3B class fit. OSG taps like the 1715608 are designed for multiple materials and provide consistent thread quality.

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 spiral-point sti taps for multiple materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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