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OSG Screw Thread Insert STI Tap: Spiral Point, 7/16"-20 UNF, H3 / 2B-3B, 3 Flute - Spiral-Point STI Taps for Steel & Stainless Steel
OSGSpiral-Point STI Taps for Steel & Stainless Steel

OSG Screw Thread Insert STI Tap: Spiral Point, 7/16"-20 UNF, H3 / 2B-3B, 3 Flute

The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, specified as 7/16"-20 UNF with H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30101908). 3G Electric sources this…

SKU 3G-OTH-265409

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Point, 7/16"-20 UNF, H3 / 2B-3B, 3 Flute
Category
Spiral-Point STI Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
30101908
Type
H3 / 2B-3B, Plug Chamfer
Flute
3
UNF
7/16"-20
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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 7/16"-20 UNF with H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30101908). 3G Electric sources this genuine OSG tool across 14 industrial departments, with specialist expertise in combustion, pumps, and controls ensuring accurate sourcing 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 the OSG Screw Thread Insert STI Tap used for?

This OSG spiral-point STI tap is designed for cutting internal threads in steel and stainless steel before installing screw thread inserts. It is commonly used in aerospace, automotive, and industrial maintenance applications where thread repair or reinforcement is required.

What are the specifications of the OSG STI Tap 30101908?

The OSG STI tap has a 7/16"-20 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is a spiral-point design for steel and stainless steel. The manufacturer part number is 30101908.

Where to buy OSG STI Tap 30101908 worldwide?

3G Electric supplies the OSG STI Tap 30101908 to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

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

Select an STI tap that matches the thread insert size and class. For 7/16"-20 UNF inserts, use a tap with H3 / 2B-3B tolerance and plug chamfer. OSG taps are designed for steel and stainless steel; ensure the tap material suits your workpiece.

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 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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