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OSG Screw Thread Insert STI Tap: Spiral Point, 1/4"-28 UNF, H3 / 2B-3B, 3 Flute - Spiral-Point STI Taps
OSGSpiral-Point STI Taps

OSG Screw Thread Insert STI Tap: Spiral Point, 1/4"-28 UNF, H3 / 2B-3B, 3 Flute

The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for threading holes to accept screw thread inserts. This specific model (MPN 1832200) features a 1/4"-28 UNF thread size, H3 / 2B-3B tolerance, 3…

SKU 3G-OTH-286996

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Point, 1/4"-28 UNF, H3 / 2B-3B, 3 Flute
Category
Spiral-Point STI Taps
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Technical Specifications

OSG
Manufacturer Part Number
1832200
Type
H3 / 2B-3B, Plug Chamfer
Flute
3
UNF
1/4"-28
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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 designed for threading holes to accept screw thread inserts. This specific model (MPN 1832200) features a 1/4"-28 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer, making it suitable for producing internal threads in a range of materials.

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 workpiece before installing a helical wire 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 1832200?

The OSG STI Tap 1832200 is a spiral-point tap with a 1/4"-28 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for threading holes that will accept screw thread inserts, ensuring precise fit and thread strength.

Where to buy OSG STI Tap 1832200 worldwide?

You can source the OSG STI Tap 1832200 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct tap for your threading application.

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

Select an OSG STI Tap by matching the thread size and pitch to the insert you plan to install. For the 1832200 model, use it with 1/4"-28 UNF inserts. Ensure the tap tolerance (H3 / 2B-3B) aligns with your required thread class for proper insert seating.

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. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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