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OSG Spiral Point Tap: #12-28 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer - Spiral-Point Taps for Steel & Stainless Steel
OSGSpiral-Point Taps for Steel & Stainless Steel

OSG Spiral Point Tap: #12-28 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer

The OSG Spiral Point Tap (#12-28 UNF) is a spiral-point tap for steel and stainless steel, featuring an H3 / 2B-3B tolerance, 3-flute design, plug chamfer, and V coated powdered metal construction (MPN 1651501508).

SKU 3G-OTH-224006

Brand
OSG
Item
Spiral Point Tap: #12-28 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer
Category
Spiral-Point Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1651501508
Type
H3 / 2B-3B, Plug Chamfer, V Coated Powdered Metal
Flute
3
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Spiral Point Tap (#12-28 UNF) is a spiral-point tap for steel and stainless steel, featuring an H3 / 2B-3B tolerance, 3-flute design, plug chamfer, and V coated powdered metal construction (MPN 1651501508).

Frequently Asked Questions

What is the OSG spiral point tap #12-28 UNF used for?

This OSG spiral point tap is designed for threading blind or through holes in steel and stainless steel. Its V coated powdered metal construction and plug chamfer make it suitable for high-speed production tapping, providing chip evacuation forward to prevent clogging.

What are the specifications of the OSG spiral point tap #12-28 UNF?

The OSG spiral point tap has a #12-28 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is made of V coated powdered metal, with manufacturer part number 1651501508. This tap is designed for steel and stainless steel applications.

Where to buy OSG spiral point taps in worldwide?

3G Electric supplies OSG spiral point taps worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this OSG tap (MPN 1651501508) for your threading operations.

How to select the right OSG spiral point tap for steel?

Select an OSG spiral point tap based on thread size, tolerance class (e.g., H3 / 2B-3B), and material. For steel and stainless steel, choose a V coated powdered metal tap with plug chamfer for through holes. Ensure the tap matches your hole depth and machine speed for optimal 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 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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