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

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

The OSG Spiral Flute Tap (#12-28 UNF) is a bottoming-chamfer, 3-flute tap made of V-coated powdered metal, with an H3 / 2B-3B tolerance class (MPN 1650510308). 3G Electric interprets your demand for this specific OEM…

SKU 3G-OTH-218673

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

OSG
Manufacturer Part Number
1650510308
Type
H3 / 2B-3B, Bottoming Chamfer, V Coated Powdered Metal
Flute
3
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Spiral Flute Tap (#12-28 UNF) is a bottoming-chamfer, 3-flute tap made of V-coated powdered metal, with an H3 / 2B-3B tolerance class (MPN 1650510308). 3G Electric interprets your demand for this specific OEM threading tool and delivers it as part of our broad industrial supply across 14 departments, with specialist depth in cutting tools and controls.

Frequently Asked Questions

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

This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its bottoming chamfer allows threading close to the hole bottom, while the V coating on powdered metal reduces friction and extends tool life in demanding industrial applications.

What are the specifications of the OSG spiral flute tap 1650510308?

The OSG tap has a #12-28 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer. It is made of V coated powdered metal. The manufacturer part number is 1650510308. These specs ensure precise threading in steel and stainless steel workpieces.

Where to buy OSG taps in worldwide?

You can source OSG taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG spiral flute tap model 1650510308.

How to select the right OSG tap for stainless steel?

For stainless steel, choose a tap with a V coating and powdered metal construction like this OSG model. The bottoming chamfer suits blind holes, while the H3 / 2B-3B tolerance provides a precise fit. Always match thread size and flute count to your material and hole type for best results.

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-flute 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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