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OSG Spiral Flute Tap: 1/4"-28 UNF, H3 / 2B-3B, 3 Flute, Bottoming Chamfer - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: 1/4"-28 UNF, H3 / 2B-3B, 3 Flute, Bottoming Chamfer

The OSG Spiral Flute Tap (MPN 1430300) is a general-purpose spiral-flute tap in 1/4"-28 UNF size, featuring a bottoming chamfer and three flutes. It is made from high-speed steel with an H3 / 2B-3B tolerance class…

SKU 3G-OTH-229892

Brand
OSG
Item
Spiral Flute Tap: 1/4"-28 UNF, H3 / 2B-3B, 3 Flute, Bottoming Chamfer
Category
General Purpose Spiral-Flute Taps
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Technical Specifications

OSG
Manufacturer Part Number
1430300
Type
H3 / 2B-3B, Bottoming Chamfer, High Speed Steel
Flute
3
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Spiral Flute Tap (MPN 1430300) is a general-purpose spiral-flute tap in 1/4"-28 UNF size, featuring a bottoming chamfer and three flutes. It is made from high-speed steel with an H3 / 2B-3B tolerance class, designed for threading blind holes in a range of materials.

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 spiral flute tap 1/4-28 UNF used for?

This OSG spiral flute tap is used for threading blind holes in materials such as steel and aluminum. Its spiral flute design evacuates chips upward, preventing clogging. The 1/4-28 UNF thread size and bottoming chamfer make it suitable for precision threading applications in automotive, aerospace, and general manufacturing.

What are the specifications of the OSG 1430300 tap?

The OSG 1430300 is a spiral flute tap with thread size 1/4-28 UNF, H3 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer. It is made of high-speed steel (HSS) and is designed for general purpose threading. The manufacturer part number is 1430300.

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 1430300 spiral flute tap.

How to select the right OSG tap for blind holes?

For blind holes, choose a spiral flute tap like the OSG 1430300 to evacuate chips upward. Ensure the thread size (1/4-28 UNF), chamfer type (bottoming), and tolerance (H3 / 2B-3B) match your application. Use proper cutting fluid and machine speed per OSG recommendations 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 general purpose spiral-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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