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OSG Spiral Flute Tap: 3/8"-24 UNF, H4 / 2B-3B, 3 Flute, Bottoming Chamfer - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: 3/8"-24 UNF, H4 / 2B-3B, 3 Flute, Bottoming Chamfer

The OSG Spiral Flute Tap (3/8"-24 UNF) is a bottoming-chamfer tap with a 3-flute design, made from V-coated powdered metal. It is rated H4 / 2B-3B (MPN 0143208) for threading steel and stainless steel.

SKU 3G-OTH-218646

Brand
OSG
Item
Spiral Flute Tap: 3/8"-24 UNF, H4 / 2B-3B, 3 Flute, Bottoming Chamfer
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
0143208
Type
H4 / 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 (3/8"-24 UNF) is a bottoming-chamfer tap with a 3-flute design, made from V-coated powdered metal. It is rated H4 / 2B-3B (MPN 0143208) for threading steel and stainless steel.

Frequently Asked Questions

What is the OSG spiral flute tap 0143208 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 provides wear resistance for production tapping.

What are the specifications of the OSG 3/8-24 UNF spiral flute tap?

The OSG tap has a 3/8-24 UNF thread size, H4 / 2B-3B tolerance, 3 flutes, bottoming chamfer, and V coated powdered metal construction. The manufacturer part number is 0143208. It is designed for steel and stainless steel applications.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us to source the OSG spiral flute tap 0143208 or other OSG tooling for your operations.

How to select the right OSG tap for stainless steel?

For stainless steel, choose a tap with a spiral flute design to evacuate chips upward in blind holes. The OSG 0143208 features a V coated powdered metal body for heat resistance. Ensure the thread class (H4 / 2B-3B) matches your required fit. Consult OSG's technical data for optimal speeds and feeds.

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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