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OSG Spiral Flute Tap: 7/8"-14 UNF, H6 / 2B-3B, 4 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: 7/8"-14 UNF, H6 / 2B-3B, 4 Flute

The OSG Spiral Flute Tap (7/8"-14 UNF) is a spiral-flute tap for steel and stainless steel, featuring an H6 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer (MPN 1650505008). 3G Electric interprets…

SKU 3G-OTH-218762

Brand
OSG
Item
Spiral Flute Tap: 7/8"-14 UNF, H6 / 2B-3B, 4 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1650505008
Type
H6 / 2B-3B, Modified Bottoming Chamfer
Flute
4
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Spiral Flute Tap (7/8"-14 UNF) is a spiral-flute tap for steel and stainless steel, featuring an H6 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer (MPN 1650505008). 3G Electric interprets demand and delivers this genuine industrial tool across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.

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 7/8"-14 UNF used for?

This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward, making it ideal for deep-hole tapping. It is commonly used in automotive, aerospace, and general manufacturing applications where precise UNF threads are required.

What are the specifications of the OSG spiral flute tap 7/8"-14 UNF?

The OSG spiral flute tap has a thread size of 7/8"-14 UNF, with a tolerance of H6 for the tap and 2B-3B for the nut. It features 4 flutes and a modified bottoming chamfer. The manufacturer part number is 1650505008. This tap is suitable for threading steel and stainless steel materials.

Where to buy the OSG spiral flute tap 7/8"-14 UNF worldwide?

You can source the OSG spiral flute tap 7/8"-14 UNF worldwide through 3G Electric. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this OSG tap.

How to select the correct OSG spiral flute tap for steel?

To select the correct OSG spiral flute tap for steel, match the thread size (e.g., 7/8"-14 UNF) and tolerance class (H6 for tap, 2B-3B for nut) to your application. For blind holes, use a spiral flute design with a modified bottoming chamfer. Ensure the tap is rated for steel and stainless steel as specified by OSG.

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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