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OSG Spiral Point Tap: 7/8"-14 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer - Spiral-Point Taps for Steel & Stainless Steel
OSGSpiral-Point Taps for Steel & Stainless Steel

OSG Spiral Point Tap: 7/8"-14 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer

SKU 3G-OTH-224210

Brand
OSG
Item
Spiral Point Tap: 7/8"-14 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer
Category
Spiral-Point Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1651505108
Type
H4 / 2B-3B, Plug Chamfer, V Coated Powdered Metal
Flute
3
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the OSG spiral point tap 7/8-14 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 provide efficient chip evacuation and extended tool life in production environments.

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

The OSG tap has a 7/8-14 UNF thread, H4 / 2B-3B tolerance, 3 flutes, plug chamfer, and V coated powdered metal. The manufacturer part number is 1651505108. It is intended for steel and stainless steel applications.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps worldwide, handling full logistics and customs clearance. We source genuine OSG cutting tools like the 7/8-14 UNF spiral point tap and deliver to industrial buyers globally. Contact us for availability and lead time.

How to select the correct OSG tap for steel threading?

Select an OSG tap based on thread size, material, and hole type. For steel and stainless steel, a spiral point tap with V coating and plug chamfer, like the 7/8-14 UNF H4 / 2B-3B, is suitable for through holes. Match the tap tolerance to your required thread class.

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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