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OSG 7/16"-20 UNF Spiral-Point Tap, H7 / 2B-3B, 3 Flute, Plug Chamfer - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG 7/16"-20 UNF Spiral-Point Tap, H7 / 2B-3B, 3 Flute, Plug Chamfer

OSG General Purpose Spiral-Point Taps.

SKU 3G-OTH-215854

Brand
OSG
Item
7/16"-20 UNF Spiral-Point Tap, H7 / 2B-3B, 3 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
2842501

Technical Documents

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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

OSG General Purpose Spiral-Point Taps.

Frequently Asked Questions

What is the OSG Spiral Point Tap 2842501 used for?

The OSG Spiral Point Tap 2842501 is a general-purpose tap designed for through-hole threading in ferrous and non-ferrous materials. Its spiral-point geometry pushes chips forward, reducing chip clogging and enabling faster production threading in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG Spiral Point Tap 2842501?

This OSG tap has a thread size of 7/16"-20 UNF, with a tolerance class of H7 / 2B-3B. It features 3 flutes and a plug chamfer. The manufacturer part number is 2842501. It is designed for through-hole threading and is suitable for general-purpose tapping in a range of materials.

Where to buy the OSG Spiral Point Tap 2842501 worldwide?

You can source the OSG Spiral Point Tap 2842501 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply this OSG tap to customers across multiple industries.

How to select the correct OSG Spiral Point Tap for a job?

Select the OSG Spiral Point Tap based on thread size, pitch, and tolerance class matching your application. For through holes, a spiral-point tap like this 7/16"-20 UNF with H7 / 2B-3B tolerance is ideal. Ensure the tap chamfer (plug) suits the hole depth. Always use proper cutting fluid and machine alignment 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 general purpose spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Spiral-point tap designed for through-hole threading in metal, steel, and alloys. The spiral point pushes chips forward to prevent clogging. Thread size 7/16"-20 UNF with H7 / 2B-3B tolerance, 3 flutes, and plug chamfer
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