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OSG Spiral Point Tap: #4-40 UNC, H3 / 2B-3B, 2 Flute - Spiral-Point Taps for Steel & Stainless Steel
OSGSpiral-Point Taps for Steel & Stainless Steel

OSG Spiral Point Tap: #4-40 UNC, H3 / 2B-3B, 2 Flute

OSG Spiral-Point Taps for Steel & Stainless Steel.

SKU 3G-OTH-223909

Brand
OSG
Item
Spiral Point Tap: #4-40 UNC, H3 / 2B-3B, 2 Flute
Category
Spiral-Point Taps for Steel & Stainless Steel
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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
1734801

Technical Documents

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

Product Description

OSG Spiral-Point Taps for Steel & Stainless Steel.

Frequently Asked Questions

What is the OSG spiral point tap #4-40 UNC used for?

The OSG spiral point tap #4-40 UNC is designed for threading blind or through holes in steel and stainless steel. Its spiral point design pushes chips forward, reducing chip clogging and improving thread quality. It is commonly used in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG spiral point tap #4-40 UNC?

The OSG spiral point tap has a #4-40 UNC thread size, H3 / 2B-3B tolerance class, 2 flute design, and plug chamfer. The manufacturer part number is 1734801. It is intended for threading steel and stainless steel materials, providing precise and reliable thread formation.

Where to buy OSG spiral point taps worldwide?

You can source OSG spiral point 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 this OSG tap model 1734801.

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

To select the correct OSG spiral point tap for steel, match the thread size (e.g., #4-40 UNC) and tolerance class (H3 / 2B-3B) to your application. Ensure the tap is designed for steel and stainless steel. OSG taps are known for durability and precision in demanding threading operations.

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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Spiral-point tap for threading through-holes in steel and stainless steel. Features a #4-40 UNC thread size, H3 / 2B-3B tolerance, 2-flute design, and plug chamfer. The spiral point pushes chips forward to reduce clogging and enable faster tapping
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Spiral-point tap for threading steel and stainless steel. #6-32 UNC thread size, H3 / 2B-3B tolerance, 2 flutes, plug chamfer. The spiral point design pushes chips ahead, reducing clogging and breakage in through or blind holes
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