Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
OSG Spiral Point Tap: #4-40 UNC, H4 / 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, H4 / 2B-3B, 2 Flute

OSG Spiral-Point Taps for Steel & Stainless Steel.

SKU 3G-OTH-223911

Brand
OSG
Item
Spiral Point Tap: #4-40 UNC, H4 / 2B-3B, 2 Flute
Category
Spiral-Point Taps for Steel & Stainless Steel
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
1759201

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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 steel and stainless steel. Its spiral-point geometry pushes chips forward, making it ideal for through-hole applications in automotive, aerospace, and general manufacturing where clean, efficient thread cutting is required.

What are the specifications of the OSG Spiral Point Tap #4-40 UNC?

This OSG tap has a #4-40 UNC thread size, H4 / 2B-3B tolerance class, 2-flute design, and plug chamfer. The MPN is 1759201. It is a spiral-point tap engineered for steel and stainless steel, ensuring precise thread formation in through-hole operations.

Where to buy the OSG Spiral Point Tap #4-40 UNC worldwide?

You can source the OSG Spiral Point Tap #4-40 UNC worldwide through 3G Electric. As a global industrial distributor, 3G Electric handles 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 Point Tap for steel?

For steel, select an OSG spiral-point tap with the correct thread size, such as #4-40 UNC, and a tolerance class like H4 / 2B-3B. Ensure the tap is designed for steel and stainless steel. Use a plug chamfer for through-holes and verify the tap matches your material hardness.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Spiral Point Tap: #4-40 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer (MPN 1734801)
OSG
OSG Spiral Point Tap: #4-40 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer (MPN 1734801)
OSG Spiral Point Tap: 3/8"-24 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer (MPN 1701101)
OSG
OSG Spiral Point Tap: 3/8"-24 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer (MPN 1701101)
Spiral-point tap for threading through-holes in steel and stainless steel. Features a #4-40 UNC thread size, H3 / 2B-3B tolerance class, 2-flute design, and plug chamfer. The spiral-point geometry pushes chips forward to reduce clogging and breakage, making it suitable for general manufacturing applications requiring precise internal threads
OSG
Spiral-point tap for threading through-holes in steel and stainless steel. Features a #4-40 UNC thread size, H3 / 2B-3B tolerance class, 2-flute design, and plug chamfer. The spiral-point geometry pushes chips forward to reduce clogging and breakage, making it suitable for general manufacturing applications requiring precise internal threads
OSG Spiral Point Tap: #4-40 UNC, H2 / 2B-3B, 2 Flute, Plug Chamfer (MPN 1730001)
OSG
OSG Spiral Point Tap: #4-40 UNC, H2 / 2B-3B, 2 Flute, Plug Chamfer (MPN 1730001)
OSG Spiral Point Tap: 1/4"-28 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer (MPN 1700301)
OSG
OSG Spiral Point Tap: 1/4"-28 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer (MPN 1700301)
OSG Spiral Point Tap: #4-40 UNC, H2 / 2B-3B, 2 Flute, Plug Chamfer (MPN 1757001)
OSG
OSG Spiral Point Tap: #4-40 UNC, H2 / 2B-3B, 2 Flute, Plug Chamfer (MPN 1757001)

More from OSG

View all OSG parts →
Spiral-point tap designed for threading blind or through holes in steel and stainless steel. The spiral point pushes chips forward to reduce clogging and breakage. Features 1/2"-13 UNC thread size, H7 / 2B-3B tolerance class, 3 flutes, and plug chamfer. Suitable for general manufacturing applications requiring precise internal threads
OSG
Spiral-point tap designed for threading blind or through holes in steel and stainless steel. The spiral point pushes chips forward to reduce clogging and breakage. Features 1/2"-13 UNC thread size, H7 / 2B-3B tolerance class, 3 flutes, and plug chamfer. Suitable for general manufacturing applications requiring precise internal threads
Spiral-point tap for threading blind or through holes in steel and stainless steel. Features a V-coated powdered metal construction with 3 flutes and plug chamfer. Metric thread size M5.5 with 0.5 mm pitch, tolerance class D3 / 4H-6H. Spiral-point geometry pushes chips forward for efficient chip evacuation
OSG
Spiral-point tap for threading blind or through holes in steel and stainless steel. Features a V-coated powdered metal construction with 3 flutes and plug chamfer. Metric thread size M5.5 with 0.5 mm pitch, tolerance class D3 / 4H-6H. Spiral-point geometry pushes chips forward for efficient chip evacuation
Spiral-point tap designed for threading through-holes in steel and stainless steel. The spiral point design pushes chips forward, preventing clogging and ensuring clean threads. Features 3/4"-10 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and plug chamfer. Suitable for general manufacturing applications requiring precise UNC threads
OSG
Spiral-point tap designed for threading through-holes in steel and stainless steel. The spiral point design pushes chips forward, preventing clogging and ensuring clean threads. Features 3/4"-10 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and plug chamfer. Suitable for general manufacturing applications requiring precise UNC threads
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
OSG
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
Spiral point tap for threading steel and stainless steel. Features a 5/16"-24 UNF thread, H3 / 2B-3B tolerance, 3 flutes, and plug chamfer. Designed for through-hole applications, pushing chips ahead for clean thread formation
OSG
Spiral point tap for threading steel and stainless steel. Features a 5/16"-24 UNF thread, H3 / 2B-3B tolerance, 3 flutes, and plug chamfer. Designed for through-hole applications, pushing chips ahead for clean thread formation
Spiral point tap for threading steel and stainless steel. Features a D5 / 4H-6H tolerance class, plug chamfer, and V coated powdered metal construction with 3 flutes. Designed for blind or through holes, pushing chips forward to reduce clogging
OSG
Spiral point tap for threading steel and stainless steel. Features a D5 / 4H-6H tolerance class, plug chamfer, and V coated powdered metal construction with 3 flutes. Designed for blind or through holes, pushing chips forward to reduce clogging
Spiral-point tap for threading through-holes in steel and stainless steel. Features a V coated powdered metal construction with H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. The spiral-point design pushes chips forward to prevent clogging during production tapping
OSG
Spiral-point tap for threading through-holes in steel and stainless steel. Features a V coated powdered metal construction with H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. The spiral-point design pushes chips forward to prevent clogging during production tapping
Spiral-point tap for threading steel and stainless steel. Metric size M18x1.5 with D6 / 4H-6H tolerance class. Features 3 flutes and a plug chamfer. Designed for through-hole applications, the spiral point pushes chips forward to prevent clogging
OSG
Spiral-point tap for threading steel and stainless steel. Metric size M18x1.5 with D6 / 4H-6H tolerance class. Features 3 flutes and a plug chamfer. Designed for through-hole applications, the spiral point pushes chips forward to prevent clogging