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OSG General Purpose Spiral-Point Tap #4-40 UNC - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG General Purpose Spiral-Point Tap #4-40 UNC

OSG General Purpose Spiral-Point Taps.

SKU 3G-OTH-216008

Brand
OSG
Item
General Purpose Spiral-Point Tap #4-40 UNC
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
2816300

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 #4-40 UNC used for?

The OSG Spiral Point Tap #4-40 UNC is a general-purpose tap designed for through-hole threading in ferrous and non-ferrous materials. Its spiral-point design pushes chips forward, reducing chip clogging and enabling faster threading in production environments.

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, H4 / 2B-3B tolerance class, 2-flute design, and plug chamfer. The manufacturer part number is 2816300. It is suitable for general-purpose through-hole tapping in a range of materials.

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

3G Electric supplies the OSG Spiral Point Tap #4-40 UNC worldwide. As a global industrial distributor, 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 Point Tap for through-hole threading?

Select an OSG spiral point tap for through-hole applications where chips must be pushed ahead of the tap. Match the tap's thread size, pitch, and tolerance class (e.g., H4 / 2B-3B) to your hole specifications. Use a plug chamfer for general-purpose threading.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG spiral-point tap for through-hole threading, #4-40 UNC thread size, H4 / 2B-3B tolerance class, 2-flute design with plug chamfer. The spiral-point geometry pushes chips ahead to reduce clogging and enable faster production. Suitable for general-purpose tapping in ferrous and non-ferrous materials
OSG
OSG spiral-point tap for through-hole threading, #4-40 UNC thread size, H4 / 2B-3B tolerance class, 2-flute design with plug chamfer. The spiral-point geometry pushes chips ahead to reduce clogging and enable faster production. Suitable for general-purpose tapping in ferrous and non-ferrous materials
OSG Spiral Point Tap: #4-40 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer (MPN 2811408)
OSG
OSG Spiral Point Tap: #4-40 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer (MPN 2811408)
This OSG spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. The spiral-point geometry pushes chips forward, reducing clogging and enabling faster tapping cycles. It features a #4-40 UNC thread size, H4 / 2B-3B tolerance class, 2-flute design, and plug chamfer. Suitable for production environments requiring efficient chip evacuation
OSG
This OSG spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. The spiral-point geometry pushes chips forward, reducing clogging and enabling faster tapping cycles. It features a #4-40 UNC thread size, H4 / 2B-3B tolerance class, 2-flute design, and plug chamfer. Suitable for production environments requiring efficient chip evacuation
Spiral-point tap designed for through-hole threading applications. The spiral-point geometry pushes chips ahead, reducing clogging in materials such as steel and aluminum. Thread size #4-48 UNF with H2 tolerance for 2B-3B classes, 2 flutes, and plug chamfer. Suitable for production machining in general manufacturing
OSG
Spiral-point tap designed for through-hole threading applications. The spiral-point geometry pushes chips ahead, reducing clogging in materials such as steel and aluminum. Thread size #4-48 UNF with H2 tolerance for 2B-3B classes, 2 flutes, and plug chamfer. Suitable for production machining in general manufacturing
This spiral-point tap is designed for through-hole threading applications, where its geometry pushes chips forward to prevent clogging. Suitable for general-purpose threading in materials such as steel, aluminum, and cast iron. Features a #4-48 UNF thread size, H2 / 2B-3B tolerance class, 2 flutes, and a plug chamfer
OSG
This spiral-point tap is designed for through-hole threading applications, where its geometry pushes chips forward to prevent clogging. Suitable for general-purpose threading in materials such as steel, aluminum, and cast iron. Features a #4-48 UNF thread size, H2 / 2B-3B tolerance class, 2 flutes, and a plug chamfer
This OSG spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. It features a #8-32 UNC thread size, H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer. The spiral-point geometry pushes chips forward, reducing clogging and enabling faster tapping cycles in production environments
OSG
This OSG spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. It features a #8-32 UNC thread size, H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer. The spiral-point geometry pushes chips forward, reducing clogging and enabling faster tapping cycles in production environments

More from OSG

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OSG Spiral Point Tap: 3/8"-24 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2836801)
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OSG Spiral Point Tap: 3/8"-24 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2836801)
General purpose spiral-point tap for through-hole threading. Features a 3-flute design with plug chamfer and black oxide vanadium high-speed steel construction. Thread size 3/8"-16 UNC, class 2B fit. Spiral point pushes chips forward to reduce clogging in production tapping of steel and cast iron
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General purpose spiral-point tap for through-hole threading. Features a 3-flute design with plug chamfer and black oxide vanadium high-speed steel construction. Thread size 3/8"-16 UNC, class 2B fit. Spiral point pushes chips forward to reduce clogging in production tapping of steel and cast iron
General purpose spiral-point tap for threading through-holes in ferrous and non-ferrous materials. Features a #10-24 UNC thread size, H5 tolerance, 2B-3B class fit, 3 flutes, and plug chamfer. The spiral-point design pushes chips forward, reducing clogging and enabling efficient tapping in production environments
OSG
General purpose spiral-point tap for threading through-holes in ferrous and non-ferrous materials. Features a #10-24 UNC thread size, H5 tolerance, 2B-3B class fit, 3 flutes, and plug chamfer. The spiral-point design pushes chips forward, reducing clogging and enabling efficient tapping in production environments
This is a general purpose spiral-point tap for threading #3-48 UNC holes. It features a 2-flute design, plug chamfer, and H3 / 2B-3B tolerance, made from high-speed steel. The spiral-point geometry pushes chips forward, making it suitable for through-hole and blind-hole threading in ferrous and non-ferrous materials
OSG
This is a general purpose spiral-point tap for threading #3-48 UNC holes. It features a 2-flute design, plug chamfer, and H3 / 2B-3B tolerance, made from high-speed steel. The spiral-point geometry pushes chips forward, making it suitable for through-hole and blind-hole threading in ferrous and non-ferrous materials
OSG general purpose spiral-point tap with 5/16"-18 UNC thread size, H3 / 2B-3B tolerance, 2-flute design, plug chamfer, and TiCN coated high-speed steel construction. Designed for threading blind or through holes in ferrous and non-ferrous materials, providing efficient chip evacuation in production tapping applications
OSG
OSG general purpose spiral-point tap with 5/16"-18 UNC thread size, H3 / 2B-3B tolerance, 2-flute design, plug chamfer, and TiCN coated high-speed steel construction. Designed for threading blind or through holes in ferrous and non-ferrous materials, providing efficient chip evacuation in production tapping applications
General purpose spiral-point tap for through-hole threading. Features a 7/16"-20 UNF thread size, H5 / 2B-3B tolerance, plug chamfer, and 3-flute design in high-speed steel. The spiral point pushes chips forward to reduce clogging and breakage. Suitable for production threading in automotive, aerospace, and general manufacturing applications
OSG
General purpose spiral-point tap for through-hole threading. Features a 7/16"-20 UNF thread size, H5 / 2B-3B tolerance, plug chamfer, and 3-flute design in high-speed steel. The spiral point pushes chips forward to reduce clogging and breakage. Suitable for production threading in automotive, aerospace, and general manufacturing applications
Metric spiral-point tap with M8x1.25 thread, 6H tolerance, 3 flutes, and plug chamfer. Designed for through-hole or blind-hole threading in metal, pushing chips forward to reduce clogging and enable efficient production tapping
OSG
Metric spiral-point tap with M8x1.25 thread, 6H tolerance, 3 flutes, and plug chamfer. Designed for through-hole or blind-hole threading in metal, pushing chips forward to reduce clogging and enable efficient production tapping
General purpose spiral-point tap for through-hole threading in ferrous and non-ferrous materials. Features M4x0.7 thread size, 6H tolerance, 3 flute design, and plug chamfer. Pushes chips forward to prevent clogging and ensure clean threads
OSG
General purpose spiral-point tap for through-hole threading in ferrous and non-ferrous materials. Features M4x0.7 thread size, 6H tolerance, 3 flute design, and plug chamfer. Pushes chips forward to prevent clogging and ensure clean threads