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

The OSG Spiral Point Tap (#4-40 UNC, MPN 1759108) is a spiral-point tap for steel and stainless steel, featuring an H3 / 2B-3B tolerance, 2-flute design, plug chamfer, and V coated powdered metal construction. 3G…

SKU 3G-OTH-223910

Brand
OSG
Item
Spiral Point Tap: #4-40 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer
Category
Spiral-Point Taps for Steel & Stainless Steel
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
1759108
Type
H3 / 2B-3B, Plug Chamfer, V Coated Powdered Metal
Flute
2

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

Product Description

The OSG Spiral Point Tap (#4-40 UNC, MPN 1759108) is a spiral-point tap for steel and stainless steel, featuring an H3 / 2B-3B tolerance, 2-flute design, plug chamfer, and V coated powdered metal construction. 3G Electric interprets customer demand and delivers this genuine industrial cutting tool across 14 departments — with specialist depth in combustion, pumps, and controls as an authorised distributor — ensuring you get the right answer, not just a catalog.

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 through-holes in steel and stainless steel. Its spiral point pushes chips ahead, preventing clogging. It is ideal for production tapping in automotive, aerospace, and general manufacturing where clean, accurate threads are required.

What are the specifications of the OSG spiral point tap 1759108?

The OSG spiral point tap (MPN 1759108) is #4-40 UNC with a H3 / 2B-3B thread limit. It has 2 flutes, a plug chamfer, and a V coated powdered metal construction. It is designed for tapping steel and stainless steel, offering durability and precision in through-hole applications.

Where to buy OSG taps in worldwide?

You can source OSG 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 the OSG spiral point tap 1759108 or other OSG tooling.

How to select the right OSG tap for steel?

Select an OSG tap based on material, thread size, and hole type. For through-holes in steel, a spiral point tap like the #4-40 UNC with V coating is effective. Ensure the thread class (e.g., H3 / 2B-3B) matches your tolerance needs. Consult OSG's technical data for optimal performance.

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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OSG Spiral Point Tap: 7/16"-14 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1758208)
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OSG Spiral Point Tap: 3/4"-16 UNF, H3 / 2B-3B, 4 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1758908)

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