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OSG Spiral Point Tap: #4-40 UNC, H5 / 2B, 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, H5 / 2B, 2 Flute, Plug Chamfer

The OSG Spiral Point Tap (#4-40 UNC, MPN 1759308) is a spiral-point tap for steel and stainless steel, featuring an H5 / 2B tolerance, 2-flute design, plug chamfer, and V coated powdered metal construction. 3G…

SKU 3G-OTH-224449

Brand
OSG
Item
Spiral Point Tap: #4-40 UNC, H5 / 2B, 2 Flute, Plug Chamfer
Category
Spiral-Point Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1759308
Type
H5 / 2B, 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 1759308) is a spiral-point tap for steel and stainless steel, featuring an H5 / 2B 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 a trust anchor — 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 design pushes chips ahead, reducing clogging and breakage. The V-coated powdered metal construction provides wear resistance and longer tool life in production environments.

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

This OSG tap has a #4-40 UNC thread size, H5 tolerance for 2B class fit, 2 flutes, and a plug chamfer. It is made of V-coated powdered metal (MPN 1759308). The spiral point geometry is optimized for through-hole threading in steel and stainless steel.

Where to buy OSG spiral point taps in worldwide?

3G Electric supplies OSG spiral point taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on the #4-40 UNC tap (MPN 1759308). We source and deliver to any country.

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

For steel and stainless steel, choose a spiral point tap with a plug chamfer and V-coated powdered metal for chip evacuation and durability. Match the thread size (e.g., #4-40 UNC) and tolerance (H5 for 2B fit) to your hole specifications. OSG taps are designed for production threading in these materials.

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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