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OSG Spiral Point Tap: #4-40 UNC, H2 / 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, H2 / 2B-3B, 2 Flute, Plug Chamfer

The OSG Spiral Point Tap (#4-40 UNC, MPN 1757008) is a H2 / 2B-3B, 2-flute, plug-chamfer tap with V Coated Powdered Metal construction, designed for threading steel and stainless steel. 3G Electric interprets this…

SKU 3G-OTH-224356

Brand
OSG
Item
Spiral Point Tap: #4-40 UNC, H2 / 2B-3B, 2 Flute, Plug Chamfer
Category
Spiral-Point Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1757008
Type
H2 / 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 1757008) is a H2 / 2B-3B, 2-flute, plug-chamfer tap with V Coated Powdered Metal construction, designed for threading steel and stainless steel. 3G Electric interprets this demand and sources the genuine OEM part, backed by specialist expertise across 14 industrial departments.

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 pushes chips ahead, reducing clogging. The V coated powdered metal construction provides wear resistance for production tapping.

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

This OSG tap has a #4-40 UNC thread, H2 / 2B-3B tolerance, 2 flutes, and a plug chamfer. It is made of V coated powdered metal. The manufacturer part number is 1757008. It is designed for steel and stainless steel applications.

Where to buy OSG spiral point taps worldwide?

You can source OSG spiral point taps worldwide through 3G Electric. 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 and other OSG tooling.

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

Select an OSG spiral point tap based on thread size, material, and hole type. For #4-40 UNC in steel, use a plug chamfer tap with V coating for heat resistance. Ensure the tap tolerance (H2 / 2B-3B) matches your required thread class. Always match tap to 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.

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