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OSG Spiral Flute Tap: 1/4"-20 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: 1/4"-20 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer

The OSG Spiral Flute Tap (1/4"-20 UNC, MPN 1650510608) is a bottoming-chamfer tap with 3 flutes, designed for steel and stainless steel. It features a V Coated Powdered Metal construction with H3 / 2B-3B tolerance…

SKU 3G-OTH-218843

Brand
OSG
Item
Spiral Flute Tap: 1/4"-20 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1650510608
Type
H3 / 2B-3B, Bottoming Chamfer, V Coated Powdered Metal
Flute
3

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

Product Description

The OSG Spiral Flute Tap (1/4"-20 UNC, MPN 1650510608) is a bottoming-chamfer tap with 3 flutes, designed for steel and stainless steel. It features a V Coated Powdered Metal construction with H3 / 2B-3B tolerance class. 3G Electric sources this genuine OSG tap as part of our industrial supply across 14 departments, with specialist expertise in cutting tools and precision threading.

Frequently Asked Questions

What is the OSG spiral flute tap 1/4-20 UNC used for?

This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its bottoming chamfer allows threading close to the hole bottom, while the V coating on powdered metal enhances wear resistance and chip evacuation in demanding industrial applications.

What are the specifications of the OSG 1/4-20 UNC spiral flute tap?

The OSG tap has a 1/4-20 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer. It is made of V coated powdered metal, with manufacturer part number 1650510608. This design is optimized for threading steel and stainless steel in blind holes.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner, we provide this OSG spiral flute tap (MPN 1650510608) to industrial buyers. Contact us for availability and lead time to your location.

How to select the correct OSG tap for stainless steel?

For stainless steel, choose a tap with a spiral flute design for chip evacuation, a bottoming chamfer for blind holes, and a coating like V coated powdered metal for heat resistance. The OSG 1/4-20 UNC tap with H3 / 2B-3B tolerance meets these requirements for precise 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 spiral-flute 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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