OSG Spiral Point Tap: 1/4"-28 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer
The OSG Spiral Point Tap (1/4"-28 UNF, MPN 1651501908) is a spiral-point tap for steel and stainless steel, featuring a H3 / 2B-3B tolerance, plug chamfer, 3 flutes, and V coated powdered metal construction. 3G…
SKU 3G-OTH-224376
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Product Description
The OSG Spiral Point Tap (1/4"-28 UNF, MPN 1651501908) is a spiral-point tap for steel and stainless steel, featuring a H3 / 2B-3B tolerance, plug chamfer, 3 flutes, and V coated powdered metal construction. 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.
Frequently Asked Questions
What is OSG spiral point tap 1/4-28 UNF used for?
This OSG spiral point tap is designed for threading blind or through holes in steel and stainless steel. Its 3-flute plug chamfer and V coated powdered metal construction push chips forward, reducing clogging in production tapping applications.
What are the specifications of OSG spiral point tap 1/4-28 UNF?
The OSG tap has a 1/4-28 UNF thread, H3 / 2B-3B tolerance, 3 flutes, plug chamfer, and V coated powdered metal. The manufacturer part number is 1651501908. It is intended for steel and stainless steel workpieces.
Where to buy OSG spiral point tap 1/4-28 UNF worldwide?
3G Electric supplies OSG taps and delivers worldwide, handling logistics and customs clearance. We source genuine industrial cutting tools across 14 departments, including threading solutions for steel and stainless steel applications.
How to select the right spiral point tap for steel?
For steel, choose a spiral point tap with a plug chamfer and coating like V coated powdered metal to manage chip evacuation. Match thread size (e.g., 1/4-28 UNF) and tolerance class (H3 / 2B-3B) to your hole requirements. Consult OSG application data for material-specific speeds.
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Common applications for OSGOSG 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.













