OSG Straight Flute Tap: 1/4"-28 UNF, H4 / 2B-3B, 4 Flute
The OSG Straight Flute Tap (1/4"-28 UNF) is a straight-flute machine tap for hardened steel, featuring an H4 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer (MPN 1005111608). 3G Electric interprets this…
SKU 3G-OTH-216413
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Product Description
The OSG Straight Flute Tap (1/4"-28 UNF) is a straight-flute machine tap for hardened steel, featuring an H4 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer (MPN 1005111608). 3G Electric interprets this demand and sources the genuine OSG product, supporting your operation across 14 industrial departments with specialist depth in cutting tools and controls.
Frequently Asked Questions
What is the OSG Straight Flute Tap 1/4"-28 UNF used for?
This OSG straight flute tap is designed for threading hardened steel. It creates internal threads in blind or through holes using a modified bottoming chamfer and four flutes for chip clearance. Common applications include tool and die making, automotive, and aerospace component manufacturing where precise UNF threads are required.
What are the specifications of the OSG Straight Flute Tap 1/4"-28 UNF?
The tap has a 1/4"-28 UNF thread size, H4 / 2B-3B tolerance class, and a modified bottoming chamfer. It features 4 flutes and is designed for hardened steel. The manufacturer part number is 1005111608. OSG is the OEM brand for this precision threading tool.
Where to buy the OSG Straight Flute Tap 1/4"-28 UNF worldwide?
3G Electric supplies the OSG Straight Flute Tap 1/4"-28 UNF worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this precision threading tool.
How to select the correct OSG tap for hardened steel?
For hardened steel, choose a tap with appropriate hardness rating and chamfer type. This OSG tap uses a modified bottoming chamfer for blind holes and H4 / 2B-3B tolerance for precise fit. Ensure the thread size (1/4"-28 UNF) matches your application. Consult OSG's technical data for material-specific speeds and feeds.
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3G Electric supplies OSG straight-flute machine taps for hardened steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
