OSG Oversized Hand Tap: 5/16-18 UNC, 2B+, Plug Chamfer, Black Oxide HSS, 4 Flute
The OSG Straight Flute Tap (5/16"-18 UNC, MPN 1590701) is an oversized hand tap with a 2B+ tolerance, plug chamfer, and black oxide high-speed steel construction. Featuring 4 flutes, it is designed for threading…
SKU 3G-OTH-272781
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Product Description
The OSG Straight Flute Tap (5/16"-18 UNC, MPN 1590701) is an oversized hand tap with a 2B+ tolerance, plug chamfer, and black oxide high-speed steel construction. Featuring 4 flutes, it is designed for threading applications requiring precise oversized dimensions.
Frequently Asked Questions
What is OSG Straight Flute Tap 5/16"-18 UNC used for?
This OSG tap is used for threading holes in metal components, typically in machining and maintenance applications. Its 5/16"-18 UNC size suits standard coarse threads, while the 2B+ oversized tolerance allows for controlled thread fit after coating or plating.
What are the specifications of OSG Straight Flute Tap 5/16"-18 UNC?
This OSG tap has a 5/16"-18 UNC thread size, 2B+ tolerance, 4 flutes, plug chamfer, and black oxide high-speed steel construction. The manufacturer part number is 1590701. It is designed for through-hole or blind-hole threading in ferrous materials.
Where to buy OSG Straight Flute Tap 5/16"-18 UNC worldwide?
3G Electric supplies this OSG tap worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine OSG cutting tools and deliver to your facility. Contact us for pricing and lead time on this part number 1590701.
How to select the correct OSG tap for threading?
Select tap size matching the thread specification (e.g., 5/16"-18 UNC). Choose plug chamfer for blind holes or taper for through holes. Oversized taps like 2B+ allow for post-coating thread fit. Use proper cutting fluid and speed per material hardness for best results.
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3G Electric supplies OSG oversized hand taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.