OSG Straight Flute Tap: 1/4"-20 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer, Cobalt (MPN 1745500)
SKU 3G-OTH-265668
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Frequently Asked Questions
What is OSG straight flute tap 1745500 used for?
The OSG 1745500 straight flute tap is designed for threading mold and tool steels. Its cobalt construction and plug chamfer make it suitable for through-hole and blind-hole tapping in hardened materials up to 45 HRC, common in die and mold manufacturing.
What are the specifications of OSG tap 1745500?
This OSG tap has a 1/4"-20 UNC thread size, H3 tolerance for 2B/3B fit, 3 flutes, and a plug chamfer. It is made from cobalt high-speed steel for heat resistance and wear life in tough alloys. Manufacturer part number is 1745500.
Where to buy OSG 1745500 tap worldwide?
3G Electric supplies the OSG 1745500 straight flute tap to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this cobalt tap for mold and tool steel threading.
How to select the right tap for mold steel?
For mold and tool steels, choose a cobalt or carbide tap with a plug chamfer for blind holes. The OSG 1745500 with H3 tolerance provides precise thread fit in hardened materials. Ensure proper lubrication and peck tapping to reduce tool wear and breakage.
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Common applications for OSGOSG Products
3G Electric supplies OSG hand taps for mold & tool steels. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















