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Drillco® Nitro®-Max Spiral Point Tap, High Speed Cobalt, 7/16"-20 Thread, 3.94" L

Marsoni M251S
Sale price$146.90
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Drillco® Nitro®-Max Spiral Point Tap, High Speed Cobalt, 7/16"-20 Thread, 3.94" LManufactured to DIN ANSI specifications, with DIN lengths to allow for longer reach and deeper threading in a single pass TiCN (Titanium Carbo Nitride) coating helps to reduce galling, microwelding, seizing and adhesive wear Manufactured from M35 Cobalt (HSS E) with a high vanadium content, these taps offer higher heat resistance and red hardness over conventional high speed steel taps Specifications Material High Speed Cobalt Thread Size 7 16" 20 No.
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
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4.4 ★★★★★
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Michael Rhodes
Lake Worth, US
★★★★★ 5
Outboard thermostat
Works fine. A little pricey but better to buy the best than risk a cheap failure and destroy your engine like i did once.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
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carlos febus
Lowell, US
★★★★★ 5
Good
Good
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Reviewed in the United States on April 27, 2026
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Verified Purchase
Will Rhoden
Battle Creek, US
★★★★★ 5
Works as it should
Works as it should
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Reviewed in the United States on March 24, 2026
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kelly napper
Lowell, US
★★★★★ 4
Four Stars
Just what I needed
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Reviewed in the United States on October 14, 2016
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Paul Schneeman
San Leandro, US
★★★★★ 5
Functioned as advertized.
Installed these in my Whalers 96 200 Offshore. No issues, used permatex gasket compound on aluminum engine parts after cleaning with fine brass wire wheel.
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Reviewed in the United States on November 20, 2024

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