Medium Hook Pipe Tap, 3/8"-18, 4 Flutes, 80 mm L, High Speed Steel

Marsoni

M251S

$84.38

Get it in 3 business days with 1 day shipping. Friday, May 29

Medium Hook Pipe Tap, 3/8"-18, 4 Flutes, 80 mm L, High Speed SteelGenerally used for pipe fittings and couplings in most ferrous and non ferrous materials Medium hook for multi material tapping Straight flute NPT threads require the use of a sealant such as teflon tape or pipe compound to ensure a tight joint Recyclable packaging Specifications Material High Speed Steel Pipe Size 3 8" 18 No. Of Flutes 4 Overall Length 80 mm Manufacturing Standards ANSI B94. 9 Thread Form National Taper Pipe Thread Length 27 mm

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I bought these as a housewarming-style gift for my brother-in-law, who recently finished building an extension onto his home and finally has the space for a proper office. His family’s aesthetic leans heavily toward that cottage-meets-industrial look, and these brackets fit the brief perfectly. First impressions were excellent. The iron construction feels genuinely heavy-duty, and the machining and threading are better than I expected at this price point. The finish is a clean matte black that looks sharp without feeling overly glossy or cheap. Installation is straightforward if you’re comfortable with basic wall mounting. Because these are iron pipe components, you may find yourself making tiny adjustments with micro shims to get everything perfectly level depending on your wall and stud placement. That’s not a flaw so much as the nature of pipe-style systems. Once dialed in, though, they feel very solid. The scale is also worth mentioning. These are not subtle brackets—they’re a bit of a statement piece. That’s great if you want the shelving to become part of the room’s visual identity, but it’s something to be aware of when planning the space. One thing I actually appreciate is that they don’t include the wood shelves. Bundled wood usually drives up the cost and often isn’t the species or finish you’d want anyway. This way you can choose your own boards and tailor the look to the room—which is exactly what my brother-in-law ended up doing. Overall, a very well-executed industrial shelving system: sturdy, attractive, and surprisingly refined for the price.

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Reviewed in the United States on March 8, 2026

Verified Purchase

Michelle bullard

Los Angeles, US

★★★★★ 5

Stable and easy to assemble

I used these to support a heavy piece of countertop would to create a side table. Looks great and holds steady.

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Reviewed in the United States on February 15, 2023

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Charles Clerici