The Hillman Group 3327 ¼-20 x 3/4-Inch Expansion Nut, 10-Pack, Black

The Hillman Group 3327 ¼-20 x 3/4-Inch Expansion Nut, 10-Pack , Black

The Hillman Group 3327 ¼-20 x 3/4-Inch Expansion Nut, 10-Pack, Black

An assortment of expansion/well nuts from The Hillman Group. Expansion nuts, or well nuts, consist of a flanged neoprene bushing with a threaded nut embedded in the non-flanged end. As the bolt is screwed into the nut, the rubber on the other side of the hole expands and seals the bolt hole. Variants included in this assortment range from #6-32 to 3/8"-16 in fine & coarse thread sizes. Full assortment contains twelve (12) refills comprised of Hillman item numbers #3319 - #3330. An expansion or well nut consists of a flanged neoprene bushing with a threaded nut embedded in the non flanged end. It is used in blind bolt holes to fasten a piece and seal the bolt hole. The nut is inserted into the hole flange side up, as the bolt is screwed into the nut the rubber on the other side of the hole expands and seals the bolt hole.

Key Features

• ✅ Used to seal bolt holes to prevent leaking
• ✅ Can be used in blind & closed-end holes
• ✅ Included variants range from #6-32 to 3/8"-16 in fine & coarse thread sizes
• ✅ Made of high-strength rubber & steel parts
• ✅ Corrosion resistance

✅ Color: Black

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