Hex insert nuts Fasteners are used for sheet applications where a drilled or tapped thread cannot be used for structural reasons. They come in an opened or closed end cold forged stainless steel, carbon steel, or alloy steel. This makes the nuts extremely durable even in hot and cold temperature extremes. They are used extensively in the automotive and electronic industry for designing high precision components. But their primary application lies in building sheet metal enclosures. They are preferred due to their high load bearing abilities without loosening with vibrations and small movements.
Stainless Steel
PART NUMBER INCH - STEEL THREAD SIZE GRIP RANGE GRIP RANGE L HD(A/F) HT D(A/F) IL Min. Max. ± .015 ± .010 ± .005 Max. Ref. FHK2-2520-138 1/4-20 UNC .039 .138 .673 .390 .016 .354 .469 FHK2-2520-236 1/4-20 UNC .138 .236 .772 .390 .016 .354 .469 FHK2-2520-335 1/4-20 UNC .236 .335 .870 .390 .016 .354 .469 FHK2-3118-157 5/16-18 UNC .031 .157 .787 .457 .016 .432 .535 FHK2-3118-276 5/16-18 UNC 0157 .276 .913 .457 .016 .432 .535 FHK2-3118-394 5/16-18 UNC .276 .394 1.039 .457 .016 .432 .535 FHK2-3716-177 3/8-16 UNC .039 .177 .955 .559 .025 .511 .689 FHK2-3716-295 3/8-16 UNC .177 .295 1.053 .559 .025 .511 .689 FHK2-3716-413 3/8-16 UNC .295 .413 1.191 .559 .025 .511 .689 FHK2-3716-177 1/2-13 UNC .039 .177 1.215 .734 .033 .656 .866
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