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Finished Hex Nuts |
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Description |
A six sided internally threaded fastener. |
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Grade 2 |
Applications: The most versatile and widely used nut design. Grade-2 nuts are for use with any low carbon bolt or screw that is not heat-treated, with a specified minimum tensile strength of 74,000 psi or less. Material: made from low carbon steel which conforms to the following chemical composition requirements—Carbon: 0.47% maximum; Phosphorus: 0.12% maximum; Sulfur: 0.23% maximum. |
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Grade 5 |
Applications : For use with bolts with a minimum tensile strength equal to or less than the specified proof stress of the nut. Material: AISI 1008 - 1026 or equivalent steel. |
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Grade 8 |
Applications: For use with bolts with a minimum tensile
strength equal to or less than Material: AISI 1021 - 1045 or equivalent steel. |
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Stainless Steel 18-8 & 316 |
Applications / Advantages : Designed for use with stainless steel bolts and screws. Both types of stainless are corrosion resistant with 316 stainless having greater such resistance as well as superior strength at raised temperatures.Material: 18-8: Nuts shall be made from one of the following austenitic alloys: 303, 303Se, 304, XM7, all of which are characterized as having a chromium content of 18% and nickel content of 8-10%.316: Nuts shall be made from 316 stainless steel, an austenitic alloy which differs from 18-8 by its molybdenum content (2-3%) and a higher nickel content (10-14%). |
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Heavy Hex Nuts |
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Description |
A six -sided internally threaded fastener which is both thicker and wider across the flats than a same-sized finished hex nut. |
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Applications / Advantages |
This is the strongest of all low carbon nuts and 18-8 stainless hex nuts because of its greater thread engagement and greater resistance to dilation. |
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Material |
Low Carbon Steel: Grades 5, 8, and structural specifications. Alloy ASTM A194 2HStainless Steel: Nuts shall be made from one of the following austenitic stainless alloys: 303, 303Se, XM7, ASTM A194 Grade 8 and 8M |
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Machine Screw Hex Nuts |
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Description |
A six -sided internally threaded fastener with flat tops and chamfered corners. Threads shall be Unified Standard, Class 2B. |
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Applications / Advantages |
Designed to be used specifically with machine screws. Stainless nuts are used with stainless machine screws where parts are subject to corrosive conditions.. |
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Material |
Low Carbon Steel: Any low carbon steelStainless Steel: 18-8 Stainless |
