Te-Co, Inc. Datasheets for Locknuts

Locknuts are a type of prevailing-torque fastener that resists loosening under vibration and torque. They differ from standard nuts because they typically have friction-increasing bearing surfaces (e.g., pitted grooves on flanges) or special internal thread-geometries.
Locknuts: Learn more

Product Name	Notes
Heavy Hex Jam Nut: 1-8 Thread -- 42209 Heavy Hex Jam Nut: 1/2-13 Thread -- 42205 Heavy Hex Jam Nut: 1/4-20 Thread -- 42201 Heavy Hex Jam Nut: 3/4-10 Thread -- 42207 Heavy Hex Jam Nut: 3/8-16 Thread -- 42203 Heavy Hex Jam Nut: 5/16-18 Thread -- 42202 Heavy Hex Jam Nut: 5/8-11 Thread -- 42206 Heavy Hex Jam Nut: 7/16-14 Thread -- 42204 Heavy Hex Jam Nut: 7/8-9 Thread -- 42208	Product Information Black Oxide Finish Case Hardened High Grade Alloy Steel Will outlast ordinary Hex Jam Nuts when used in repetitive operations Standard package quantity: 25 pcs.

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