National Bolt & Nut Corporation 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
All Metal Hex Lock Nuts ALL METAL LOCK NUTS Dimensions per IFI-100/107 Crowned top Nylon inserts and Nuts with patches also available as an option on the Request for Information form. Other materials and finishes...
Coupling Nuts COUPLING NUTS Regular width across flats Commonly used with Threaded Rod Nylon inserts and Nuts with patches also available as an option on the information request form. Other materials and...
Heavy Hex Jam Nuts HEAVY HEX JAM NUTS Dimensions per ANSI B18.2.2 Nylon inserts and Nuts with patches also available as an option on the Request for Information form. Other materials and finishes available.
Heavy Hex Nuts HEAVY HEX NUTS As part of our premium line of hex nut products, National Bolt & Nut offers a wide range of heavy hex nuts in various grades, finishes, threads,...
Heavy Hex Slotted Nuts HEAVY HEX SLOTTED NUTS Dimensions per ANSI B18.2.2 Nylon inserts and Nuts with patches also available as an option on the Request for Information form. Other materials and finishes available.
Heavy Square Nuts HEAVY SQUARE NUTS Dimensions per ANSI B18.2.2 Nylon inserts and Nuts with patches also available as an option on the Request for Information form. Other materials and finishes available. For...
Hex Castle Nuts HEX CASTLE NUTS Top of hex corners removed for better Cotter Pin fit Nylon inserts and Nuts with patches also available as an option on the Request for Information form.
Hex Flange Nuts HEX FLANGE NUTS As part of our high-quality line of flange nut fasteners, National Bolt & Nut offers a variety of hex flange nuts that meet IFI-145 dimensions. Our hex...
Hex Hi Nuts HEX HI NUTS Dimensions per SAE J482 Additional sizes available Nylon inserts and Nuts with patches also available as an option on the Request for Information form. Other materials and...
Hex Jam Nuts HEX JAM NUTS As part of our premium line of hex nut products, National Bolt & Nut offers a series of hex jam nuts that meet ANSI B18.2.2 dimensional specifications.
Hex Thick Nuts HEX THICK NUTS Dimensions per ANSI B18.2.2 Nylon inserts and Nuts with patches also available as an option on the Request for Information form. Other materials and finishes available. For...
Metric All Metal Hex Lock Nuts METRIC ALL METAL LOCK NUTS Dimensions Per DIN 980 Nylon inserts and Nuts with patches also available as an option on the Request for Information form. Other materials and finishes...
Metric Hex Nuts METRIC HEX NUTS As part of our premium line of hex nut products, National Bolt & Nut offers metric hex nuts that can be constructed using a variety of materials.
Metric Hex Weld Nuts METRIC HEX WELD NUTS Dimensions per DIN 929 Three projection Piloted Nylon inserts and Nuts with patches also available as an option on the Request for Information form. Other materials...
Metric Serrated Flange Lock Nuts METRIC SERRATED FLANGE NUTS National Bolt & Nut's premium line of metric serrated flange nuts meet DIN 6923 dimensions with the addition of serrated teeth under flange. These metric serrated...
Nylon Insert Hex Lock Nuts -- NE Series N.E. SERIES NYLON INSERT LOCK NUTS Regular Style Nylon inserts and Nuts with patches also available as an option on the Request for Information form. Other materials and finishes available.
Nylon Insert Hex Lock Nuts -- NM Series N.M. SERIES NYLON INSERT LOCK NUTS Available in machine screw sizes Nylon inserts and Nuts with patches also available as an option on the Request for Information form. Other materials...
Nylon Insert Hex Jam Lock Nuts -- NTE Series N.T.E. SERIES NYLON INSERT LOCK NUTS Thin (Jam) Style Nylon inserts and Nuts with patches also available as an option on the Request for Information form. Other materials and finishes...
Nylon Insert Heavy Hex Jam Lock Nuts -- NTU Series N.T.U. SERIES NYLON INSERT LOCK NUTS Heavy hex thin (Jam) style Heat treated to Grade C (8) strength level Nylon inserts and Nuts with patches also available as an option...
Nylon Insert Heavy Hex Lock Nuts -- NU Series N.U. SERIES NYLON INSERT LOCK NUTS Heavy hex style Nylon inserts and Nuts with patches also available as an option on the Request for Information form. Other materials and finishes...
Plow Bolt Hex Nuts PLOW BOLT HEX NUTS Dimensions per ANSI B18.22.2 Through Hardened Nylon inserts and Nuts with patches also available as an option on the Request for Information form. Other materials and...
Serrated Flange Lock Nuts SERRATED FLANGE LOCK NUTS National Bolt & Nut possesses a premium line of high-quality serrated flange nuts. The serrated flange of these fasteners offer superior gripping capabilities. And, along with...
Slotted Hex Nuts SLOTTED HEX NUTS Dimensions per ANSI B18.2.2 Nylon inserts and Nuts with patches also available as an option on the Request for Information form. Other materials and finishes available. For...
Slotted Hex Jam Nuts SLOTTED JAM NUTS Standard jam nut thickness with addition of slots 43M line equivalent to Grade 5 material and strength Nylon inserts and Nuts with patches also available as an...
Square Nuts SQUARE NUTS Dimensions per ANSI B18.2.2 Nylon inserts and Nuts with patches also available as an option on the Request for Information form. Other materials and finishes available. For further...
Thick Hex Slotted Nuts THICK SLOTTED NUTS Dimensions per ANSI B18.2.2 Nylon inserts and Nuts with patches also available as an option on the Request for Information form. Other materials and finishes available. For...
Two Way Side Lock Nuts TWO WAY SIDE LOCK NUTS Standard nut thickness Side crimp Nylon inserts and Nuts with patches also available as an option on the Request for Information form. Other materials and...
Wheel Nuts WHEEL NUTS 60 degree, 90 degree, and Radiused face available Nylon inserts and Nuts with patches also available as an option on the Request for Information form. Other materials and...
Custom Nuts With the ability to produce a variety of nut styles, including, but not limited to, conical, coupling, finished hex, and serrated hex flange, National Bolt & Nut can manufacture our...