Lock Nuts
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Dorman®AutoGrade™ M5-0.80 mm Steel (Class 8) Metric Coarse Hex Lock Nut with Nylon Insert (30 Pieces) (878-305)AutoGrade™ M5-0.80 mm Steel (Class 8) Metric Coarse Hex Lock Nut with Nylon Insert (30 Pieces) (878-305) by Dorman®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...Durable materials - manufactured to specific thread tolerance standardsCorrosion tested - hardware undergoes salt spray testing to ensure corrosion resistance$8.71 - Dorman®AutoGrade™ M6-1.00 mm Steel (Class 8) Metric Coarse Hex Lock Nut with Nylon Insert (20 Pieces) (878-306)AutoGrade™ M6-1.00 mm Steel (Class 8) Metric Coarse Hex Lock Nut with Nylon Insert (20 Pieces) (878-306) by Dorman®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...Durable materials - manufactured to specific thread tolerance standardsCorrosion tested - hardware undergoes salt spray testing to ensure corrosion resistance$5.74
- Dorman®AutoGrade™ M6-1.00 mm Steel (Class 8) Zinc Plated Metric Hex Lock Nut with Nylon Insert (30 Pieces) (799-073)AutoGrade™ M6-1.00 mm Steel (Class 8) Zinc Plated Metric Hex Lock Nut with Nylon Insert (30 Pieces) (799-073) by Dorman®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...Tough, fuel and oil-resistant designConveniently packaged in a variety of piece counts to assist with both small and large projects$6.99
- Dorman®AutoGrade™ M7-1.00 mm Steel (Class 8) Metric Coarse Hex Lock Nut with Nylon Insert (18 Pieces) (878-307)AutoGrade™ M7-1.00 mm Steel (Class 8) Metric Coarse Hex Lock Nut with Nylon Insert (18 Pieces) (878-307) by Dorman®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...Durable materials - manufactured to specific thread tolerance standardsCorrosion tested - hardware undergoes salt spray testing to ensure corrosion resistance$6.82
- Dorman®AutoGrade™ M7-1.00 mm Steel (Class 8) Metric Coarse Hex Lock Nut with Nylon Insert (25 Pieces) (432-007)AutoGrade™ M7-1.00 mm Steel (Class 8) Metric Coarse Hex Lock Nut with Nylon Insert (25 Pieces) (432-007) by Dorman®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...Durable materials - manufactured to specific thread tolerance standardsCorrosion tested - hardware undergoes salt spray testing to ensure corrosion resistance$6.24
- Dorman®AutoGrade™ M8-1.00 mm Steel (Class 8) Metric Fine Hex Lock Nut with Nylon Insert (25 Pieces) (433-008)AutoGrade™ M8-1.00 mm Steel (Class 8) Metric Fine Hex Lock Nut with Nylon Insert (25 Pieces) (433-008) by Dorman®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...Durable materials - manufactured to specific thread tolerance standardsCorrosion tested - hardware undergoes salt spray testing to ensure corrosion resistance$14.29
- Dorman®AutoGrade™ M8-1.00 mm Steel (Class 8) Metric Fine Hex Lock Nut with Nylon Insert (8 Pieces) (878-408)AutoGrade™ M8-1.00 mm Steel (Class 8) Metric Fine Hex Lock Nut with Nylon Insert (8 Pieces) (878-408) by Dorman®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...Durable materials - manufactured to specific thread tolerance standardsCorrosion tested - hardware undergoes salt spray testing to ensure corrosion resistance$6.94
- Dorman®AutoGrade™ M8-1.25 mm Steel (Class 8) Metric Hex Prevailing Torque Lock Nut (20 Pieces) (432-108)AutoGrade™ M8-1.25 mm Steel (Class 8) Metric Hex Prevailing Torque Lock Nut (20 Pieces) (432-108) by Dorman®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology...Durable materials - manufactured to specific thread tolerance standardsCorrosion tested - hardware undergoes salt spray testing to ensure corrosion resistance$18.80
- Dorman®M10-1.25 mm Steel (Class 8) Metric Fine Hex Lock Nut with Nylon Insert (16 Pieces) (878-410BX)M10-1.25 mm Steel (Class 8) Metric Fine Hex Lock Nut with Nylon Insert (16 Pieces) (878-410BX) by Dorman®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and...Durable materials - manufactured to specific thread tolerance standardsCorrosion tested - hardware undergoes salt spray testing to ensure corrosion resistance$8.67
- Dorman®M10-1.25 mm Steel (Class 8) Metric Fine Hex Lock Nut with Nylon Ring Insert (3 Pieces) (784-777D)M10-1.25 mm Steel (Class 8) Metric Fine Hex Lock Nut with Nylon Ring Insert (3 Pieces) (784-777D) by Dorman®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and...Durable materials - manufactured to specific thread tolerance standardsCorrosion tested - hardware undergoes salt spray testing to ensure corrosion resistance$2.97
- Dorman®M10-1.50 mm Steel (Class 8) Metric Coarse Hex Lock Nut with Nylon Insert (16 Pieces) (878-310BX)M10-1.50 mm Steel (Class 8) Metric Coarse Hex Lock Nut with Nylon Insert (16 Pieces) (878-310BX) by Dorman®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and...Durable materials - manufactured to specific thread tolerance standardsCorrosion tested - hardware undergoes salt spray testing to ensure corrosion resistance$8.65
- Dorman®M12-1.25 mm Steel (Class 8) Metric Fine Hex Lock Nut with Nylon Ring Insert (2 Pieces) (784-779D)M12-1.25 mm Steel (Class 8) Metric Fine Hex Lock Nut with Nylon Ring Insert (2 Pieces) (784-779D) by Dorman®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and...Durable materials - manufactured to specific thread tolerance standardsCorrosion tested - hardware undergoes salt spray testing to ensure corrosion resistance$3.20
- Dorman®M12-1.50 mm Steel (Class 8) Metric Fine Hex Lock Nut with Nylon Insert (12 Pieces) (433-112BX)M12-1.50 mm Steel (Class 8) Metric Fine Hex Lock Nut with Nylon Insert (12 Pieces) (433-112BX) by Dorman®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and...Durable materials - manufactured to specific thread tolerance standardsCorrosion tested - hardware undergoes salt spray testing to ensure corrosion resistance$8.67
- Dorman®M12-1.75 mm Steel (Class 8) Metric Coarse Hex Lock Nut with Nylon Insert (12 Pieces) (878-312BX)M12-1.75 mm Steel (Class 8) Metric Coarse Hex Lock Nut with Nylon Insert (12 Pieces) (878-312BX) by Dorman®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and...Durable materials - manufactured to specific thread tolerance standardsCorrosion tested - hardware undergoes salt spray testing to ensure corrosion resistance$8.65
- Dorman®M14-1.50 mm Steel (Class 8) Metric Fine Hex Lock Nut with Nylon Insert (8 Pieces) (433-014BX)M14-1.50 mm Steel (Class 8) Metric Fine Hex Lock Nut with Nylon Insert (8 Pieces) (433-014BX) by Dorman®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...Durable materials - manufactured to specific thread tolerance standardsCorrosion tested - hardware undergoes salt spray testing to ensure corrosion resistance$8.67
- Dorman®M16-1.50 mm Steel (Class 8) Metric Fine Hex Lock Nut with Nylon Insert (10 Pieces) (433-016BX)M16-1.50 mm Steel (Class 8) Metric Fine Hex Lock Nut with Nylon Insert (10 Pieces) (433-016BX) by Dorman®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and...Durable materials - manufactured to specific thread tolerance standardsCorrosion tested - hardware undergoes salt spray testing to ensure corrosion resistance$8.65
- Dorman®M5-0.80 mm Steel (Class 8) Metric Coarse Hex Lock Nut with Nylon Insert (20 Pieces) (432-005BX)M5-0.80 mm Steel (Class 8) Metric Coarse Hex Lock Nut with Nylon Insert (20 Pieces) (432-005BX) by Dorman®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and...Durable materials - manufactured to specific thread tolerance standardsCorrosion tested - hardware undergoes salt spray testing to ensure corrosion resistance$8.65
- Dorman®M6-1.00 mm Steel (Class 8) Metric Coarse Hex Lock Nut with Nylon Insert (20 Pieces) (878-306BX)M6-1.00 mm Steel (Class 8) Metric Coarse Hex Lock Nut with Nylon Insert (20 Pieces) (878-306BX) by Dorman®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and...Durable materials - manufactured to specific thread tolerance standardsCorrosion tested - hardware undergoes salt spray testing to ensure corrosion resistance$8.67
- Dorman®M8-1.00 mm Steel (Class 8) Metric Fine Hex Lock Nut with Nylon Insert (16 Pieces) (433-008BX)M8-1.00 mm Steel (Class 8) Metric Fine Hex Lock Nut with Nylon Insert (16 Pieces) (433-008BX) by Dorman®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...Durable materials - manufactured to specific thread tolerance standardsCorrosion tested - hardware undergoes salt spray testing to ensure corrosion resistance$8.67
- Dorman®M8-1.25 mm Steel (Class 8) Metric Coarse Hex Lock Nut with Nylon Insert (16 Pieces) (878-308BX)M8-1.25 mm Steel (Class 8) Metric Coarse Hex Lock Nut with Nylon Insert (16 Pieces) (878-308BX) by Dorman®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and...Durable materials - manufactured to specific thread tolerance standardsCorrosion tested - hardware undergoes salt spray testing to ensure corrosion resistance$9.63
- ARP®#10-32 Steel Cadmium SAE Hex Self-Locking Nut (200-9101)#10-32 Steel Cadmium SAE Hex Self-Locking Nut by ARP®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...Designed to help to get your job done rightManufactured utilizing the highest quality materials$0.65
- ARP®1/2"-20 Stainless Steel SAE Nut with Nylon Insert (5 Pieces) (400-8767)1/2"-20 Stainless Steel SAE Nut with Nylon Insert (5 Pieces) (400-8767) by ARP®. These serrated hex nuts with flanged collars are available especially for carburetor, valve cover, front cover, oil pan studs and windage tray studs. Made...Precise manufacturing and high-grade materialsExceptional performance at a competitive price$8.81
- ARP®1/4"-20 Stainless Steel SAE Nut with Nylon Insert (5 Pieces) (400-8661)1/4"-20 Stainless Steel SAE Nut with Nylon Insert (5 Pieces) (400-8661) by ARP®. These serrated hex nuts with flanged collars are available especially for carburetor, valve cover, front cover, oil pan studs and windage tray studs. Made...Precise manufacturing and high-grade materialsExceptional performance at a competitive price$5.00
- ARP®1/4"-20 Steel SAE Nut with Nylon Insert (5 Pieces) (200-8661)1/4"-20 Steel SAE Nut with Nylon Insert (5 Pieces) (200-8661) by ARP®. These serrated hex nuts with flanged collars are available especially for carburetor, valve cover, front cover, oil pan studs and windage tray studs. Made from...Precise manufacturing and high-grade materialsExceptional performance at a competitive price$5.16
- ARP®3/8"-16 Stainless Steel SAE Nut with Nylon Insert (5 Pieces) (400-8664)3/8"-16 Stainless Steel SAE Nut with Nylon Insert (5 Pieces) (400-8664) by ARP®. These serrated hex nuts with flanged collars are available especially for carburetor, valve cover, front cover, oil pan studs and windage tray studs. Made...Precise manufacturing and high-grade materialsExceptional performance at a competitive price$5.80
- ARP®3/8"-24 Stainless Steel SAE Nut with Nylon Insert (5 Pieces) (400-8764)3/8"-24 Stainless Steel SAE Nut with Nylon Insert (5 Pieces) (400-8764) by ARP®. These serrated hex nuts with flanged collars are available especially for carburetor, valve cover, front cover, oil pan studs and windage tray studs. Made...Precise manufacturing and high-grade materialsExceptional performance at a competitive price$5.80
- ARP®5/16"-18 Stainless Steel SAE Nut with Nylon Insert (5 Pieces) (400-8652)5/16"-18 Stainless Steel SAE Nut with Nylon Insert (5 Pieces) (400-8652) by ARP®. These serrated hex nuts with flanged collars are available especially for carburetor, valve cover, front cover, oil pan studs and windage tray studs. Made...Precise manufacturing and high-grade materialsExceptional performance at a competitive price$6.29
- ARP®5/16"-18 Steel SAE Nut with Nylon Insert (5 Pieces) (400-8662)5/16"-18 Steel SAE Nut with Nylon Insert (5 Pieces) (400-8662) by ARP®. These serrated hex nuts with flanged collars are available especially for carburetor, valve cover, front cover, oil pan studs and windage tray studs. Made from...Precise manufacturing and high-grade materialsExceptional performance at a competitive price$5.07
- ARP®7/16"-20 Stainless Steel SAE Nut with Nylon Insert (5 Pieces) (400-8766)7/16"-20 Stainless Steel SAE Nut with Nylon Insert (5 Pieces) (400-8766) by ARP®. These serrated hex nuts with flanged collars are available especially for carburetor, valve cover, front cover, oil pan studs and windage tray studs. Made...Precise manufacturing and high-grade materialsExceptional performance at a competitive price$7.29
- AllStar Performance®1/2"-13 SAE Mechanical Lock Nut (10 Pieces) (ALL16034-10)1/2"-13 SAE Mechanical Lock Nut (10 Pieces) (ALL16034-10) by AllStar Performance®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of...Precise manufacturing and high-grade materialsExceptional performance at a competitive price$4.99
There are various kinds of equipment that contains bolted joints. The range of respective applications is wide and includes transportation, manufacturing, power generation, and more. In these joints, lock nuts provide a clamping force to hold the components of the joint and, correspondingly, the parts of equipment together. However, there are various factors that can weaken this clamping force. They include an under-tightened bolt, equipment vibrations, embedding of the nut into the joint surface on a micro level, and mechanical shocks caused by varying loads from certain kinds of machinery.
The resulting loosening is not just an unpleasant occurrence. It may lead to multiple malfunctions such as the leaks of gas or fluid, bolt’s breakage, or other kinds of damage which can harm the equipment and even lead to accidents. Therefore, you should make sure that your machine and its components are in perfect working order, and even such small parts as lock nuts are of proper quality. You can obtain reliable lock nuts in our store. Our range covers a variety of purposes; you can select spin lock nuts, mechanical lock nuts, and nylon inserts. Made from exceptionally durable materials, our products feature superior corrosion resistance, practicality, and overall quality.
